Input & Output Hardware
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Transcript of Input & Output Hardware
Input & Output Hardware
Chapter 6
Taking Charge of Computing and Communications
Input Hardware
Keyboards Mouses and other pointing devices Source Data Entry Input Devices
Keyboards
You already know about these. Any Questions?
Mouses (Mice) Etc.
Mouse Trackball Pointing Stick (pencil eraser on laptop) Touchpad (normally laptop) Joystick & other game controllers Light pen Digitizing tablet
Source Data Entry
Scanning Devices– Bar Code Readers– Mark Recognition
OMR (Tests) MICR
– Optical Character Recognition
Fax
Source Data Entry (cont)
Imaging Systems– Scanner
Flatbed Sheetfed Handheld
Audio Input Video Input including Digital Camera
Esoteric Source Data Entry
Sensors Radio Frequency GPS Voice Recognition
Output Hardware
“Softcopy” vs. Hardcopy
Display Devices
CRT’s Flat Panel Display Display controller Cards
Characteristics of Display systems
Clarity– Resolution– Dot pitch– Refresh rate– Color Depth
Monochrome vs Color
Hardcopy Output Devices
Impact Printers– Dot-matrix– Character printers
Non-Impact printers– Laser– Inkjet– Thermal
Black & White vs. Color
Other Hard Copy Devices
Plotters Multifunction Printers COM (computer output Microfilm)
Other Output Devices
Sound VR
Combination Devices for both Input and Output
Terminal– Dumb– Intelligent– POS
Touch Screen
Cards
Magnetic stripe Smart Cards Optical Cards