A typical keyboard has four basic types of keys: Typing keys, Numeric
keypad, Function keys and Control keys.
[
en
KEYBOARD
]
Many "ergonomic" keyboards work according to one principle; angling the two halves of the main
keypad to allow the elbows to rest in a more natural position.
[
en
INPUTDEVICE
]
It has one set of tasks to perform, very straightforward input to expect (a numbered
keypad and a few pre-set buttons) and simple, never-changing hardware to control.
[
enHOW OPERATING SYSTEMS WORK ]
LPD MCD MCLH
05/12/2010
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