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본문내용
Input Devices
Input devices are used to feed data and instructions to the computer systems.
They consist of a range of devices that take data and programs from the outside world that people can read or comprehend and convert them to a form that the computer can manipulate.
The form of the input devices :
Keyboard, Pointing device
Writing & drawing input devices
Video, Text, voice input
Key board
It’s similar as normal typewriter keyboard, plus a number of special keys.
Standard keys are used to enter words & numbers. Special keys so called “function keys” labeled as F1,F2 ... are used to enter commands.
A numeric keypad that resembles an electronic calculator’s keypad.
Input devices are used to feed data and instructions to the computer systems.
They consist of a range of devices that take data and programs from the outside world that people can read or comprehend and convert them to a form that the computer can manipulate.
The form of the input devices :
Keyboard, Pointing device
Writing & drawing input devices
Video, Text, voice input
Key board
It’s similar as normal typewriter keyboard, plus a number of special keys.
Standard keys are used to enter words & numbers. Special keys so called “function keys” labeled as F1,F2 ... are used to enter commands.
A numeric keypad that resembles an electronic calculator’s keypad.
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