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Computing (FOLDOC) dictionary (also found in English - Vietnamese, English - English (Wordnet), )
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hardware A hardware device consisting of a number of
mechanical buttons (keys) which the user presses to input
characters to a computer.
Keyboards were originally part of terminals which were
separate peripheral devices that performed both input and
output and communicated with the computer via a serial line.
Today a keyboard is more likely to be connected more directly
to the processor, allowing the processor to scan it and detect
which key or keys are currently pressed. Pressing a key sends
a low-level key code to the keyboard input driver routine
which translates this to one or more characters or special