ppsc computer mcq

8/18/2019 PPSC Computer MCQ

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Data Structure [ Concepts, FIFO, LIFO, Link List, Binary tree, Graph, Nodes, etc ]

Computer Architecture [ Basic concepts,Instruction set, Addressin modes, I!O Intrusts "and#ers,

$eisters, FF, Operation Codes, etc ]

Data%ase [ Concepts, DB&Ss, Loica# DB, Security, Interity, S'L, etc]

Operation System [ Introduction, (rocess &anaement, Dead#ock, &emory &anaement, Cache,

Disk )rrors, I$', Addressin modes, *irtua# &emory etc ]

Net+orks [ OSI &ode#, Standards, opo#oies, LAN,-AN, &AN, $ING, SA$, B.S, $O.)$, ".B,

&odem, Fu## Dup#e/, "a#0 Dup#e/, )ncodin, Decodin, Asynchronous, Synchronous modes etc ]

Data Communication [ Basics, &odes, &u#tip#e/in, De&u/ ]

O%1ect Oriented (roramin [ Concepts, (o#ymorphism, Inheritance, )ncapsu#ation, Data "idin

etc2 , and c33 %asic, G.I 0unctions, Strins etc ]

((SC .pcomin Lecturer 4567 Computer Science &c8s 0or est (reparation

9 6 %yte : ; %its

9 6 mea %yte : 657; %ytes

9 6 ki#o %yte : 6547 %ytes

9 A com%ination o0 6> %its are ca##ed +ord?

9 A tera%yte : 6 tri##ion %ytes

9 Our (C %e#ons to 7th eneration

9 Fred Cohen coined the +ord computer @irus

9 First computer @irus +as created in 6=5 at Be## #a%oratories

9 -O$& means -rite Once $ead &any

9 (o+er o0 a super computer is measured in FLO(S F#oatin (oint Operations per Second2

9 ---!http hyperte/t trans0er protoco#2 +as created %y im Burner Lee in 64

9 Inte# means Interated )#ectronics

9 6 +orksheet contains 4 co#umns

9 G?-?Basic G?- stands 0or Gate -ay

9 Super Computer +as created %y ?"?*an asse#

9 CO$BA is Common O%1ect $e8uest Broker Architecture

9 .$L is .ni0orm or .ni@ersa# $esource Locator

9 Inte# in@ented $A& chip

9 In0ormation stored on disk as series o0 %umps on its shiny side?

9 D*Ds ho#d more in0ormation than CDs? hey use sma##er %umps and ha@e t+o reEecti@e #ayers

9 $ecorda%#e CDs do not ha@e %umps? here are patches o0 co#or on disk to chane the reEected

#aser #iht

9 In 6

9 In 6>; main0rame +as %ui#t?


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9 In 6=> Hrst supercomputer the Cray6 +as de@e#oped

9 In 6;6 IB& produce the IB& (C?

9 In 6; IB& made 8uantum computer

9 Super computers uses para##e# processin

9 In 6=7, computer ames +ere introduced?

9 ($O& is the a%%re@iation o0 proramma%#e read on#y memory

9

9 -hat +as the +or#ds Hrst hih #e@e# prorammin #anuae 6


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9 -hat company introduced the Hrst commercia# minicomputer >< D)C

9 Name the Hrst +e% %ro+ser pu%#ic#y a@ai#a%#e NCSA &osaic

9 he +or#ds most po+er0u# super computer is ca##ed ASCI +hite?

9 -or#d -ide -e% +as in@ented in 6K %y im Bareness Lee?

9 he Bprorammin #anuae +as de@e#oped %y en hompson?

9 he 6st commercia##y produced and so#d computer 6


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1. Who invented the high level language c?

a. Dennis $. Ritchie

b. -i2laus Writh

c. )eymour (apert

d. $onald 3unth

4. (ersonnel who design' program' operate and maintain computer e#uipment refers to

a. Console/operator

b. (rogrammer

c. eople%are

d. )ystem nalyst

5. When did arch rivals I6M and pple Computers Inc. decide to 7oin hands?

a. 8945

b. 895&

c. 899:

d. 1&&1

9. ;uman beings are referred to as ;omosapinens' which device is called )illico )apiens?

a. Monitor b. ;ardware

c. Robot

d. Computer

8:. n error in software or hardware is called a bug. What is the alternative computer 7argon for it?

a.


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a. $aughter board

b. $otherboard

c. =ather board

d. 6readboard

8*. In most I6M (Cs' the C(' the device drives' memory expansion slots and active components are mounted on a

single board. What is the name of this board?

a. $otherboard

b. 6readboard

c. $aughter board

d. >randmother board

81. What is meant by a dedicated computer?

a. Which is used by one person only

b. #hich is assigned one and only one tas"

c. Which uses one 2ind of software

d. Which is meant for application software

84. "he system unit of a personal computer typically contains all of the following except@

a. Microprocessor b. $is2 controller

c. )erial interface

d. $odem

85. computer program that converts an entire program into machine language is called aAan

a. Interpreter

b. )imulator

c. Compiler

d. Commander

89. computer program that translates one program instructions at a time into machine language is called aAan

a. Interpreter

b. C(

c. Compiler

d. )imulator

!:. small or intelligent device is so called because it contains within it a

a. Computer

b. Microcomputer

c. (rogrammable

d. )ensor


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Computer Science Solved Mcqs

6? o #ocate a data item 0or storae is

d? Fetch

4? prorams desined to per0orm speciHc tasks is kno+n as

%? app#ication so0t+are

K? per0orated paper used as input o0 output media is kno+n asa? paper tapes

7? ime durin +hich a 1o% is processed %y the computer is

c? )/ecution time


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((SC Computer Science Important &c8s For Lectureship 4567 )/am

Computer &u#tip#e Choice 'uestions &C's2

6? A## o0 the 0o##o+in are e/amp#es o0 rea# security and pri@acy risks )QC)(

A? hackers?

B? spam?

C? @iruses?

D? identity the0t?

Ans+er B

4? A process kno+n as RRRRRRRRRRRR is used %y #are retai#ers to study trends?

A? data minin

B? data se#ection

C? (OS

D? data con@ersion

Ans+er A

K? RRRRRRRRRRRRtermina#s 0ormer#y kno+n as cash reisters2 are o0ten connected to comp#e/

in@entory and sa#es computer systems?

A? Data

B? (ointo0sa#e (OS2

C? Sa#es

D? 'uery

Ans+er B

7? An2 RRRRRRRRRRRR system is a sma##, +ire#ess handhe#d computer that scans an itemTUs ta

and pu##s up the current price and any specia# oPers2 as you shop?

A? (SS

B? (OS

C? in@entory

D? data minin

Ans+er A


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65? RRRRRRRRRRRR is the study o0 mo#ecu#es and structures +hose siJe ranes 0rom 6 to 655

nanometers?

A? Nanoscience

B? &icroe#ectrodes

C? Computer 0orensics

D? ArtiHcia# inte##ience

Ans+er A

Status OVine 66? RRRRRRRRRRRR is the science that attempts to produce machines that disp#ay

the same type o0 inte##ience that humans do?

A? Nanoscience

B? Nanotechno#oy

C? Simu#ation

D? ArtiHcia# inte##ience AI2

Ans+er D

64? RRRRRRRRRRRR is data that has %een oraniJed or presented in a meanin0u# 0ashion?

A? A process

B? So0t+are

C? Storae

D? In0ormation

Ans+er D

6K? he name 0or the +ay that computers manipu#ate data into in0ormation is ca##ed

A? prorammin?

B? processin?

C? storin?

D? oraniJin?

Ans+er B

67? Computers ather data, +hich means that they a##o+ users to RRRRRRRRRRRR data?

A? present

B? input

C? output

D? store


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Ans+er B

6


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D? %inary num%er?

Ans+er C

45? A strin o0 eiht 5s and 6s is ca##ed a

A? mea%yte?

B? %yte?

C? ki#o%yte?

D? ia%yte?

Ans+er B

-ho is credited +ith the creation o0 ---

Ans+er im BernersLee

4


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K6? he in@ention o0 the s#ide ru#e is attri%uted to

a2 Ba%%ae %2 Ouhtred c2 (asca#

d2 Napier e2 None o0 the a%o@e

Ans B2

K4? -hich o0 the 0o##o+in is not an ad@antae o0 manetic disk storae?

a2 he access time o0 manetic disk is much #ess than that o0 manetic tape

%2 Disk storae is #oner #astin than manetic tape

c2 Disk storae is #ess e/pensi@e than tape storae

d2 A## o0 the a%o@e

e2 None o0 the a%o@e

Ans e2

KK? he memory siJes in main0rame computers and ad@anced techno#oy micro computer are

e/pressed as

a2 Bytes %2 i#o%ytes c2 Bits

d2 &ea%ytes e2 None o0 the a%o@e

Ans d2

K7? A preH/ 0or %i##ion +hich is e8ua# to ? is ca##ed as %i##i?

a2 655 %2 65555 c2 6555 d2 65 e2 None o0 the a%o@e

Ans d2

K


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K;? o mo@e the cursor to the end o0 the document press

Ans Ctr# 3 )nd

K? In -ord (rocessin the red under#ine indicates

Ans Spe##in mistakes

75? he shortcut key to print documents is

Ans Ctr# 3 (

76? First #ayer in the OSI re0erence mode# is

a2 Data #ink %2 Net+ork c2 (hysica# d2 App#ication

Ans c2

74? *iruses, ro1an horses and -orms are

a2 a%#e to harm computer system

%2 una%#e to detect i0 aPected on computer

c2 user0riend#y app#ications

d2 harm#ess app#ications resident on computer

Ans a2

7K? (roram threats are

a2 rap doors %2 ro1an horse c2 Both a2 W %

Ans %2

77? Fai#ure o0 pass+ords security due to e/posure can resu#t 0rom

a2 )#ectronic monitorin %2 *isua# c2 Both a2 W %2

Ans c2

7


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7=? Graphica# pictures that represent an o%1ect #ike H#e, 0o#der etc? are

a2 ask %ar %2 -indo+s c2 Desktop d2 Icons

Ans d2

7;? -ho in@ented the supercomputer

a2 (? Farns+orth %2 ?$ -hinHe#d

c2 ?"? *an asse## d2 Char#es Gins%er

Ans c2

7? Accessin records 0rom a H#e direct#y +ithout searchin 0rom the %einnin o0 the H#e is

a2 ime sharin %2 $andom

c2 Direct access d2 Access time e2 None o0 the a%o@e

Ans c2


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a. portion of the hard dis2 considered as RM.

b. ,xtended memory on the secondary storage that is used whenever physical memory is full .

c. "he abstraction of separating logical memory + memory as seen by the process + from physical memory + memory as seen

ny the processor.

d. It is the page file in Windows folder.

e. -one of these.

!. "he DcmpE instruction modifies the@

a. Instruction register.

b. =lags register.

c. )egment register.

d. -one of these.

%. Consider the following page reference string@

8'!'%'&'!'8'*'1'!'8'!'%'4'1'%'!'8'. ssuming there are & page framess available and that all frames are initially empty' what is the

total number of page faults that would occur for the page reference string above if the least/recently/used F


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4. (hase )hift 3eying F()3G method is used to modulate digital signals at 91::bps using 81 levels. "he line signals speed Fi.e.

modulation rateG will be@

a. 8!:: bands

b. !&:: bands

c. &5:: bands

d. 91:: bands

e. -one of these

5. ,xception handling is a powerful tenchni#ue that separates error/handling code from HHHHHH code

a. 6uggy

b. =aulty

c. -ormal

d. ,xceptional

e. -one of these

9. When a subroutine is called' the address of the instruction following the C


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8%. "he advantages of creating a prototype are@

a. It allows developers to experiment with number of different design options.

b. It can serve as means of communication between developers and customers.

c. It is better than water fall model

d. 6oth a and b

e. -one of these

8&. Choose the correct statement@

a. "esting can show the presence of bugs but never their absence

b. "esting can always find all the bugs

c. "esting can always be exhaustive

d. If we test enough then we can find all of the bugs

e. -one of these

8*. Which of the following operations need the participating relations to be union compatible?

a. -IO-

b. I-",R),C"IO-

c. $I==,R,-C,

d. ll of these

e. -one of these

81. "he language used in application programs to re#uest data from the $6M is reffered to as the@

a. $M<

b. $$<c. $<

d. )$<

e. -one of these

84. What is the correct J;"M< for a paragraph?

a. K(LKApL

b. K(LKA(L

c. KpLKApL

d. KApLKpL

e. -one of these

85. Which of the follwoing ;"M< form method is suitable when you need to send larger form submission?

a. >et

b. (ost

c. 6oth >et and (ost

d. 7ax

e. -one of these


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89. F!'&G is a point on a circle that has senter at the origion. Which of the follwoing points are also on circle?

a. F!'/&G

b. F/!'&G

c. F&'/!G

d. ll of the above

e. -one of these

!:. In 6resenhamEs algorithm' while generating a circle' it is easy to generate?

a. One octant first and other by successive reflection

b. One octant first and other by successive rotation

c. One octant first and other by successive translation

d. ll octants

e. -one of these.

Computer Science Important &c8s For (CS W CSS )/ams

In Microsoft windows 2ey =8 is mostly used for

;elp

)ave

-ew

,xit

"he device which converts analog signals to digtital signals and vice versa is called

mother board

"(

Modem

IAO device

-"=) stand for

-etwor2 =ile )aving

-ew "echnology =ile )ystem

-ewt "rend =ile )aving-on "echnology =ile )ystem

"he part of C( where arithmetic and logical functions are performed is called

control unit


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In cyber crimes'

FG "he computer is a tool F6G "he computer is a target

FCG 6oth FG and F6G F$G -either FG nor F6G

ns@ C

!. Which of the following is not an operating system?

FG


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8!. One 2ilobyte F36G is e#ual to

FG 8::: bytes F6G 8:!& bytes

FCG 8:!& bits F$G 8:!% bytes

ns@ 6

8%. One megabyte FM6G is e#ual to

FG 8:!% 2ilobytes F6G 8::: bytes

FCG 8:: 2ilobytes F$G 8:!& 2ilobytes

ns@ $

8&. One >igabyte F>6G is e#ual to

FG 8::: megabytes F6G !:&5 megabytes

FCG !:!% megabytes F$G 8:!& megabytes

ns@ $

8*. 5 bits forms a

FG byte F6G nibble

FCG 2ilobyte F$G -one of the above

ns@

81. "he Institution set up by the >overnment of India to provide computer based information services to government

departmentsFG C/$I" F6G C$C

FCG -IC F$G $O,CC

ns@ C

84. Information Communication "echnology FIC"G involves primarily

FG ,nrichment of existing 2nowledge

F6G Installation of e#uipments

FCG )torage and communication of information

F$G se of technology for teaching

ns@ C

85. =or use of IC"' teachers should be familiar with

FG (rogramming F6G 6rowsingFCG (lanning F$G ;andling of audio/visual aids

ns@ 6

89. Cloud computing means

FG Computing using the satellite

F6G Computing using cloud chamber technology

FCG Computing which results in errors

F$G )hifting computing power from offline (Cs and


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FCG ,lectro magnetic waves entering the computer from internet

F$G programme

ns@ $

!%. Rohith was as2ed to prepare a multimedia presentation as part of a seminar. Which of the following software can be made

use of?

FG -otepad F6G ,xcel

FCG (ower (oint F$G dobe Reader

ns@ C

!&. In internet terminology I( means

FG Internet (rovider F6G Internet (rotocol

FCG Internet (rocedure F$G Internet (rocessor

ns@ 6

!*. Which one of the following is not a search engine?

FG 6ing F6G >oogle

FCG ahoo F$G Windows

ns@ $

!1. C


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F6G Modem helps in stabiliing the voltage

FCG Modem is the operating system

F$G Modem converts the analog signal into digital signal and vice/versa

ns@ $

%%. Which of the following is the appropriate definition of a computer ?

FG Computer is a machine that can process information.

F6G Computer is an electronic device that can store' retrieve and process both #ualitative and #uantitative data #uic2ly and

accurately.

FCG Computer is an electronic device that can store' retrieve and #uic2ly process only #uantitative data.

F$G Computer is a machine that can store' retrieve and process #uic2ly and accurately only #ualitative information

ns@ 6

%&. Information and Communication "echnology includes

FG On line learning

F6G


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F$G Inter Connected "erminals

ns@ C

&!. Which of the following statement is not correct?

FG Computer is capable of processing only digital signal

F6G Computer is capable of analysing both #uantitative and #ualitative data

FCG ppropriate software is re#uired for processing the data

F$G Computer is capable of processing digital as well as analog signals

ns@

&%. Which of the following is the appropriate definition of Information "echnology?

FG Information "echnology refers to the use of hardware and software for processing information

F6G Information "echnology refers to the use of hardware and software for distribution of useful information

FCG Information "echnology refers to the use of hardware and software for storage' retrieval' processing and distributing

information of many 2inds

F$G Information "echnology refers to the use of principles of (hysical sciences and )ocial sciences for processing of information

of many 2inds

ns@ C

&&. Which of the following statement is correct?

FG irus improves the speed of processing information through computer F6G Internet does not allow the virus to spread

FCG irus is a part of software

F$G irus is an operating system

ns@ C

&*. Which of the following is correct statement?

FG Computers can be used for diagnosing the difficulty of a student in learning a sub7ect

F6G (sychological testing can be done with the help of computer provided a software is available

FCG set of instructions is called a programme

F$G ll of the above

ns@ $

&1. parallel port is most often used byFG Mouse F6G Monitor

FCG (rinter F$G 3eyboard

ns@ C

&4. 6lue tooth technology allows@

FG


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FCG


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FG lan "uring F6G uc2erburg

FCG int Cerf F$G Ray "omilson

ns@ $

1%. ROM )tands for

FG Range Of Motion F6G Read On Memory

FCG Read Only Memory F$G -one of these

ns@ C

1&. One "erabyte F"6G is e#ual to

FG 8::: megabytes F6G !:&5 megabytes

FCG 8:!& gigabytes F$G 8:!& megabytes

ns@ C

1*. )uper computer developed by Indian scientists?

FG (aram F6G Cray I

FCG 6lue >ene F$G I6M )e#uoia

ns@

11. process used by large retailers to study trends

FG data selection F6G data mining

FCG both FG and F6G F$G -one of the above ns@ 6

14. "echnology no longer protected by copyright' available to everyone

FG (roprietary F6G Open

FCG (rivate F$G ,ither FG or F6G

ns@ 6

15. Computers use PP+ language to process data

FG ,nglish F6G powerful

FCG decimal F$G binary

ns@ $

19. "he term DbitE is a short for

FG binary digit F6G binary number FCG digit F$G byte

ns@

4:. Which of the following is not an example of input device?

FG 3eyboard F6G mouse

FCG (rinter F$G scanner

ns@ C

48. $)< is an example for PPP connection

FG networ2 F6G wireless

FCG internet F$G broadband

ns@ $

4!. PPPP is the program that manages C(' memory' storage devices and inputAoutput devices.

FG )uper system F6G pplication software

FCG Operating system F$G Control system

ns@ C

4%. 6inary language consists of PP/

FG ! digits F6G % digits

FCG & digits F$G 8: digits

ns@


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4&. What combination of short cut 2eys will you use to change a text in upper case to lower case in M) Word?

FG CtrlQ< F6G )hiftQ=%

FCG CtrlQ)hiftQ F$G )hiftQltQ=*

ns@ 6

4*. Which -obel


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51. Which of the following is not a browser program ?

FG MO)IC F6G Windows ,xplorer

FCG Internet ,xplorer F$G -etscape -avigator.

ns@ 6

54. 2ios2 offers PPPPP

FG $igital Certificate F6G "ouch )creen pplication

FCG Internet )ervices F$G -one of these

ns@ C

55. - refers toPPPPP

FG irtual nalog -etwor2 F6G alue dded -etwor2

FCG ariable ddress -etwor2 F$G irtual dditional -etwor2

ns@ 6

59.


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95. "he programs which are as permanent as hardware and stored in ROM is 2nown as@

FG )oftware F6G =irmware

FCG lgorithm F$G ROMware

ns@ 6

99. Which access method is used for obtaining a record from a cassette tape?

FG )e#uential F6G $irect

FCG Random F$G -one of these

ns@

8::. )CII stands for@

FG merican )ecurity Code for Information Interchange

F6G merican )tandard Code for Information Interchange

FCG merican )cientific Code for Interchanging Information

F$G merican )tandard Code for Interchanging Information

ns@ 6

Computer Science rends And echno#oies &C's

-hat hides your identity 0rom the -e% sites you @isit

-e% #o

C#ick stream


29/66

An anonymous -e% %ro+sin ser@ice

None o0 the a%o@e

RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR

In +hich H#e the compi#er manae the @arious o%1ects, +hich are used in +indo+sprorammin

Contro# Fi#e

Binary Fi#e

e/t Fi#e

O%1 Fi#e


)commerce in0rastructure in@o#@es

-e% ser@ers

)cata#os

Net+ork

A## o0 these


-hich type o0 app#ication is %ui#t %y app +iJard in &FC

SDI

&DI

Dia#o

A## o0 these


-hich o0 the 0o##o+in prorams can use key #oer so0t+are

)mai#

Instant messaes


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App#ications

A## o0 the a%o@e


&CommerceX re0ers toa myth +hich does not e/ist in rea#ity

the a%i#ity o0 %usiness to reach potentia# customers +here@er they ar)

the a%i#ity to ha@e #are capacity o0 memory storae dea#in trade and commerce

None o0 the a%o@e


-hat component o0 ?N) inc#udes ser@ices used to support +e% ser@ices

(#at0orm

Frame+ork

*isua# Studio

System


&FC stands 0or

&icroso0t Fi#e C#ass

&icroso0t Foundation C#ass

&icroso0t Form C#ass

None o0 the a%o@e


-hich o0 the 0o##o+in is a di#emma 0aced %y %usinesses today

Customers +ant %usinesses to kno+ them, %ut +ant to %e #e0t a#one

Customers +ant %usinesses to pro@ide +hat they +ant, %ut do not +ant %usinesses to

monitor their ha%its and pre0erences


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Customers do not #ike ads %ut +ant to kno+ +hat ser@ices and products are a@ai#a%#e

A## o0 the a%o@e


-hich in0rastructure inc#udes app#ication ser@ers, data ser@ers, and c#ientsC#ient!ser@er

hin C#ient

4tier in0rastructure

Ktier in0rastructure


-hich o0 the 0o##o+in is 0a#se concernin )nterprise $esource (#annin )$(2

It attempts to automate and interate the ma1ority o0 %usiness processes?

It shares common data and practices across the enterprise

It is ine/pensi@e to imp#ement?

It pro@ides and access in0ormation in a rea#time en@ironment?


-hat is it ca##ed +hen I specia#ists +ithin your oraniJation de@e#op the systems

Insourcin

Se#0sourcin

Outsourcin

A## o0 the a%o@e


-hat is the unauthoriJed use, dup#ication, distri%ution or sa#e o0 copyrihted so0t+are

Fair .se Doctrine

(irated so0t+are


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Counter0eit so0t+are

(ri@acy


At any i@en time (ara##e# *irtua# &achine (*&2 has RRRRRRRR send %uPer and RRRRRRRRrecei@e %uPer?

oneone

onet+o

t+ot+o

t+oone


-hich is the most @a#ua%#e e#ectronic commerce to the indi@idua# customer in #on run

Business to Customer

Business to Business

Customer to Customer

None o0 the a%o@e


he Linker a##o+s access 0or LIB? H#es 0or

$untime

Source code

)/ecution

A## o0 these


-hich sement is eBay an e/amp#e

B4B

C4B


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C4C

None o0 the a%o@e


-hat is an e#ectronic representation o0 cashDiita# cash

)#ectronic cash

)cash

A## o0 the a%o@e


he %est products to se## in B4C ecommerce are

Sma## products

Diita# products

Specia#ty products

Fresh products


e#net is a

Net+ork o0 te#ephones

e#e@ision net+ork

$emote #oin

None o0 these


One o0 the distinuished 0eatures o0 supercomputer o@er other cateory o0 computer is

para##e# processin

hihest accuracy #e@e#


34/66

more speed

more capacity


-hich is used to connect messaes sent to a proram a#on +ith 0unctions meant 0orhand#in such messaes

&essae 8ueue

&essae hand#er

&essae map

-indo+s procedure


OraniJations +ith %oth physica# and on#ine presences are re0erred to as +hat

&u#tipresence oraniJations

Dua#presence companies

C#ickandmortar

A## o0 the a%o@e


he idea o0 &FC document architecture +as created %y

&icroso0t

Orac#e

Qero/

IB&


LDA( stands 0or

Liht +eiht Data Access (rotoco#

Liht +eiht Directory Access (rotoco#


35/66

Lare Data Access (rotoco#

Lare Directory Access (rotoco#


-hich o0 the 0o##o+in is not one o0 the 0our primary 0ocuses o0 eo@ernmentG4G

G4B

IG4B

IG4G


Cookies are used to do +hich o0 the 0o##o+in

Store your ID and pass+ord 0or su%se8uent #oons to the site

Store contents o0 e#ectronic shoppin carts

o track +e% acti@ity

A## o0 the a%o@e and more


-hich o0 the 0o##o+in app#ies to the imp#ementation o0 an idea

Copyriht

Inte##ectua# property

(atent

Denia#o0ser@ice attack


-hat is the meanin o0 M"i%ernate in -indo+s Q(!-indo+s =

$estart the computers in sa0e mode

$estart the computers in norma# mode?


36/66

Shutdo+n the computer terminatin a## the runnin app#ications?

Shutdo+n the computer +ithout c#osin the runnin app#ications?


A document supportsRRRRRRRR@ie+?One

One or more

+o

None o0 these


)/terna# data is stored in the

Customer H#e

Forecast a##ocation H#e

&arket 0orecast H#e

A## o0 these


)#ectronic credit card can %e

.nencrypter 0orm on#y

)ncrypter 0orm on#y

Both A and C

None o0 these


RRRRRRRRRRRis not a cateory o0 )(S?

) %ankin

Direct payments


37/66

$etai#in payments

Cash on de#i@ery


A techni8ue used to ain persona# in0ormation 0or the purpose o0 identity the0t, o0ten %yemai#, is ca##ed

(hishin

Cardin

Brand spooHn

A## o0 the a%o@e


he trend to outsource I 0unctions to other countries is termed

Forein outsourcin

OPshore outsourcin

)/terna# outsourcin

Outer outsourcin


)(S is needed %ecause

Ine/pensi@e

G#o%a# %reakthrouh

Fast and secure

A## o0 these


-hich c#ass is used to contro# the data %ein used %y app#ication

Document c#ass

*ie+ c#ass


38/66

Frame c#ass

App#ication c#ass


Sa#es Hures in the market 0orecast H#e are updated %y the&arket research procedure

Sa#es ana#ysis procedures

Sa#es 0orecastin

A## o0 the a%o@e


A honey pot is an e/amp#e o0 +hat type o0 so0t+are

)ncryption

Securityauditin

*irus

Intrusiondetection


-hich o0 the 0o##o+in descri%es ecommerce

Buyin products 0rom each other

Buyin ser@ices 0rom each other

Se##in ser@ices 0rom each other

A## o0 the a%o@e


-hat are p#astic cards the siJe o0 a credit card that contains an em%edded chip on +hich

diita# in0ormation can %e stored

Customer re#ationship manaement systems cards

)o@ernment identity cards


39/66

F)DI cards

Smart cards


RRRRRR is not an )Commerce app#ication?"ouse %ankin

Buyin stocks

Conductin an auction

)@a#uatin an emp#oyee


he prorammin that pro@ides comp#e/ so#ution uses

&FC

A(I

G.I

None o0 these


)nterprise $esource (#annin )$(2

has e/isted 0or o@er a decade

does not interate +e## +ith the 0unctiona# areas other than operations

is ine/pensi@e to imp#ement

automate and interates the ma1ority o0 %usiness processes


A c#usterin techni8ue that permits a con@enient raphica# disp#ay is

partition %ased c#usterin

pro%a%i#istic mode# %ased c#usterin


40/66

hierarchica# c#usterin

a#omerati@e c#usterin


o compare, o@er#ay or cross ana#yJe to maps in GIS%oth maps must %e in diita# 0orm

%oth maps must %e at the same e8ui@a#ent sca#e?

%oth maps must %e on the same coordinate system

A## o0 the a%o@e


he mercanti#e process mode# consists o0 the 0o##o+in phases

he prepurchase phase

(urchase consummation phase

(ostpurchase Interaction phase

A## o0 the a%o@e


-hat is the e#ectronic commerce acti@ities per0ormed %et+een a o@ernment and its

%usiness partners 0or such purposes as purchasin direct and indirect materia#s,

so#icitin %ids 0or +ork, and acceptin %ids 0or +ork

G4G

G4B

G4C

IG4G


RRRRRR is sometimes said to %e o%1ect oriented, %ecause the on#y +ay to manipu#ate

kerne# o%1ects is %y in@okin methods on their hand#es?


41/66

-indo+s N

-indo+s Q(

-indo+s *ISA

-indo+s


-hat is a +orkstation +ith a sma## amount o0 processin po+er and costs #ess than a 0u##

po+ered +orkstation

C#ient!ser@er net+ork

Intranet

)/tranet

hin c#ient

Computer Mcqs For Lecturer & Subject Specialist And Other PSC Exams

6? -hich o0 the 0o##o+in is not a (rorammin #anuae

A? Basic

B? FO$$AN

C? LAS)$D? (ASCAL

)? A## are prorammin #anuaes

Ans+er is : C

4? he technica# term not re#ated to computer systems

A? *irus

B? -inchester Disk

C? &ouse


42/66

D?FIFO System

Ans+er is : D

K? Fo/(ro is

A? A medicine

B? a disease

C? a Computer Lanuae

D? a anima#Ans+er is : C

7? Super Computer +as in@ested %y

A? ?"? *an asse#

B? ?C (errier

C? -?L udson

D? A?? arnerin

Ans+er is : A


43/66

? -hich o0 the 0o##o+in is the unit to e/press the memory o0 a computer

A? Compi#er

B? Bus

C? Byte

D? C#one

)? CAD

Ans+er is : C

65? -hich one o0 the 0o##o+in characteristics is a%sent in a computer, ho+e@er

sophisticated it may %e

A? "ih speed

B? Inte##ience

C? Accuracy

D? (er0ect &emory

Ans+er is : B

Computer Science Mcqs For PCS & CSS Exams

i2 -hen a## access and processin is done in one #ocation, a computer system is said to

%e

a2 net+orked

%2 distri%uted

c2 centra#iJed

d2 #inked

ii2 oo#s to chane ($O& chips, ca##ed

a2 chip kits

%2 $A& %urners

c2 ($O& %urners

d2 none o0

these


44/66

iii2 he type o0 modu#ation that chanes the heiht o0 the sin#e is ca##ed a2 0re8uency

%2 phase

c2 amp#itude

d2 prophase

i@2 A connection 0or simi#ar net+ork

a2 sate##ite

%2 %ridec2 ate+ay

d2 0a/

@2 he techno#oy +here%y part o0 the proram is stored on disk and is %rouht into

memory 0or e/ecution as needed is ca##ed

a2 memory a##ocation

%2 @irtua# storae

c2 interrupts

d2 prioritiJed memory

>2 he processors components are synchroniJed %y

a? Instructions

%? Data

c? In0ormation

d? C#ock pu#ses

Ans? d2

=2 )/terna# de@ices are #inked to a sma## computer system throuh

a? Channe#s%? Contro# units

c? (#us

d? inter0aces

Ans? d2

;2 Data on disk are recorded on a series o0 concentric circ#e ca##ed

a? Sectors

%? Cy#inders

c? B#ocks

d? racks

Ans? d2

2 he simp#est data structure is a

a? Fi#e

%? List

c? $ecord

d? Array


45/66

Ans? d2

652 Se@era# computers #inked %y communication #ines 0or a

a? Net+ork

%? Distri%uted system

c? ime share system

d? $in

Ans? a2

662 -hat is Fast )thernet

642 "o+ do you add a +orkstation to the domain

6K2 -hat is the dra+ %ack o0 Array imp#ementation o0 Co##ection

672 BrieEy +rite the procedure 0or Binary Search?

62 BrieEy descri%e $O& BIOS?

6=2 "o+ do you deHne (O$S Name diPerent types o0 ports?

6;2 -hat is (ass+ord -here and ho+ +i## you use it62 "o+ do @iruses in0ect (Cs

452 BrieEy descri%e Data ransmission &odes


46/66


47/66

COMP!E" SC#E$CE PCS%MC'S PAPE" ()*)+()*(

6o%1ect a#so ca##edRRRRR2 is a common data type that inc#udes photoraph, audio, @edio,

or a document in other app#ications?

a2 Num%er %2 BLOB c2 Inteer d2 %inary e2 none o0 these

4? in data%ase, an2 RRRR He#d is a roup o0 re#ated He#ds?

a2 a%#e %2 ey c2 $ecord d2 (rimery He#d e2 Non o0 these

K? In a data%ase, an2 RRRR He#d is a He#d that uni8ue#y identiHes each record in a H#e?

a2 &ain %2 Identi0yin c2 &aster d2 ey e2 none o0 these

7? I0 a #o+est annua# 0ee at a discount +herehouse is $s?454< and the hihest is $s?


48/66

66? +ith RRRRRRR memory , the operatin system a##ocates a portion o0 storae medium,

usua##y the hard disk , to 0unction as additiona# $A&

a2 *irtua# %2 per0ormance c2 de@ice d2 &aned e2 none o0 these

64? I0 a ne+ a de@ice such as printer or scanner is attached to a computer, its RRRRRRRRR

must %e insta##ed %e0ore the di@ice can %e used

a2 Dri@er %2 p#at0orm c2 manaer d2 kerne# e2 none o0 these

6K? A RRRRRRRR is an icon on the desktop that pro@ides a user +ith immediate access to a

proram or H#e?

a2 kerne# %2 spoo#er c2 %uPer d2 Shortcut e2 none o0 these

67? RRRRRRRR a disk or reorniJin it so the H#es are stored in contiuous sectors, speeds

up disk access and thus per0ormance o0 entire computer ?

a2 Formatin %2 De0rementin c2 Spoo#in d2 compressin e2 none o0 these

6


49/66

LEC!"E" COMP!E" SC#E$CE MCS PAPE"

'?6? Se#ect the %est option!ans+er and H## in the appropriate %o/ on the Ans+er Sheet?

452

i2 AQ reister is a#so kno+n as

a2 Accumu#ator

%2 Co##ector

c2 Distri%utor

d2 Counter

e2 None o0 these

ii2 In the Base 3 OPset addressin, OPset address is a#so kno+n as

a2 (hysica# Address

%2 Loica# Address

c2 Actua# Address

d2 Instruction Addresse2 None o0 these

iii2 he techni8ue 0or a##o+in a unit to check the status o0 another independent#y

0unction unit is kno+n as

a2 Interrupt

%2 System ca##

c2 (o##in

d2 rape

e2 None o0 these

i@2 he method 0or storin data temporari#y such that the inputoutput o0 the same 1o% is

o@er#apped +ith its o+n processin, is kno+n as

a2 Spoo#in

%2 Contention

c2 I!O +ait

d2 BuPerin

e2 None o0 these

@2 he D&A that uses Busses +hen C(. is not usin them is termed as

a2 Shared D&A

%2 Cyc#e Stea#in

c2 Channe#

d2 ransparent D&A

e2 None o0 these

@i2 RRRRRRRRR Schedu#er dea#s +ith the decision as to +hether to admit another ne+ 1o%

to the system?

a2 "ih Le@e#


50/66

%2 &edium Le@e#

c2 Lo+ Le@e#

d2 Short term

e2 None o0 these

@ii2 -hen the process is in the states o0 B#ocked Suspended or $eady Suspended, its

re#e@ant data is

stored ina2 &ain &emory

%2 "ard Disk

c2 &anetic ape

d2 BuPer

e2 None o0 these

@iii2 (riority, ( : ime -aitin 3 $un ime2 ! $un ime is used to ca#cu#ate priority in

RRRRRRRRRR schedu#in a#orithm

a2 Shortest o% First

%2 (riority Schedu#in

c2 Lonest -ait First

d2 "ihest $esponse $atio Ne/t

e2 None o0 these

i/2 "DLC (rotoco# stands 0or

a2 "ihLe@e# Data Link Contro#

%2 "ih Le@e# De@e#opment (rotoco#

c2 "ue Le@e# Data Link Contro#

d2 "ih De@e#opment Le@e# Contro#e2 None o0 these

/2 RRRRRRRRR is the eneric name 0or a set o0 standards issued %y the Internationa#

CommunicationsStandards Body CCI, desined to support &essae "and#in Systems

i?e? )#ectronic &ai#?

a2 C(!I(

%2 ISDN

c2 Q?755

d2 Q?4<

e2 None o0 these

/i2 RRRRRRRR #ayer is responsi%#e 0or the trans0er o0 a packet o0 data a#on one #ink in the

net+ork? It oraniJes data into 0rames and detects errors in transmission?

a2 (hysica# Layer

%2 Data Link Layer

c2 Net+ork Layer

d2 ransport Layer

e2 None o0 these


51/66

/ii2 )ncryption is the con@ersion o0 data in some inte##ii%#e 0ormat into an uninte##ii%#e

0ormat ca##ed RRRRRRRRR to pre@ent the data 0rom %ein understood i0 read %y an

unauthoriJed party?

a2 C#ear e/t

%2 )ncrypted e/t

c2 Cipher e/t

d2 Coded e/t

e2 None o0 these

/iii2 Binary search re8uires a%out RRRRRR comparisons +ith an initia# #ist o0 6,555,555

e#ements?

a2 65

%2 45

c2 K<

d2 655

e2 None o0 these

/i@2 A RRRRRRRRR header #ist is a header #ist +here the #ast node contains the nu## pointer?

a2 Grounded

%2 Circu#ar

c2 One +ay

d2 $ooted

e2 None o0 these

/@2 RRRRRRRR are sma## app#ications that are accessed on an internet ser@er, transported

o@er the internet, automatica##y insta##ed and run as part o0 a +e% document?

a2 App#ets%2 a@a Bean

c2 Sockets

d2 a@a Component

e2 None o0 these

/@i2 A- stands 0or

a2 A%stract -indo+ echni8ue

%2 A%stract -indo+ oo#kit

c2 Actua# -indo+ echni8ue

d2 Added -indo+ oo#kite2 None o0 these

/@ii2 GIF imaes can ha@e on#y upto RRRRRRR co#ors?

a2 64;

%2 4

c2


52/66

/@iii2 RRRRRRRR is stored on a c#ient and contains state in0ormation o0 the +e%site @isited?

a2 Cookies

%2 Ser@e#et

c2 "istory

d2 $esident (ae

e2 None o0 these

/i/2 In so0t+are )nineerin (A denotes?a2 ey (rocess Audit

%2 ey (rocess Area

c2 ey (rocess Ana#ysis

d2 ey (ro%#em Area

e2 None o0 these

//2 he RRRRRRRR (rocess &ode# deHnes a series o0 e@ents that +i## trier transitions

0rom state to state 0or each o0 so0t+are enineerin acti@ities?

a2 Spira#

%2 Operationa#

c2 $AD

d2 Concurrent De@e#opment

e2 None o0 these

Computer Science Mcqs For PSC Exams


53/66

62?o%1ect a#so ca##edRRRRR2 is a common data type that inc#udes photoraph, audio,

@edio, or a document in other app#ications?

a2 Num%er %2 BLOB c2 Inteer d2 %inary e2 none o0 these

4? in data%ase, an2 RRRR He#d is a roup o0 re#ated He#ds?

a2 a%#e %2 ey c2 $ecord d2 (rimery He#d e2 Non o0 these

K? In a data%ase, an2 RRRR He#d is a He#d that uni8ue#y identiHes each record in a H#e?

a2 &ain %2 Identi0yin c2 &aster d2 ey e2 none o0 these

7? I0 a #o+est annua# 0ee at a discount +herehouse is $s?454< and the hihest is $s?


54/66

;? he amount o0 data, instructions and in0ormation that can tra@e# o@er a

communication channe# somtimes is ca##ed RRRRRRR

a2 %road%and %2 %ase%and c2 #atency d2 %and+idth e2 none o0 these

? H%er optic ca%#es ha@e a## o0 the 0o##o+in ad@antaes o@er ca%#es that used +ire

e/cept RRRRRRR

a2 #o+er costs W easier insta##ation and modiHcation

%2 Faster data transmission W sma##er siJe

c2 Less suscepti%#e to noise 0rom other di@ices

d2 Better security 0or sina#s durin transmission

e2 none o0 these

65? ARRRRR is a net+ork that connects compter and di@ices in a #imited eoraphica# area,

such as home, schoo# computer #a%oratory , or oZce %ui#din

a2 LAN %2 &AN c2 -AN d2 *AN e2 none o0 these

66? +ith RRRRRRR memory , the operatin system a##ocates a portion o0 storae medium,

usua##y the hard disk , to 0unction as additiona# $A&

a2 *irtua# %2 per0ormance c2 de@ice d2 &aned e2 none o0 these

64? I0 a ne+ a de@ice such as printer or scanner is attached to a computer, its RRRRRRRRR

must %e insta##ed %e0ore the di@ice can %e used

a2 Dri@er %2 p#at0orm c2 manaer d2 kerne# e2 none o0 these

6K? A RRRRRRRR is an icon on the desktop that pro@ides a user +ith immediate access to a

proram or H#e?


55/66

a2 kerne# %2 spoo#er c2 %uPer d2 Shortcut e2 none o0 these

67? RRRRRRRR a disk or reorniJin it so the H#es are stored in contiuous sectors, speeds

up disk access and thus per0ormance o0 entire computer ?

a2 Formatin %2 De0rementin c2 Spoo#in d2 compressin e2 none o0 these

6


56/66

45? A unit test RRRRRRRR

a2 @eriHes that each indi@idu#e proram +orks %y itse#0

%2 @eriHes that a## prorams in an app#ication +ork toather proper#y

c2 @eriHes that an app#ication +orks +ith other app#ications

d2 is per0ormed %y endusers and @eriHes that the ne+ system +orks +ith actua# data

e2 none o0 these

i2 AQ reister is a#so kno+n as

a2 Accumu#ator

%2 Co##ector

c2 Distri%utor

d2 Counter

e2 None o0 these

ii2 In the Base 3 OPset addressin, OPset address is a#so kno+n as

a2 (hysica# Address

%2 Loica# Address

c2 Actua# Address

d2 Instruction Address

e2 None o0 these

iii2 he techni8ue 0or a##o+in a unit to check the status o0 another independent#y

0unction unit is kno+n as

a2 Interrupt

%2 System ca##


57/66

c2 (o##in

d2 rape

e2 None o0 these

i@2 he method 0or storin data temporari#y such that the inputoutput o0 the same 1o% is

o@er#apped +ith its o+n processin, is kno+n as

a2 Spoo#in

%2 Contention

c2 I!O +ait

d2 BuPerin

e2 None o0 these

@2 he D&A that uses Busses +hen C(. is not usin them is termed as

a2 Shared D&A

%2 Cyc#e Stea#in

c2 Channe#

d2 ransparent D&A

e2 None o0 these

@i2 RRRRRRRRR Schedu#er dea#s +ith the decision as to +hether to admit another ne+ 1o%

to the system?

a2 "ih Le@e#

%2 &edium Le@e#

c2 Lo+ Le@e#

d2 Short term


58/66

e2 None o0 these

@ii2 -hen the process is in the states o0 B#ocked Suspended or $eady Suspended, its

re#e@ant data is

stored in

a2 &ain &emory

%2 "ard Disk

c2 &anetic ape

d2 BuPer

e2 None o0 these

@iii2 (riority, ( : ime -aitin 3 $un ime2 ! $un ime is used to ca#cu#ate priority in

RRRRRRRRRR schedu#in a#orithm

a2 Shortest o% First

%2 (riority Schedu#in

c2 Lonest -ait First

d2 "ihest $esponse $atio Ne/t

e2 None o0 these

i/2 "DLC (rotoco# stands 0or

a2 "ihLe@e# Data Link Contro#

%2 "ih Le@e# De@e#opment (rotoco#

c2 "ue Le@e# Data Link Contro#

d2 "ih De@e#opment Le@e# Contro#

e2 None o0 these


59/66

/2 RRRRRRRRR is the eneric name 0or a set o0 standards issued %y the Internationa#

CommunicationsStandards Body CCI, desined to support &essae "and#in Systems

i?e? )#ectronic &ai#?

a2 C(!I(

%2 ISDN

c2 Q?755

d2 Q?4<

e2 None o0 these

/i2 RRRRRRRR #ayer is responsi%#e 0or the trans0er o0 a packet o0 data a#on one #ink in the

net+ork? It oraniJes data into 0rames and detects errors in transmission?

a2 (hysica# Layer

%2 Data Link Layer

c2 Net+ork Layer

d2 ransport Layer

e2 None o0 these

/ii2 )ncryption is the con@ersion o0 data in some inte##ii%#e 0ormat into an uninte##ii%#e

0ormat ca##ed RRRRRRRRR to pre@ent the data 0rom %ein understood i0 read %y an

unauthoriJed party?

a2 C#ear e/t

%2 )ncrypted e/t

c2 Cipher e/t

d2 Coded e/t

e2 None o0 these


60/66

/iii2 Binary search re8uires a%out RRRRRR comparisons +ith an initia# #ist o0 6,555,555

e#ements?

a2 65

%2 45

c2 K<

d2 655

e2 None o0 these

/i@2 A RRRRRRRRR header #ist is a header #ist +here the #ast node contains the nu## pointer?

a2 Grounded

%2 Circu#ar

c2 One +ay

d2 $ooted

e2 None o0 these

/@2 RRRRRRRR are sma## app#ications that are accessed on an internet ser@er, transported

o@er the internet, automatica##y insta##ed and run as part o0 a +e% document?

a2 App#ets

%2 a@a Bean

c2 Sockets

d2 a@a Component

e2 None o0 these

/@i2 A- stands 0or


61/66

a2 A%stract -indo+ echni8ue

%2 A%stract -indo+ oo#kit

c2 Actua# -indo+ echni8ue

d2 Added -indo+ oo#kit

e2 None o0 these

/@ii2 GIF imaes can ha@e on#y upto RRRRRRR co#ors?

a2 64;

%2 4

c2


62/66

d2 ey (ro%#em Area

e2 None o0 these

//2 he RRRRRRRR (rocess &ode# deHnes a series o0 e@ents that +i## trier transitions

0rom state to state 0or each o0 so0t+are enineerin acti@ities?

a2 Spira#

%2 Operationa#

c2 $AD

d2 Concurrent De@e#opment

e2 None o0 these

62 I0 the hihest 0re8uency o0 a sina# is 4655 "J and #o+est 0re8uency o0 a sina# is 455

"J, samp#e rate +i## %e

a2 7555 "J

%2 7>55 "J

c2 7455 "J

d2 4K55 "J

e2 None o0 these

42 A modem can do+n#oad at a rate o0 RRRRRRRRR %ps and up#oad at a rate o0

RRRRRRRRR %ps?

a2 KK?> KK?>

%2 KK?> ?>

c2 ?> KK?>

d2 ?> ?>

e2 None o0 these


63/66

K2 A system ca## pro@ides inter0ace %et+een

a2 A process and a thread

%2 A thread and a user proram

c2 A process and an operatin system

d2 A process and a user proram

e2 None o0 these

72 C(. schedu#in in0ormation a%out a process is he#d %y

a2 a (C

%2 the C(. $eister

c2 the Cache

d2 a (CB

e2 None o0 these

2 In O%1ect Oriented (rorammin, o@er#oad methods


64/66

a2 Can ha@e the same types and num%er o0 parameters as another method +ith the

same name in the same c#ass as #on as the return type is diPerent?

%2 Cannot %e used as methods that manipu#ate attri%utes

c2 &ust a#+ays ha@e diPerent num%er o0 parameters

d2 &ust ha@e diPerent num%er o0 parameters or i0 the num%er o0 parameters is thesame a diPerent se8uence o0 parameter type

e2 None o0 these

=2 I0 you +anted to sort many #are o%1ects or structures, it +ou#d %e most eZcient to

a2 (#ace them in an array and sort the array

%2 (#ace pointers to them in an array and sort the array

c2 (#ace them in a #inked #ist and sort the #inked #ist

d2 (#ace re0erences to them in an array and sort the array

e2 None o0 these

;2 he type o0 the @aria%#e a pointer points to must %e part o0 the pointers deHnition so

that

a2 Data types do not et mi/ed up +hen arithmetic is per0ormed on them?

%2 (ointers can %e added to one another to access structure mem%ers

c2 No ones re#iious con@iction +i## %e oPended

d2 he computer can per0orm o@er#oadin

e2 None o0 these

2 I0 +e ha@e a tree o0 n nodes, its depth can %e ca#cu#ated as

a2 Lo4 n362 6


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%2 Lo4 n

c2 Lo4 n362 6

d2 Lo65 n362 6

e2 None o0 these

652 -hich one o0 the 0o##o+in methods does not chane the oriina# @a#ue o0 the

arument in the ca##in 0unction

a2 Ca## %y passin re0erence o0 the arument

%2 Ca## %y passin the address o0 the arument

c2 Ca## %y passin @a#ue o0 the arument

d2 Ca## %y passin pointer o0 the arument

e2 None o0 these


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ppsc computer mcq

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