lockley155 chapter input and output. lockley2 competencies 1. keyboards 2. direct-entry input...
TRANSCRIPT
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Lockley 1
5555CH
AP
TE
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Input and Output
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Lockley 2
Competencies1. Keyboards2. Direct-entry input devices3. Terminals4. Voice recognition systems5. Monitors and their standards6. Printers and plotters7. Voice-output devices
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Lockley 3
OverviewInput and
outputBinary
languageOutput devices
do the reverse
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Lockley 4
Data Entry
Keyboard entryDirect entry
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Lockley 5
Data EntryPoint-of-sale
(POS)keyboardbar scanningWand readerPlatform
scanner
A Point-of-sale A Point-of-sale transactiontransactionA Point-of-sale A Point-of-sale transactiontransaction
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Lockley 6
TraditionTraditional al
keyboardkeyboard
TraditionTraditional al
keyboardkeyboardEscape keyEscape keyEscape keyEscape key
Navigation Navigation keyskeys
Navigation Navigation keyskeys
Function keysFunction keysFunction keysFunction keys
SpacebarSpacebarSpacebarSpacebar
Numeric keypadNumeric keypadNumeric keypadNumeric keypad
Windows keyWindows keyWindows keyWindows key
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Lockley 7
Keyboard EntryCtrl, Alt and Shift keys
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Lockley 8
Keyboard Entry
Terminals Dumb terminal Intelligent terminal Network terminal Internet terminal
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Lockley 9
Direct Entry
Machine-readable format
Three categoriesPointing devicesScanning devicesVoice-input devices
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Lockley 10
Pointing Devices
MouseTrackballTouch-surfaceTouch screen
TraditionTraditional al
keyboardkeyboard
TraditionTraditional al
keyboardkeyboard
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Lockley 11
Pointing Devices
Light pen Digitizer Digital camera Digital notebook
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Lockley 12
Pen-based computer: Pen-based computer: recording inventory recording inventory Pen-based computer: Pen-based computer: recording inventory recording inventory
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Lockley 13
Scanning Devices
Image scanner Fax machine Bar-code readers
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Lockley 14
Fax Machines
Fax machine Fax modem cards
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Lockley 15
Bar-Code Readers
Photoelectric scanners
Bar code
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Lockley 16
Scanning DevicesMagnetic-ink character
recognition (MICR)Optical-character recognition
(OCR) Optical-mark recognition (OMR)
153
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Lockley 17
Voice-Input DevicesConvert
speech into digital code
MicrophoneVoice
recognition systems
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Lockley 18
Voice Recognition SystemsContinuous
speechDiscrete-word
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Lockley 19
Monitor Standards
VGA Super VGA or SVGA XGA
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Lockley 20
Cables Cable Port Devices
Parallel printer, CD-ROMdrive, Zip drive
USB modem, joy stick,scanner
Cable Port Devices
Parallel printer, CD-ROMdrive, Zip drive
USB modem, joy stick,scanner
Serial mouse, modem, keyboard
Video monitor
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Lockley 21
Monitors
CRTsFlat-Panel or LCD
Passive-matrix or dual-scanActive-matrix
Pixel size
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Lockley 22
Printers
Ink-jet PrinterLaser Printer
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Lockley 23
Printers
Thermal PrinterDot-matrixChain printer
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Lockley 24
Plotters
Pen PlotterInk-Jet PlotterElectrostatic
PlotterDirect Imaging
Plotter
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Lockley 25
PlottersDirect Imaging Plotter
Electrically heated pins create images on heat-sensitive paper
Expensive paper required
Two-color output only
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Lockley 26
Voice-Output Devices
Prerecorded vocalized soundsA sound card and a
speaker system
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Lockley 27
A Look into the Future
Digital TVFederal Communications
CommissionPC/TV
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Lockley 28