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Chapter 2: Input & OutputDevicesPart 1: Manual InputDevices
Part 2: Direct Input DevicesPart 3: SensorsPart 4: Output DevicesPart 5: Control Devices
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Chapter 2: Input & OutputDevices
Part 1: Input DevicesKnow the purpose of and be ab e toi entify di!erent "anua input devices#
$nderstand the uses of each "anua inputdevice#
%e ab e to iscuss a vantages andisa vantages of each "anua input
devices#
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Part 1: Input DevicesDe nition: 'ardware devices that a ow datato be entered into a co"puter#
Part of the 4 "ain co"ponents of aco"puter s(ste"#
Input data )et data into the co"puter
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Part 1: Input Devices *wo di!erent t(pes of input devices:
1! Manual Input Devices "ata is input into the computer
#y han $people have to omost of the %or '
(! Direct Input Devices )ata is input into the computerirectly #y a machine* evice
$minimal input #y people'
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Part 1: Input Devices1! Manual Input Devices
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Part 1: Input Devices1! Manual Input Devices
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Part 1: Input Devices1! Manual Input Devices+e wi see each "anuainput devices accordin) to
these e e"ents:1! Information(! +ses
,! - vantages.! Disa vantages
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Part 1: Input Devices1! Manual Input Devices
Infor"ation: used to input te/t0num#er an instructions #
$ses: used to input data intoapplications and comman s #
,dvanta)es: fast entry of te/t0easy to use0 instantly appears onscreen0 uic ly chec !
Disadvanta)es: wrist and handprob e"s- painfu - enterin) data iss ow co"pare to auto"atic "ethods
Ke(pad
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Part 1: Input Devices1! Manual Input Devices
Infor"ation: enterin) nu"bers into aco"puter s(ste" ./u"eric "eansnu"ber0- si"p e te t and s("bo s#
$ses: ,* .,uto"atic *e er achine0- *e ephone- Chip and Pin Devices
,dvanta)es: faster than ey#oar 0small"can easily 2t on smaller
evices
Disadvanta)es: peop e with ar)ehands hard to use- di cu t to enterte t infor"ation#
/u"eric Ke(pad
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Part 1: Input Devices1! Manual Input Devices
Infor"ation: contro a pointer .cursor0on a screen
$ses: re6uent ( used with 3+I )use to input comman s #yselecting icons
Pointin) Devices
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Part 1: Input Devices1! Manual Input Devices
Infor"ation: as a rep ace"ent to"ouse
$ses: sa"e uses as "ouse
,dvanta)es: easier than 456TYey#oar 0 #ulit into laptop0
%on7t get clogg %ith irt
Disadvanta)es: "ore di cu t tocontro - wrist and hand prob e"s
Pointing Devices
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Part 1: Input Devices1! Manual Input Devices
Infor"ation: ba is on the top-rotatin) the ar)e ba
$ses: sa"e uses as "ouse but "oreco"fortab e to use ."ore er)ono"ic0
,dvanta)es: more accurate0 nolimit of movement
Disadvanta)es: "ore e pensive-di cu t to earn
Pointing Devices
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Part 1: Input Devices1! Manual Input Devices
Infor"ation: contro other devicesusin) infra red si)na s#
$ses: 'o"e entertain"ent s(ste"s:'i i s(ste"s- D7D 8 % u 9a( P a(ers-
ate ite s(ste"s- overheadpro;ectors#
,dvanta)es: useful of people %ithisa#ility0 can #e use in unsafe
environment
Disadvanta)es: infra red can beco"eb oc
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Part 1: Input Devices1! Manual Input Devices
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Part 1: Input Devices1! Manual Input Devices
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Part 1: Input Devices1! Manual Input Devices
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Part 1: Input Devices1! Manual Input Devices
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Part 1: Input Devices1! Manual Input Devices
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Chapter 2: Input & OutputDevices
Part (: Direct Input DevicesKnow the purpose of and be ab e toi entify di!erent "anua input devices#
$nderstand the uses of each "anua inputdevice#
%e ab e to iscuss a vantages andisa vantages of each "anua input
devices#
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Chapter 2: Input & OutputDevices
Part (: Direct Input DevicesMagnetic
Stripe 6ea erChip an PI8
6ea er9arco e6ea er
Optical Mar6ea er $OM6'
Optical
Character6ea er
Magnetic InCharacter
6ecognition$MIC6'
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Chapter 2: Input & OutputDevices
Part (: Direct Input Devices
65M5M956
Direct Input Devices o notre uire much humaninteraction to get their
ata into a computer
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Part 2: Direct Input Devices1# a)netic tripe 9eader
5lements 5/plainationInformation
9ead infor"ation fro""a)netic stripe = %an