cab lecture 01&02
TRANSCRIPT
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Computer Applications inBusinessMGT-312
Credits Hours: 3
Instructor: Meer Qaisar
Javed
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!at is In"ormation Tec!nolo#$
Fusion of computer and communication
technology
Computer Technology
programmable, multiuse machine that accepts dataand processes it into usable information
summaries, totals, or reports
used to speed up problem solving and increaseproductivity.
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!at is In"ormation Tec!nolo#$
Communication Technology
consists of electromagnetic/optical devices and systems
for communicating over long distances
InfoTech or IT is any technology that helps to produce,
manipulate, store, communicate, and/or disseminate
information
merges computing with high-speed communications
lins carrying data, sound, and video
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%&ercise
Ho' !ave $ou (een usin# computer
Tec!nolo#$ in $our li"e)
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%&ercise
Ho' !ave $ou (een usin#
communication Tec!nolo#$ in $our
li"e)
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*ome e&les o" IT
Image !orphing
changing "or morphing# one image into another through aseamless transition
Image Courtesy$ http$//en.wiipedia.org/wii/!orphing
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Image !orphing%
Turbo Teen
Image Courtesy: www.retrojunk.com/details_articles/567/
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*ome e&les o" IT
First &erson 'ames
()ample$ 'olden (ye **+ &lay as **+ yourself
Complete missions based on the lm
Fight Intelligent (nemies
Image Courtesy$http$//en.wiipedia.org/wii/'olden(ye**+
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ideo Conferencing
*ome e&les o" IT
Image Courtesy: www.ivci.com/newsletter0907art!."tml
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'& Tracing
Trac your vehicles, wherever they go, using'&.
*ome e&les o" IT
Image Courtesy:www.miamidetectiveservices.com
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T!e Computer +e,ned
0 device that computes
(lectronic device
Converts data into information
!odern computers are digital
Two digits combine to mae data "1s and *s#
2lder computers were analog
0 range of values made data
1A-11
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Communication +e,ned Communication$ To transfer data/information from
one point to another
3sing 4ires
(lectrical ignals
2ptical ignals "5ight#
4irelessly
(lectro!agnetic 4aves
0coustic 4aves "ound# 6.%
3sing 0nalog ignals
3sing 7igital ignals
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elated IT terms
4hat is a 8etwor%
communications system connecting two or
more computers with/without wires
4hat does being online mean%
using a computer or other information device,
connected through a voice or data networ,to access information and services from
another computer or information device
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elated IT terms
Cyberspace
encompasses the whole wired and wireless world ofcommunications
The Internetthe 9networ of all networs:
!ultimediatechnology that presents information in more thanone medium, such as te)t, still images, movingimages, and sound
4orld 4ide 4eb9graphical side of the Internet:
global networ of lined documents on the Internet
l d
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elated IT terms
The (-word ; ( tands for (lectronic
(-mail
(-learning
(-business
(-commerce
(-government
C . I di id l /
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Computers .or Individual /se
7estop computers
The most common type of computer its on the des or
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Computers .or Individual /se
8oteboo computers
mall portable computers 4eighs between > and ? pounds
0bout ? @ by 11 inches
Typically as powerful as a destop Can include a docing station
1A-1
% i
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%&ercise
Contrast destop and noteboo
computers. Focus on the pros and cons ofeach type of computer.
omp ers or n a
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ompu ers or n v ua/se
Tablet computers
8ewest developmentin portable computers
Input is througha pen
Aun speciali=edversions of oBceproducts
1A-1
C t . I di id l /
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Computers .or Individual /se
andheld computers
ery small computers &ersonal 7igital 0ssistants "&70#
8ote taing or contact management
7ata can synchroni=e with a destop mart phones
ybrid of cell phone and &70
4eb surng, e-mail access
1A-2
* t 4! Bl 5 B
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*mart 4!one: Blac5 Berr$
Features
&hone I!
Internet "(mail, Drowsing#
Camera ideo Aecording
C t . 6 i ti
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Computers .or 6r#ani7ations
8etwor servers
Centrali=ed computer 0ll other computers connect
&rovides access to networ resources
!ultiple servers are called server farms 2ften simply a powerful destop
1A-22
ompu ers or
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ompu ers or6r#ani7ations !ainframes
3sed in largeorgani=ations
andle thousandsof users
3sers accessthrough a terminal
7umb Terminal
Intelligent Terminal
1A-23
C t . 6 i ti
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Computers .or 6r#ani7ations
!inicomputers
Called midrange computers &ower between mainframe and destop
andle hundreds of users
3sed in smaller organi=ations 3sers access through a terminal
1A-28
ompu ers or
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ompu ers or6r#ani7ations
upercomputers
The most powerfulcomputers made
andle large andcomple)
calculations &rocess trillions of
operations persecond
Found in researchorgani=ations
1A-29
Comp ters % er !ere
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Computers %ver$'!ere
8ot Eust 7estops, 4orstations, Tablet
&Cs, andheld &Cs "&70s#, ervers,!ainframe computers, !inicomputers
Dut also6
Cell phones 0larm Clocs
!icrowave 2vens
5ighting control in a building 4ashing !achines
Computers In *ociet$
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Computers In *ociet$
!ore impact than any other invention
Changed wor and leisure activities 3sed by all demographic groups
Computers are important because$
&rovide information to users Information is critical to our society
!anaging information is diBcult
1A-2
%&ercise
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%&ercise
1. 'enerate a list of ways the computer/IT
has impacted the world. Include both positive changes and negative
changes.
thin creatively.
. ow diBcult would it be to live
without computers%
Computers In *ociet$
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Computers In *ociet$
Computers in government
8ecessary to trac data for population&olice oBcers
Ta) calculation and collection
'overnments were the rst computer users
1A-2
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Movin# on to Computer
!at is a computer)
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!at is a computer)
Input&rocessing /Computation
2utput
a device that computes
!at is 4rocessin#)
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!at is 4rocessin#)
Conversion of 7ata into Information
7ataThe raw facts and gures that are processed
into information
Information 7ata that has been summari=ed or otherwise
manipulated for use in decision maing
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T$pes o" +ata
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T$pes o" +ata
8umeric
Aecord 7aily !il ()pensesun * As
!on >* As
Tues >G As
4ed > As
Thurs >H As
Fri G* As
at >* As
T$pes o" +ata
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T$pes o" +ata
8umeric
&rocessing 7ataFinding 4eely e)penditure on !il
Finding a 7aily 0verage of mil e)penditure
*,>*,>G,>,
>H,G*,>* Find Total/0verage />1.+
T$pes o" +ata
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T$pes o" +ata
Te)t
Aaw$
one of the most important concepts students must understand is
the fundamental dierence between data and information
&rocessed "1#$ Formatted
92ne of the most important conceptsstudents must
understand is the fundamental diference between data
and inormation.:
&rocessed "#$ 4ords arranged alphabetically
and between concepts data dierence fundamental important
information is most must of one students the the understand
T$pes o" +ata
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T$pes o" +ata
Image
Aaw
&rocessed
T$pes o" +ata
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T$pes o" +ata
Image
2ther ()amplesFingerprint Aecognition
0rrangement of your photo albums on &C
T$pes o" +ata
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T$pes o" +ata
0udio
Aaw$ Conversation between people in cocpitof aircraft and Flight Controller recorded inDlac bo)
&rocessed$ In case of air crash, the recordedaudio will be converted to digital form,bacground noise will be removed, and theclarity of speech will be improved to assist
investigators
T$pes o" +ata
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T$pes o" +ata
ideo
Aaw$ 2ld Dlac and 4hite movies &rocessed$ Dlac and white movie made
colored
Aaw$ 0ny ideo in foreign language
&rocessed$ 7ub it in 3rdu
Assi#nment ; 2
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Assi#nment ; 2
Thin and name any other form of 7ata.
2ther than numeric, te)t, image, audio, videoThin and describe in what ways can that
form of 7ata be processed.