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5555CH
AP
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Input and Output
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Competencies1. Keyboards2. Direct-entry input devices3. Terminals4. Voice recognition systems5. Monitors and their standards6. Printers and plotters7. Voice-output devices
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OverviewInput and
outputBinary
languageOutput devices
do the reverse
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Data Entry
Keyboard entryDirect entry
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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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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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Keyboard EntryCtrl, Alt and Shift keys
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Keyboard Entry
Terminals Dumb terminal Intelligent terminal Network terminal Internet terminal
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Direct Entry
Machine-readable format
Three categoriesPointing devicesScanning devicesVoice-input devices
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Pointing Devices
MouseTrackballTouch-surfaceTouch screen
TraditionTraditional al
keyboardkeyboard
TraditionTraditional al
keyboardkeyboard
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Pointing Devices
Light pen Digitizer Digital camera Digital notebook
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Pen-based computer: Pen-based computer: recording inventory recording inventory Pen-based computer: Pen-based computer: recording inventory recording inventory
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Scanning Devices
Image scanner Fax machine Bar-code readers
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Fax Machines
Fax machine Fax modem cards
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Bar-Code Readers
Photoelectric scanners
Bar code
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Scanning DevicesMagnetic-ink character
recognition (MICR)Optical-character recognition
(OCR) Optical-mark recognition (OMR)
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Voice-Input DevicesConvert
speech into digital code
MicrophoneVoice
recognition systems
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Voice Recognition SystemsContinuous
speechDiscrete-word
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Monitor Standards
VGA Super VGA or SVGA XGA
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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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Monitors
CRTsFlat-Panel or LCD
Passive-matrix or dual-scanActive-matrix
Pixel size
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Printers
Ink-jet PrinterLaser Printer
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Printers
Thermal PrinterDot-matrixChain printer
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Plotters
Pen PlotterInk-Jet PlotterElectrostatic
PlotterDirect Imaging
Plotter
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PlottersDirect Imaging Plotter
Electrically heated pins create images on heat-sensitive paper
Expensive paper required
Two-color output only
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Voice-Output Devices
Prerecorded vocalized soundsA sound card and a
speaker system
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A Look into the Future
Digital TVFederal Communications
CommissionPC/TV
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