CAB Lecture 01&02

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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&amples 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&amples 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&amples o" IT

    Image Courtesy: www.ivci.com/newsletter0907art!."tml

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    '& Tracing

    Trac your vehicles, wherever they go, using'&.

    *ome e&amples 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.