report on computer systems new

8/17/2019 Report on Computer Systems New

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Computer systems

Syed Fayyaz Ahmed Shah [email protected] .COLG

Report on computer systemsputer systems

Computer systems

mailto:[email protected]:[email protected]


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Computer systems

ContentsLearning outcome one.............................................................................................................6

Task one..................................................................................................................................6

1.1 Explain the role of computer systems in different environments...................................6What is computer.....................................................................................................................6

Types of computer...................................................................................................................6

nalog computers....................................................................................................................6

Example!..............................................................................................................................6

"igital computers.....................................................................................................................6

Examples!............................................................................................................................#

$y%rid computers....................................................................................................................#

Example!..............................................................................................................................#Role of computer systems in different environments!.............................................................#

&ses of computer at home!.....................................................................................................#

$ome %udget.................................................................................................................#

Working from home.......................................................................................................#

Entertainment................................................................................................................#

&ses of Computer in Education...............................................................................................'

Computer ided Learning..............................................................................................'

(nline Education...........................................................................................................' (nline Examination.......................................................................................................'

&ses of computer in industry...................................................................................................'

&se of computer in ir line system..........................................................................................'

&ses of computer in %usiness.................................................................................................'

)arketing.......................................................................................................................'

*tock exchange.............................................................................................................'

+anks.............................................................................................................................,

Task t-o 1..............................................................................................................................,

Explain the function of Computer $ard-are Components such as C/&0 )emory unit0*torage unit0 nput and (utput units........................................................................................,

2unctions of computer hard-are components........................................................................,

*ystem unit!.........................................................................................................................,

)other %oard!.....................................................................................................................13

+us.........................................................................................................................................13

R) 4Random access memory5............................................................................................11

Types of R)........................................................................................................................11"R) 4"ynamic Random ccess5........................................................................................11




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*R) 4*tatic Random ccess memory5...............................................................................11

)R) 4)agnetoresistive Random ccess memory5............................................................11

R() 4Read (nly )emory5....................................................................................................1

Types of R()........................................................................................................................1/R() 4/rogramma%le Read (nly )emory5........................................................................1

E/R() 4Erasa%le /rogramma%le Read (nly )emory5.......................................................1

EE/R() 4Electronically Erasa%le /rogramma%le Read (nly )emory5..............................1

C/& 4Central /rocessing &nit5..............................................................................................1

"ualcore processor..............................................................................................................17

8uadcore processor.............................................................................................................17

L& 4rithmetic and logic unit5..............................................................................................17

rithmetic unit........................................................................................................................17Logic unit...............................................................................................................................17

Control unit............................................................................................................................17

nput devices..........................................................................................................................19

:ey%oard...............................................................................................................................19

/ointing devices....................................................................................................................19

)ouse....................................................................................................................................19

Track %all...............................................................................................................................19

Touch pad;track pad..............................................................................................................19ectors......................................................................................................................16

Types of data pro>ectors.....................................................................................................16

*peakers ? headsets............................................................................................................1#




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Task 1.7.................................................................................................................................1#

*(2TWRE...........................................................................................................................1#

Types of computer soft-are@s................................................................................................1#

*ystem soft-are....................................................................................................................1#Types of system soft-are......................................................................................................1'

(perating system..................................................................................................................1'

&tility programs......................................................................................................................1'

pplication soft-are..............................................................................................................1'

Examples...............................................................................................................................1'

Task 1.9.................................................................................................................................1'

Learning outcome t-o...........................................................................................................1,

Task .1.................................................................................................................................1,RE/(RT................................................................................................................................1,

Comparison of +oth "evices or Laptop With respect to *pecification!.............................3

C(ACL&*(A!..................................................................................................................1

Conclusion!........................................................................................................................1

Task ..................................................................................................................................1


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*ecurity /recautions!.........................................................................................................=

Task 7...............................................................................................................................=

*tep 11 (+TA / ""RE** !........................................................................................'

*tep 1 T-o Circumstances When CL is )ore Efficient Than &D...............................'*tep 17 Creating a /rofile With /ersonalied *etting!......................................................,

*tep 19 Test the Configuration!.........................................................................................,

*tep 1= ! "(C&)EATT(A (2 TE*T /LA !............................................................73

Testing The 2unctionality (f Computer !...........................................................................71

Learning outcome 9...............................................................................................................79

Task 9.1.................................................................................................................................79

"isk Clean&p !..................................................................................................................7=

Task ....................................................................................................................................7#




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Learning outcome one

Task one

1.1 Explain the role of computer systems in differentenvironments.

What is computer Computer is an electronic machine used tosolve different pro%lems according to set of instructions

given to it. computer can accept dataF process data intouseful information store it for later use. The -ordcomputer is derived from compute that means tocalculate. Computer can %e used as a calculating machineto produce results at a very high speed. $o-ever calculation is not the only use of computer. t can %e usedfor different purposes. /eople use computer to solvedifferent pro%lems Guickly and easily. t has changed the-ay of life.

Types of computerAnalog computers

Digital computers

y!rid computers

Analog computers n analog computer recognies data as continuous measurement ofphysical property. Boltage0 pressure0 speed and temperature are some physical properties that can%e measured in this -ay. ts output is usually displayed on a meter or a graph. t does not operate-ith digital signals. t has lo- memory and fe-er functions. t is difficult to operate and use it isusually %uilt for special purposes. t is mainly used in engineering and medicine.

Example" *peedo meter is used to measure the speed of the car.

nalog clock measures time %y the distance traveled %y hands of clock around a

dial. Thermometer is an analog device that measures the length of mercury column.




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Digital computers digital computer processes data in numerical form using digital circuits. tperforms arithmetic and logic operations -ith discrete values. These values are 3 and 1. Everythingis descri%ed in t-o states of on and off. The digit 1 represents (A and digit represents (22 state.The digital computers are very fast. These computers are manufactured in a variety of sies0 speedsand capacities. "igital computers are commonly used at homes and in offices etc. apple )acintoshand +) /C are t-o important digital computers.

Examples" "igital displays the time that does not vary continuously %ut changes from one

discrete value to the other. "igital score %oard directly counts discrete values such as the time left to play and

the score of each team.

y!rid computers hy%rid computer is a com%ination of %oth analog and digital computer.

hy%rid computer com%ines the %est characteristics@ of %oth the analog and digital computer. t canaccept data in analog and digital form.

Example" $y%rid computer devices may calculate patients heart functions0 temperature 0 %lood0pressure and other signs0 this measurement may %e covered into num%ers and digital form.

#ole of computer systems in different environments"

$ses of computer at home"

ome !udgetComputer can %e used to manage the home %udget. Hou can easily calculate

your expenses and income. Hou can list all expenses in one column and income in another column.

Then you can apply any calculation on these columns to plan your home %udget.

Working from home /eople can manage the office -ork at home. The o-ner of a company can checkthe -ork of employees from home. $e can control his office -hile sitting at home.

Entertainment/eople can find entertainment on the internet. Hou can -atch movies0 hear songs

and do-nload different stuff. Hou can also -atch0 live matches on the internet.




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$ses of Computer in Education

Computer Aided Learning Computer aided learning is the process of using information technology to helpteaching and enhance learning process. The use of computer can reduce the time that is spent onpreparing teaching material. t can also reduce the administrative load and of teaching research.

%nline Education )any -e%sites provide online education. Hou can do-nload educationalmaterial0 %ooks and tutorials -ithout going outside. *ome universities provide online lectures for thestudents. *tudent can ask Guestions and discuss pro%lem %y sending emails and group chats.

%nline Examination The trends of online examinations are %ecoming popular. "ifferent

examinations like RE0 )T0 AT* and *T are conducted online all over the -orld. The Guestionsare marked %y computer. t minimies the chance of mistakes. t also ena%les to announce theresult in time.

$ses of computer in industryComputers are used in different types of systems. Ro%ots are used to control many

complex tasks. ro%ot is an automatic programma%le machine. t moves and performs mechanicaltasks. t is used in different applications.

$se of computer in Air line system Computers are used in airline systems to control aircrafts an vehicles. The modernaircrafts are controlled %y sending electronic signals to different parts of the air craft. Computer isem%edded in the pilot@s control. The pilot can interact -ith the control room on different airportsduring his flight. Computer is also used in air line systems for the reservation of seats for thecustomers. t is used to provide the information a%out different flights etc.

$ses of computer in !usiness The use of computer technology in %usiness provides many facilities. +usinessmen areusing computer to interact -ith their customers any -here in the -orld. )any %usiness tasks are

performed more Guickly and efficiently. Computers also help them to reduce the overall cost of their

%usiness. Computer can %e used in %usiness as follo-s.

&arketing %usiness organiation can use computers for marketing their products. )arketing

applications provide information a%out the products to customers. Computer is also used to managethe distri%ution system0 advertising and selling activities. t can also %e used in deciding pricingstrategies.

'tock exchange *tock exchange is the most important place of %usinessmen. )any stock

exchanges uses computer to conduct %ids. The stock %rokers perform all trading activities




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electronically. They connect -ith computer -here %rokers match the %uyers -ith sellers. t reducescost as no paper or special %uilding is reGuired to conduct these activities.

(anksThe use of computers in %anks has provided many %enefits. t saves time and

provides convenience for customer. )any %anks provide the facility of automated teller machine. T) is used to -ith dra- cash from machine. +anks provide the credit cards that can %e used topurchase different items using the internet. +anks use computers to maintain customer accounts.The transactions are handled easily and Guickly -ith computeried systems.

Task t)o 1.*

Explain the function of Computer ard)are Components such asC+$, &emory unit, 'torage unit, -nput and %utput units.

unctions of computer hard)are components

'ystem unit"*ystem unit is a %ox that contains different electronic components of computer used to processdata. The electronic components in the system unit are connected to mother%oard. ll computersystems have a system unit. system unit is made of plastic or metal to protect the componentsinside it. )ost storage devices 0 memory processor0 cards ports and connectors reside inside the

system unit. (ther devices like key%oard0 mouse0 speakers and printers reside outside the

system unit.




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&other !oard" )other%oard is also called system %oard or main %oard. t is the the most importantcircuit %oard in system unit. t is a communication medium for the entire computer system. ll

components or device of the computer are connected to mother %oard. The mother%oard containsdifferent chips. chip is a small semiconductor that contains integrated circuits on it. n integratedcircuits C is a microscopic path that carries electrical current. n ic may contain millions oftransistors. transistor -orks as an electronic gate that opens or closes the circuit for electronicsignals.

(us"To send data to any of the other mother%oard componentsa -rite operationthe microprocessor0 oranother component0 raises the voltages of a com%ination of 9 of the traces that make up theaddress %us. This com%ination of traces0 or lines0 is the uniGue address of something on the internal%us0 such as a location in memoryF one of the components located on the mother%oard itself0 suchas expansion cards inserted in the %oardIs addin slotsF or a device0 such as a disk drive on theexternal %us0 alsocalled the expansion %us. The processor puts the data it -ants to -rite on a %ank of electricaltraces0 the data %us0 %y raising the voltages on some to represent ones and leaving voltagesunchanged on others torepresent eros. (ther linesare used to pass controlsignals for common specificcommands0 such as read and-rite commands for memoryand each input;output device.




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#A& /#andom access memory0 R) stands for random access memory. t is also called direct access memory.Random access means that each individual %yte in entire memory can %e accessed directly. R) isused to store data and instruction temporarily. program must %e loaded into R) %eforeexecution. R) is a volatile memory. t means that its contents are lost -hen the po-er iss-itched off. t is a read;-rite memory. C/& can read data from R() and -rite data on R). t isused to store data and instruction. While it is %eing executed. R) is also called main memory orprimary storage. R) plays an important role in the processing speed of computer. %iggerR) sie provides larger amount of space for processing. *o the processing speed is increased.The amount of data that can %e stored in R) is measured in %ytes. )ost desktop computerstypically have up to + of R). t also allo-s the addition of memory if needed.

Types of #A&

D#A& /Dynamic #andom Access0 "R) stands for dynamic access memory. it is used in most of the computers. t is theleast expensive kind of R). it reGuires an electric current to maintain its electrical state. Theelectrical charge of "R) decreases -ith the time that may result in loss of data. "R) isrecharged or refreshed again and again to maintain its data. The processor cannot access the dataof "R) -hen it is %eing refreshed. That is -hy it is slo-.

'#A& /'tatic #andom Access memory0 *R) stands for static random access memory. t can store data -ith out any need offreGuent recharging. C/& doesnot need to -eight to access data from *R) during processing.

That is -hy it is faster then "R). t utilies less po-er then"R). *R) is more expensive. t is normally used to %uild

a very fast memory kno-n as cashe memory.

A& /&agnetoresistive #andom Accessmemory0 )R) stands for )agnetoresistive Random ccessmemory. t sores data using magnetic charges instead of electric charges . )R) uses far less po-er then other R)technologies so it is ideal for porta%le devices. t also has alsogreater storage capacity. t has faster access times then R).it retrains its contents -hen the po-er is removed from computer.

#%& /#ead %nly &emory0 R() stands for read only memory. The instruction in R() prepare the computer for use0these instructions can only %e read %ut cannot %e changed or deleted. t is not possi%le to -rite ne-information or instructions into the R(). R() stores data and instruction. -hen the po-er is s-itched off0 the instruction stored inR() are not lost. Therefore R() is called nonvolatile memory.

The information in R() is stored %y manufacturer. When the computer is s-itched on0the instructions in the R() are automatically loaded into the memory of the computer. R()




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contains a small set of instructions called R() +(*.+(* stands for %asic input output system.These instruction tell the computer ho- to access the hard disk0 find operating system and load in itR).

Types of #%&

+#%& /+rogramma!le #ead %nly &emory0 /R() stands for /rogramma%le Read (nly )emory. This form of R() is initially%lank. The user or manufacturer can -rite data and programs on it using special devices. The usercan -rite data and instruction on it only once. f there is any error in -riting the instructions0 the error cannot %e removed from /R(). The chip %ecomes unsa%le.

E+#%& /Erasa!le +rogramma!le #ead %nly &emory0 E/R() stands for Erasa%le /rogramma%le Read (nly )emory. This form of R() isinitially %lank. The user or manufacturer can -rite data and programs on it using using specialdevices. The data and programs -ritten on it can %e erased -ith special devices using ultravioletrays. The user then can -rite ne- program on it.

EE+#%& /Electronically Erasa!le +rogramma!le #ead %nly &emory0 EE/R() stands for Electronically Erasa%le /rogramma%le Read (nly )emory. n thismemory0 user can erase and -rite instructions -ith the help of electrical pulses. f there is any errorin -riting the instructions0 the user can erase the content electronically. The contents of EE/R()can %e modified easily.

C+$ /Central +rocessing $nit0 C/& stands for central processing unit. t is the %rain of computer. t is the most important partcomponent of a computer. t is also called processor. a computer cannot -ork -ithout C/&. llcomputers must have a central processing unit.

C/& is located on the mother %oard. t carries out most of the -ork of acomputer. C/& performs all operations on data according to the given instructions. t executesinstructions and tells other parts of computer -hat to do. )ost of the -ork consists of calculations

and data transfer. ll functions of processor usually are on a single chip in personal computer. Themanufacturers of processor chip also are also providing multi core processors. single chip thatcontains t-o or more separate processors is kno-n as multicore processor.

Dualcore processor dual core processor is a chip that containst-o separate processors.




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2uadcore processor Guadcore processor is a chip that contains four main separate processors.

C/& consists of t-o main units kno-n as arithmetic ? logical unit and control unit. Thesecomponents -ork together to perform processing operations.

AL$ /Arithmetic and logic unit0 L& is a part of C/&. ctual execution of instructions takes place in this part. ll arithmeticand logical operations are performed in L&. t consist of t-o main parts!

Arithmetic unit.

Logic unit.

Arithmetic unit rithmetic unit of L& performs %asic arithmetic function such as addition0 su%traction0multiplication and division.

Logic unit Logic unit of L& performs logical operations like comparing t-o data items to find -hichdata items is greater than0 eGual to0 or less than the other.

Control unit

Control unit is an important part of C/&. t acts like a supervisor of the computer. t does notexecute program instruction %y itself. t controls and coordinates all activities of computer system. tperforms this task %y issuing necessary commands to different components of computer system.Control unit also provides clock pulses that are used to regulate and control all operations in

computer system. mportant operation performed %y control unit t fetches instruction from main memory.

t interprets the instruction to find -hat operation is to %e performed0

t controls the execution of instruction.

-nput devices n input device is a hard-are component that is used to enter data and instruction into acomputer. List of input devices are given %elo-.




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3ey!oard:ey%oard is the most commonly used input device. "ata is mostly entered using a key %oard.

The %uttons on the key %oard are called keys.a key %oard contains over 133 keys. The arrangementof keys on key%oard is called its layout. The most popular key%oard layouts are 8WERTH and"B(R:.

+ointing devices n input device used to control a pointer on the screen is called a pointing device. pointer is asmall sym%ol that appears on the screen in graphical user interface.

&ouse)ouse is a popular pointing device. t is used to input instructions -ith a pointer on the

screen. )ouse is moved on a flat surface to control the movement of the cursor or pointer on thescreen. mouse usually has t-o or three %uttons. These %uttons are used to perform different taskssuch as selecting an o%>ect or opening a program etc.it may also include a -heel to scroll throughlong documents.

Track !all track %all can %e used as an alternative to a mouse. This device has %uttons similar to thoseon mouse. t has a large rotating %all on the top. The %ody of the track %all is not moved. The %all isrolled -ith fingers. The position of the cursor on the screen is controlled %y rotating the %all.

n advantage of the track %all is that it takes less space to move then mouse. Track%alls areoften included in laptop computers. They can also %e used as separate input devices -ith standarddesktop computers.

Touch pad4track pad touchpad is a small0 flat surface over -hich the user moves his finger. The movement ofthe finger moves the cursor on the screen. t is also kno-n as track pad. touch pad also has one or more %uttons near it. These %uttons -ork like mouse %uttons.Touch pads normally used -ith note%ook computers.

5oystick >oystick consists of a %ase and a stick. The stick can %e moved in any direction to move an

o%>ect on the screen any -here. >oy stick can perform similar function to a mouse or track %all. t isoften consider less comforta%le and efficient. The most common use of a >oystick is for playing computer games some of the latest >oystickssuch as Logitech freedom .9 are -ireless.




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&icrophone)icrophone is an input device to digitally record audio data such as human voice. t can %e

plugged into a computer or recorder. )any soft-are applications can accept data -ith microphone.t ena%le a user to input text and issue commands orally. The soft-are into the computer convertsthe sound -aves into digital form. t is then stored in memory and used according to thereGuirement.

Digital camera "igital camera is an input device. t stores images digitally in its memory rather than recordingon film. The pictures taken -ith a digital camera can %e transferred to computer system. )anydigital cameras allo- the user to edit the images. The num%er of digital photos depends on theamount of memory in camera0the main advantage of the digital cameras is that making photos isinexpensive and fast . it does not reGuire any film processing.

)ost digital cameras store images in internal flash memory. They can also store additionalimages on mo%ile storage media like flash memory cards0 memory sticks and mini disks etc. digitalcameras can %e connected to a computer easily through &*+ port.

We! cams We% cam is also called pc video camera. t is a type of digital video camera that can %e usedfor the follo-ing purposes.

Capture video and still images

*end emails -ith video attachments

dd live images over the internet

)ake video phone calls on the internet etc.We%cams are normally placed on the top of the monitor. *ome note%ook computer have %uilt in -e%cams. We% cams can %e attached to the computer through &*+ port or fireWire port. *omecameras are porta%le and can %e detached easily.

'canners*canner read data or information from a source. This source could %e -ritten document0 a

price tag0 a graphic image0 or even a photograph. scanning device reads the data or information

and then converts it in to form that system unit can process. T-o types of scanning devices areoptical scanner and optical readers.

%utput devices The hard-are components that are used to retrieve the information from the computer arecalled output devices. (utput devices take information from the computer and convert it in a formthat is understanda%le %y the users.




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Common output devices"

+rinters printer is an output device that prints characters0 sym%ols and graphics on paper. Theprinted output is called hardcopy. /rint resolution is commonly measured in dots per inch4"/5.

Types of printers -mpact printers

6on impact printers

+lotter plotter is an output device that is used to produce image Guality graphics in a variety of

colors. /lotters are used to create map0 architectural dra-ings0 graphs and charts. plotter -orks%y dra-ing lines on paper using pens held in a mechanical arm.

Types of plotters lat!ed plotter

Drum plotters

&onitor)onitor is the most common output device. t is also kno-n as display or screen. The output

displayed %y monitor is called softcopy. monitor looks like television and it displays text andgraphics. The user looks at monitor -hile performing different tasks such as typing and issuing

different commands.

Types of monitors Cathode ray tu!e

lat panel monitors

Li7uid crystal display

Data pro8ectors "ata pro>ector is an output device that pro>ects the output of computer screen onto a larger

screen. The output pro>ected %y data pro>ector can %e vie-ed %y a num%er of people very clearly."ata pro>ectors are used in classes to deliver lectures to many students etc.

Types of data pro8ectors LCD pro8ector

DL+ pro8ector

'peakers 9 headsets *ome devices produce audio output. These devices produce music0 speech or other

sounds like %eep etc..speakers and headsets are t-o commonly used audio output devices.




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)any personal computers have internal speakers. The Guality of internal speakers is not veryhigh. *ophisticated stereo speakers are used for high Guality output .some monitors also containspeakers on their sides. device called -oofer or su% -oofer is used to %oost the lo- %ass sounds. ny person sitting near the computer can hear the audio output produced %y speakers.t may create distur%ance for others. $eadsets are also used to produce audio output. +ut only the

person using headset can hear this sound.

Task 1.:Explain -hat function different *oft-are 4system and application5 perform in a computer system.

'%TWA#E set of instructions given to the computer to solve a pro%lem is called soft-are. *oft-are isalso kno-n as program. "ifferent soft-are@s are used to solve different programs. computer

soft-are specifies a seGuence of operations to %e performed %y computer. computer -orksaccording to the instructions -ritten in the soft-are.

Types of computer soft)are;s 'ystem soft)are

Application soft)are

'ystem soft)are*ystem soft-are is set of programs to control and manage the actual operations of a

computer hard-are. t controls the usage and allocation of different computer hard-arecomponents. t ena%les application program to execute properly. t controls the %asic operations asfollo-sF

'aving data on disk

&aking computer to )ork for us

+rinting a document




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Types of system soft)are

%perating system n operating system is a set of programs that manages all computer components andoperations. computer cannot do anything -ithout operating system. (perating system must %einstalled on every computer. &sers interact -ith the computer through operating system. )icrosoft

-indo-s and Linux are examples of operating system soft-are.

$tility programs utility program is a type of system soft-are that is used for effective management of

computer system. The user can use utility programs to perform maintenance tasks related todifferent devices and programs. The utility programs keep the computer system running smoothly. ntivirus and file compression is the example.

Application soft)are pplication soft-are is used to perform various applications on the computer. t helps acomputer user to perform specific tasks. /eople use application soft-are according to the needs.itis also kno-n as application package. The application soft-are uses operating systems in order tofunction.it runs on the top of operating system.

Examples

Word processor such as )* -ord *pread sheet such as ms excel and lotus

"ata%ase soft-are such as )s access and oracle etc

raphics soft-are such as Corel

dra- and ado%e /hotoshop etc.

Task 1.<Compare different types of computer systems

&icrocomputer &inicomputer &ainframecomputer t -as introduce in 1,#3 t -as introduce in 1,63 t -as introduced in 1,#=

t generally consist of oneprocessor

t generally consists of t-o or more processors

t generally consists of multipleprocessors

t speed is less then mini andmainframe computers ts speed is more than microcomputer and less thanmainframe computer

ts speed is more than microand mini computer




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ts storage capacity is in + ts storage capacity is in T+ ts capacity is in T+

t can normally used %y oneperson

t can serve several hundredusers at a time

t can serve several thousandusers at a time

ts price is several hundred toseveral thousand dollars

ts price is several thousand tomillion dollars

ts price is several thousand tomillion dollars

t is used at homes0 offices0and educational institutes.

t is used %y small and mediumorganiations

t is used %y largeorganiations@ like %anks.

Examples are +)pc and pple )acintosh

Examples are $/. Examples are +) s7,3 andAEC

ts sie is small ts sie is %igger than microcomputer

t sie is %igger than micro andmini computer

Learning outcome t)o

Task *.1/roduce a system design specification of a fullyfunctional electronic office of a ne-ly esta%lishedsmall %usiness 4can %e of any type e.g. retail store0 T company0 etc5. Hou can assume factors suchas the purpose of the %usiness0 num%er of employees0 hard-are and soft-are reGuirements0%udget0 ho- many years technology -ill %e sufficient0 etc

#E+%#T(n the +ehalf of Technical *taff in my organiation. am -riting a report for the /ossi%leReplacement of "evices &sed 2or We% "esigning %ecause they are not compati%le.

Title +age

Ackno)ledgements Content -ntroduction indings Conclusion

AC36%WLED=E&E6T' " -ill thank the College *upervisor and Technical *taff for the Balua%le advice and support he has




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Computer systems

given me in -riting of this report and my 2amily 2or iving )e *uch a huge *upport in Each andevery step of my Life.

C%6TE6T' " J We $ave an $p /ro%ook 9=3s -ith 1 + Ram0 '3 + $ard "isk0 and ntel Core i7 processor.J This device is %eing used and is not meeting our reGuirement for designing high -e% application.

J +uying a ne- device is the solution of our pro%lem.

-6T#%D$CT-%6" We $ave To "esign our We% %y &ploading $igh raphics Bideo0 Which Will /lease (ur Clients andWill )ake a +ig mark on (ur +usiness +ut -hen -e started the -ork -e ackno-ledge that thehard-are compati%le for this task is not availa%le and availa%le hard-ares have not the strength tosupport raphics soft-are@s reGuired0 so in order to achieve our target -e have to choose thecompati%le Computer -ith Compati%le $ard-are -hich -ill help us.

-6D-6=' " fter searching -e have Concluded devices of different Companies Which Can meet the2ollo-ing ReGuirement (f raphic "esigner !

* Scee! Re"#$%&'#!* N('d'a Ga)h'c cad * Ram* P#ce""# * %'$&-'!-camea

S#+&,ae Name" a!d Thee Re%'eme!&"

S#+&,a e

e/ De"'!P#+e""'#!a$

2!&%'& e/"'&eCea

e/ S&%d'# 5

O)ea&' ! Sy"&em

Windo-s # 0 )ac Windo-s K/ 0)ac Windo-s #0mac

Had d'"

Aeeds 1+ free space Aeeds =1)+ 2ree*pace

Aeeds '33)+ free*pace

Ga)h' c cad

Avidia -ith 1% )emory Avidia With g% )emory Avidia -ith =1 m%

P#ce""#

Core i7 intel ntel core i7 processor or

intel core duo.

intel i7 and Core duo minimum

Ram &p to g% )inimum &p to 1g% minimum &p to g% minimum

Comparison of (oth Devices or Laptop With respect to

'pecification"




22/40

Computer systems

C%6CL$'-%6" Ao- +y Comparison -e $ave Concluded That pple )ac +ook ir are meeting all the reGuirementof soft-are and it is *uita%le With respect to /rice and Relia%ility.

#ECC%&A6DAT-%6" fter Completing all The /rocess and 2indings. have Recommend pple )ac +ook ir is The +est"evice Which Will 2ulfil (ur Aeed and t Will +e /erfectmatch 2or We% "esigning. ts /rice is*uita%le and its *pecification is ood Enough.

Conclusion" We $ave selected a *uita%le "evices -ith respect to its *pecification and *oft-arereGuirements. n other -ords -e have )apped these "evices.

Task *.*!


a!d Le!#(# Th'!Pad 540 A))$e ac ## A'

2mae

O)ea&'! Sy"&em

Windo-s # Windo-s #

P#ce""# intel Core "uo intel Core i7

Ram 9 % ""R 7 9 % ""R7

D'")$ay 1=.6@@ $" 41766 x #6'5 LE" $" 1=.6 @ @ LE" 41766 x #6'5 $"

a&&ey P#,e

&p to hours

&p to = hours

Ga)h'c Cad

Avidia 1333) 8uadro raphics -ithg% ""R 7 )emory *hared.

ntel $" graphics 7333 /rocessor

-ith ""R 7 *"R) *hared With

)ain )emory ntel $" raphics.

%'$&-'!Camea

$" #3p Resolution0 -ider Bie-angle0 Lo- Light sensitive0 2ixedfocus.

+uiltin 2ace time CameraResolution! =63 x 1633.

P'ce *,*1>? 111@?



23/40

Computer systems

&sing appropriate criteria0 evaluate the suita%ility of the system design specification developed inthe a%ove task1.

5ustification of (oth Devices ard)are;s With respect to its Advantages andDisadvantages"

Apple &ac (ook air"

ADA6TA=E' D-'ADA6TA=E'1.ts is vaila%le easily Every-here 1.Ao *" Card *lot

. tIs Bery 2ast and Relia%le. .its $ard-are are Aot replacea%le

7.*upports all Type (f Windo-s 7. They are a little Complicated.

9. Bery Light-eight Laptop easy to$andle and ts /orta%ility isunGuestiona%le.

=. ts +attery Timing are Bery fine andyou can &se laptop 2or *everal$ours -hen u is (ut (f Hour (ffice.

6. ts "isplay is )ost *uperior inlaptops u has ever &sed.

#. The )ost *ignificant feature (f This laptop s its Reasona%le /riceWith respect to its *pecs and itsduration of -arranty claim.

Lenovo Think +ad W>*B"

ADA6T=E' D-'ADA6TA=E'1. t is vaila%le easily every -here.. ts s Bery ood With respect to /erformance.7. ts *upports all The (perating *ystems.9. t is 2ull $".=.t is vaila%le in %oth types ! desktop type andlaptop

1. t is very Expensive.. ts s unrelia%le -ith respect to its hard-are7.ts +attery timings are lo- as he compared toother laptops.9. ts -arranty is not promising.

fter looking at the advantages and disadvantages -e can see that pple )ac%ook air completely >ustify my recommendation.

Conclusion !We have Concluded that -hy -e $ave *elected theseT-o "evices %y -ritingthere advantages and dis advantages




24/40

Computer systems

Learning outcome three

Task :.1 4a5 *ho- "isassem%ly and ssem%ly of a computer system. The process should include installingdifferent components including processor0 R)0 po-er supply unit0 hard disc drive0 optical drive0graphics card0 net-ork card0 printer0 and camera.

4%5 *ho- the installation of (perating *ystem 4Windo-s Kp0 Bista or #5 and pplication *oft-are4e.g. )* (ffice any version5. lso0 sho- ho- to configure desktop0 create a ne- user and assignpass-ord0 and add printer in Windo-s 4Kp0 Bista0 or #5.

We have to !uild a computer and configure -t. (y using Different techni7ues to improve ourpractical skills

According To the =iven 'cenario )e have To Design a Computer for receptionist Desk. 6o)or Designing a #eceptionist Computer first of all We need To 3no) What is the (asicComputer $se of a #eceptionist are "

'TE+ 1"What #eceptionist Do

Sa('! 6"e+%$ Da&a

Se!d'! 7ma'$8 a'! Sched%$e +# ee&'!" a!d A))#'!&me!&. a'! Had C#)y #+ Rece')& a'! had C#)'e" #+ 2m)#&a!& e&c.

Da&a a"e

'tep *" Computer 'uita!le for #eceptionist

Ao- -e have to choose a computer -hich can perform all of These Tasks easily. We can also &se*ome /arts from (ld Computers if they are vaila%le and if not then -e have To +uy it from theavaila%le *ources.

'tep :"

What 'hould (e -ts 'pecs




25/40

Computer systems

'pecification of Computer

Computer Type

Desktop with LCD Monitor

Processor

Intel core 2 Duo

Ram1Gb Will be Good Enough

Hard

Disk

120GB Because we a!e "o #a!e large $%ount o& Data'

Monitor1()) inch LCD Monitor

PeripheralDevices

*rinter+ #canner+ Mouse+ ,e-board'

Lan CardEthernet *ort'

After 'electing the Computer )e have to !uy it from and Check theAvaila!ility of -ts ard)are so in uture )e can Deal With any 3ind of pro!lem.6o) After the 'ystem )ith the 'pecs recommended )e have to assem!le it

'tep


26/40

Computer systems

La/ P#ced%e9 T##$"9Sce, D'(e

8A!&' Sa)&'c

'"& S&a)

8'"& a&

8>

Sce,d'(e8He> D'(e.

P#ced%e!

2irst -e have to connect po-er supply in the

casing. fter Completing the 2irst *tep. We -illConnect )other +oard0 $ard "rive and C"Rom in The Case and -ill Connect all These"evices -ith Each (ther through ConnectingCa%les 4*T5 Ca%le and (ther Ca%les. Ao-after connecting all the "evices -ith Each(ther We set all The *cre-s and )ake ThemTight Enough to $old ll the $ard-are@s. &se nti *eptic Wrist *trap While installing/rocessor in )other%oard

; A""em/$ed C#m)%&e Ca"e<

'ecurity +recautions" 1. Turn off The Computer and *-itch off The /o-er *upply %efore nstalling or removing any$ard-are.. &sage (f nti*tatic Wrist *trip Can is useful 2rom /reventing "amage to $ard-areComponents.

Test 'tart" fter Completing the Connecting *tep We -ill *-itch on The Computer to check it Whether tsWorking or Aot. Ao %eep means the Computer s ok and ready to operate.

'tep >" fter ssem%ling The Computer We Will Connect &seful /eripheral "evices!

Connecting +eripheral Devices" /eripheral "evices are (ne +asic Aeeds of Receptionist and the )ost mportant of Them are! P'!&e Sca!!e.

o) to Connect/rinter and *canner are +oth Connected via Ca%le .These "evices re Connected to Theirnterfaces .These "evices *tart Their -orking after The nstallation of (perating *ystem and WeCan nstall Their "river Easily via /lug and /lay 2eature




27/40

Computer systems

Task :.*

Test the functionality of computer system0 diagnose pro%lems and change your systemconfiguration to -ork %est. Hou can use -indo-s "irectK "iagnostic Tool to test the system display0sound0 music0 input0 and net-ork. lso0 sho- ho- you -ill use -indo-s help and support centre totrou%leshoot a pro%lem in any one input and one output device. 2inally0 create a -ork order sheet todocument any customer pro%lem consider you are -orking as an T support assistant in acompany .

'tep "F#ma&&'! &he Had D'"9We -ill format $ard "isk. 2ormat )eans To )ake a 2ile

*ystem 2or the Ae- (perating *ystem. 2ile systemprovides a directory structure. t is must to "o 2ormatting%efore nstalling the Ae- (perating *ystem. )ost of The(perating *ystem utomatically "o This *tep. The t-ofile *ystem used are!

1.FAT344.NTFS ;Ne, Tech!#$#y F'$e Sy"&em< We -ill use AT2* %ecause it@s a ne- file system and iscompati%le -ith -indo-s #.

; F#ma& '!d#,"<

'tep "Pa&'&'#! O+ Had D'"9

/artition means to divide the )emory of hard disk intoparts and this step is performed %efore the installation of operating system.)inimum13+ *pace s reserved for the operating system and is kno-n as primary partition.n -indo-s # primary partitions is made automatically.Remaining )emory space is &sed %y Extendedpartitions. Creating three Extended partition is good%ecause t provides a extra privacy and the chances of

data loss are eliminated.

;Pa&'&'#! O+ Had D'" <

'tep F"Ch##"'! &he O)ea&'! Sy"&em9+y comparing -ido-s -ith other operating systemsWindo-s is the operating system for receptionist as it isall in one offering all the features.




28/40

Computer systems

'tep @92!"&a$$'! O)ea&'! Sy"&em9O perating *ystem can %e nstalled from 7 ways :

2!"&a$$ &h#%h Ne&,# +#m Se(e.

##& F#m a C#)y Sa(ed #! Had D'(e.

2!"&a$$ F#m CD8 D(D e&c.

##& F#m CD8 D=D!

We Will +oot Windo-s from C" or "B" %ecause thesystem is ne- and from net-ork it -ill take a lot of time.

Se&%)9

When the C" -ill %e inserted -indo-s -ill start a %ootmenu and Ao- Windo-s -ill *tart ts *etup and -ill startcopying files and it -ill take some time.

C%"m'ze9

fter the copying files a dialog %ox -ill sho- to set up atime and date and after this u -ill set the name of computer.

2!"&a$$a&'#! 9

fter completing the customiation -indo-s -ill finallystart installation and screen of the -indo- -ill changeduring the installion sho-ing the advertisement of ne-Windo-s.this step -ill take maximum 13 minutes.

D'(e" 9

fter completing the installation. Aext step is to installdrivers. *ome -indo-s have %uilt in drivers. +ut for some-e install the drivers manually from cd@s or "B".

'tep 1B "2!"&a$$'! 6"e+%$ a))$'ca&'#!" 9Ao- in this step -e -ill install some importantaplications !

)icrosoft (fficeoogle Chrome)essengersnternet "o-nload )anager B ntivirus




29/40

Computer systems

'tep 11%(TA-6 -+ ADD#E''"We Can (%tain / address 2rom T-o )ethods &sing either CL or & .

C#mma!d L'!e 2!&e+ace9 Configuration of internet protocol addresscan %e done %y Command Line nterfaceusing 2ollo-ing Command!S&a& ? R%! ? Cmd ?')c#!+'.

GRAPH2C 6S7R 2NT7RFAC79 We Can Configure p address raphic user interface -hich is common among AormalComputer &ser!

L#ca$ Aea Ne&,# ? P#)e&'e" ? TCP2P ;D#%/$eC$'c< ? ADD 2P Adde""

'tep 1*T)o Circumstances When CL- is &ore Efficient Than =$-

T7ST2NG &he 2P ADR7SS9 CL is more Efficient in case -hen -e have to test ip address -hether it@s correct or not. n CL

-e have )ore Control than &. We can Test p ddress and Can Check Wrong p *ettings andcan change it %y Typing These Commands:

R%!?CD?')c#!+'e$ea"e ? ')c#!+'+$%"hDNS ? ')c#!+' e!e,.

7!('#!me!& #+ CL29 "iagnostic0 Testing and Configured

C#!c$%"'#!9t@s a very +ig +enefit and Bery %est solution for This pro%lem.




30/40

Computer systems

Add R#%& C#mma!d9

We can add rout in a *erver through CL -hich provide a direct link.

S&a& ?cmd ? Add R#%& ? #

Example! t is used in 2T/ server .-here it adds rout command is used for providing an extralink.

'tep 1:

Creating a +rofile With +ersonaliGed 'etting" N#, ,e '$$ Cea&e a P#+'$e 2! h'ch e ,'$$ Pe"#!a$'ze The Se&&'!" acc#d'! Rece)&'#!'"& !eed"9

Cea&'! a P#+'$e9 We Can Create a /rofile 2or Reception!

S&a& ? C#!&#$ Pa!e$ ? 6"e Acc#%!&" ?Add 6"e Acc#%!&?6"e Name ? #

n this step -e -ill create a profile -hich -illgive a privacy. +ecause The Receptionist"esk is &sed %y multiple /eoples.

Cha!'! The Re"#$%&'#!: fter Creating the profile -e can changedifferent settings!

De") ?P#)e&'e"?"e&&'!"?Re"#$%&'#!?cha!ee"#$%&'#! ?100>B00?#.

Ao- the sie of icons on "esktop has%ecome large and user can easily see the

icons.

P$ac'! 2c#! #! De")9We can /lace "ifferent &seful con on"esktop!

S&a& ? y D#c%me!& ?'h& c$'c ?"h#, #! de").S&a&?my c#m)%&e ?'h& c$'c ?"h#, #! de").

Ao- t Will is Bisi%le on "esktop.




31/40

Computer systems

ea"%e" +# Sec%'&y9 We Can set password For Security:

S&a& ? C#!&#$ Pa!e$ ? 6"e acc#%!&" ? ece)&'#!C#m)%&e ? Se& Pa"",#d ? a))$y.

fter applying the /ass-ord one cannot loginthe user account -ithout entering thepass-ord.

'tep 1<Test the Configuration"

After completing all the steps )e )ill configure the Computer !y checking allthe devices statuses9

De('ce a!ae9We Can also &se "evice )anager 2or Checking That The "evices re nstalled (r Aot!

S&a& ? y c#m)%&e?'h& c$'c ?a!ae?De('ea!ae?#

Ao- +y using The "evice )anager -e can*ee The *tatus of "ifferent easily.

C#!c$%"'#!9 fter using "ifferent )ethod -e canConclude that ll The "evices are nstalledand -orking /roperly.

'tep 1>"D%C$&E6TAT-%6 % A TE'T +LA6")y "ocumentation Consist The *ummary (f )y Whole /lan and )y Test /lan !

C#!&e!&"

2NTROD6CT2ON T7ST O7CT2=7 T7ST 2T7

APPROACH T7ST2NG PROC7S




32/40

Computer systems

PASS CR2T7R2A T7ST PLAN APPRO=AL

2NTROD6CT2ON 9

We $ave to design a computer 2or a Reception "esk . The Computer -e are designing should %ecompati%le and should meet all the Tasks (f Receptionist . We $ave To &se different techniGues to%uild a suita%le Computer .Ao- fter The +uilding the system -e have to test it.

T7ST O7CT2=79The (%>ective of (ur test /lan is to find as many as error -e can and to improve the /erfomance ofour system.We -ill &se *ystem tools and &tility soft-ares for possi%le removal of these errors.

Te"& 2&em !

"ifferent components of Computer +oth $ard-are and *oft-are . -e $ave to test all the tem andensure that they are -orking *uccessfully

Te"&'! Pc#e"" 9

2! Th'" P#ce"" e ,'$$ &e"& &he c#m)%e ,h'ch '" ecc#ma!ded. The Tech!'%e # %&'$'&y %"ed +# &h'" &e"&'! ae9

1.D'ec& D'a!#"&'c T##$ 9S&a& me!% ? R%! ? d>d'a

&seful tests like *ound Test 0 raphic card test can %e performed +y thistool 0 it@s a %uiltin system utility and is&sed often.

4.De('ce a!ae 9 "evice manager is also a -ay to check thestatus of "ifferent "evices or hard-aresconnected.S&a& ?y c#m)%&e?'h& c$'c?ma!ae?De('cea!ae?#

We can also check -hether The "evices areinstalled and is -orking properly %y "evice)anager .

C#!c$%"'#!" 9 A+&e Te"&'! ,e ca! c#!c$%de &ha& a$$ a$$ de('ce"ae ,#'! C#ec&$y

Testing the unctionality %f Computer "

fter Completing The Test /lan. Ao- -e -ill Test The 2unctionality of computer +y a *imple*ystem tool :no-n as "irectx "iagnostic Tool.

D'ec&> D'a!#"&'c T##$ 9

This s a +uiltin *ystem tool Through Which Wecan Check The Configuration of computer system

( DirectX Diagnosti Tools )




33/40

Computer systems

and also the functionality (f computer system..Sound Test Display TestMusic TestNetwork Testnput De!ices

S#%!d Te"&9*ound test can %e performed To check Theavaila%ility of *ound "rivers.H#, T# Te"&E

S&a& ? R%! ? D>d'a ? S#%!d 1?Te"& S#%!d.Ao- after test all the error -ill %e Eliminated

( Sound Test )

D'")$ay Te"& 9-e can lso Configure "isplay *ettings and test"isplay of a Computer +y This Tool. +y 2ollo-ing)ethod -e can Test "isplay of a Computer.MS&a& ? R%! ? D>da' ?D'")$ay ? Te"& D'")$ay ?# fter testing "isplay ll the /ro%lems areEliminated.

%"'c Te"& 9We can also /erform )usic Test to check if thesongs are playing or not . +ecause *ometimes(ur *ound *ystem is -orking Correctly %ut stillcan not listen music.S&a& ? R%! ? D>d'a ? %"'c ? Te"& %"'c ?# "#ter Testing we will Conclude t$e result t$at Music is Working %roperly

Ne&,# &e"& 9We can also test our Aet-ork via "irectK"iagnostic tool. +y 2ollo-ing /rocess !

S&a& ? R%! ? D>d'a ? Ne&,# ?Te"& ? #

fter testing The error *hall +e Eliminated.




34/40

Computer systems

2!)%& Te"& 9We can chek the connected input "evices via"x"iag .

"&a& ? %! ? d>d'a ? '!)%& ? #

This Test Will eliminate any error -ith repect toinput devices.

'!d#," He$) a!d S%))#&9

Every (perating system have some tools that are designed for user help an care. These tools are makesthe repuation of operating system strong. *o -e can facilitate from them. Windo- $elp and *upport isone of them a +uiltinsystem tool completely designed to facilitate the user

H#, T# O)e! E

S&a& ? ,'!d#," He$) a!d S%))#& .We can open it 2rom the a%ove method.

H#, T# Tae Ad(a!&ae E 2!)%& De('ce S#$%&'#! 9We can take advantage (f This tool Like$ere is an Example !

S&a&? '!d#," He$) a!d S%))#&?Ty)e m#%"e ? #Ao- -e Can see That +y Typing TheAame of nput "evice -indo-s $elp and*upport tself /rovides a *olution (f "ifferent Things -e -ant to change .




35/40

Computer systems

O%&)%& De('ce S#$%&'#!9 We can lso 2ind a *olution 2or (utputLike f -e -ant to find a solution for "ifferent /ro%lems (f )onitor.

S&a& ? ,'!d#," ? he$) a!d "%))#& ?#!' ? #

-e can see Easily That -indo-s helpsupport itself provides different Guestionsand there ans-er.

# Ode Shee& 9e ha(e mae a ##de Shee& . ,h'ch '!c$%de a"'c #" c#m)$e&ed.

Specs Status

Motherboard

Working

.a% Working

*rocessor Working

Graphiccard

Working

#ound Card Working

,e-board Working

Mouse Working

*rinter Working

#canner Working

Monitor Working

/etwork $!ailable

L$/ Connected

I* $ddress Congured

Windowspdate

n

Windows3irewall

n

$nti 4irus Installed




36/40

Computer systems

We Browser Installed

$pplications Working properl-

Microso&t5ce

Installed and Working*roperl-

Learning outcome <

Task


37/40

Computer systems

Phy"'ca$ a'!&a'!e!ce 9-e can Clean (ur /c Case after a -eek%ecause t also effects on The /erfomance(f Computer .

D'" A$$#, 2!de>'! 9To ncrease The performance (f Computer -e Can allo- ndexing of "isk "rives .Like$ere -e $ave allo-ed the ndexing of "riveC .

S&a& ?y c#m)%&e?D'" D'(e C?'h& C$'c ?)#)e&'e" ?Ge!ea$?%!-

chec /#> #+ a$$#, F'$e" #! &h'" D'(e Ha(e 2!de>ed.

C$ea Pe+e&ch 9This /rocess is also &sed 2or ncreasing Theperfomance (f Computer.$o- To clear D)y computer N"rive c

'Windows'%re#etc$'Clear all Files 'ok

Pe+#ma!ce 2!cea"e y y c#m)%&e 9

/erformance (f Computer can also %eincreased from my computer %y follo-ing/rocess !

y c#m)%&e ? )#)e&'e" ?ad(a!ced

&a/ ?)e+#ma!ce Se&&'!" ?chec &he/#> : ad%"& +# /e"& Pe+#ma!ce.?#

fter applying this /rocess -e -ill see ahuge "ifference in the performance.

'!d#," 6)da&e 9&pdating Windo- s very efficient for thehealth of operating system installed. tsal-ays $ighly recommended %ecause&pdates +rings Ae- 2iles -hich $elps us toget access to ne- applications and tools etc.$o- To &pdateD

start'control panel ' Syste and security




38/40

Computer systems

'Windows update'turn on 'ok

S)ec'a$ T##$" +# C#m)%&e a'!&e!a!ce9

cronics !This Tool s used 2or )aking The +ackup or restore point (f any "isk "rive 02older0 2ile.This is Bery &seful and This *oft-are ssometime $elpful than a +lank Check+ecause The Lost "ata Cannot +erecovered f The +ackup 2ile s Aot There.&seful 2or The environment of receptionoist0+uisness 0education..Etc.

This Tool can %e "o-nloaded 2orminternet or can %e nstalled "irectlyfrom Cd or "vd.

2!"&a$$'! S#+&,ae 9

Task *

How To Upgrade Hardware and Software :


2!"&a$$'! S#+&,ae 9 A!&' ='%" 9 vg nti virus is a Compati%le and efficient nti Birus +ecause ts easy to nstall andtake )iniumum *pace in hard "iskt can %e nstalled Bia nternet0Cd or &*%.

Setup ' un ' c$oose nstallation Type ' "ccept ' Finis$ nstallation .

6!'!"&a$$'! a S#+&,ae 9We can also uninstall a *oft-are f t isAot in our Aeeds or its not usefull andhave taken a space in hard disk .There are T-o )ethods to Remove or &ninstall a soft-are !1.+y Control panelControl N dd (r remove /rograms N

select /rogram to removeN removeprogram Nok.+y folde "estination ! vg N right click N properties N 2indtarget N selecting &ninstall 2older .



39/40

Computer systems

Software Upgrade:

Hard Drive:"rivers (f $ard "rive Can +e &pgraded+y follo-ing /rocess!

Disk Drive >Propeties >tools >Drivers>Update drivers

Processor Drivers :

Driver Of processor can beUpdated by this Method :

DeviceManager>processor>doubleclick>driver>driver update

AV Antivirus Update :

&pdating is Bery mportant 2or any

ntivrus . +ecause Ae- &pdate +ring theLatest nformation a%out the latestBiruses .vg nti Birus is &pdated +yfollo-ing /rocess!

Avg !nterface >Update Anti virus

Hardware Upgrade :$ard-are re upgraded +y installing a ne- "rive With )ore )emory -hich replaces or >oins The(ther old

One .

"AM:Ram is &pgrade %y adding a ne- RamChip -ith )ore )emory f there@s a extraslot availa%le then the ram -ill %e installedthere %ut if incase there is no slot availa%lethen the ne- ram Will replace The old (ne.




40/40

Computer systems

Hard Drive :$ard "rive Can lso %e upgraded +ynstalling a ne- $ard "rive -ith )ore*pace.

report on computer systems new

Documents