翻訳と辞書
Words near each other
・ kernal
・ kernel
・ kernel parlog
・ kernel user interface package
・ kerning
・ kevo
・ key
・ key escrow
・ key field
・ key frame
・ keyboard
・ keyboard commando
・ keyboard plaque
・ keyboard send receive
・ keyboard video mouse
・ keyed sequenced data set
・ keyed-hashing message authentication
・ keynote software
・ keypal
・ keyspell


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Keyboard : FOLDOC
keyboard
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 actions.
Keyboards vary in the keys they have, most have keys to generate the ASCII character set as well as various {function keys} and special purpose keys, e.g. reset or volume control.
(2003-07-04)



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