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Essay Galaxy - Parts of A Computer and What They Do
Parts of A Computer and What They Do
A key board is simply a way that the user may interface a fixed
number of commands (equal to the number of keys that the manufacturer
places on the board). The standard keyboard for home PCs is a QWERTY key
board, but they are not restricted to this format as in industry they can
be used to send different common commands to a computer for example a farm
may have a key board controlling the environmental setting in the sheds
with a button to dim the lights or turn them up or a button to turn on the
water supplies.
The keys on a QWERTY keyboard will work in two different way.
Captive key: When this key is pushed a plunger is pressed down
allowing a current to flow across a pad.
Hard contact: When the key is pressed to conectors are pressed
together forming a physical conection creating a cur....
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Number Of Pages: 10 |
Number Of Words: 2568 |
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