A BAT keyboard is a one-handed keyboard consisting of a base, on which the hand rests, and seven keys. Through pressing combinations of keys, one can attain the same functions as a regular keyboard. A computer keyboard is a peripheral modeled after the typewriter keyboard. ... The word key has several uses: A key (lock) as a physical object (tool) used to manipulate a lock. ...
The keyboard can be useful for the handicapped and also as a complement to the mouse, on which the other hand can remain. The BAT keyboard exists in left-handed and right-handed versions, which can also be used simultaneously with each other or even with another alphanumeric keyboard if desired. Alphanumeric keyboards include typewriter and computer keyboards. ...
A Microwriter MW4 (circa 1980) A chorded keyboard (also called a chord keyboard or chording keyboard) is a computer input device that allows the user to enter characters or commands formed by pressing several keys together, like playing a chord on a piano. ...
External links
BAT keyboard, imported in the Netherlands by Handicom
BAT keyboard — One-handed desktop chording keyboard
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