Keyboards are also used for computer gaming, either with regular keyboards or by using keyboards with special gaming features, which can expedite frequently used keystroke combinations. A computer keyboard distinguishes each physical key from every other and reports all key presses to the controlling software.
In a modern computer, the interpretation of key presses is generally left to the software. In normal usage, the keyboard is used to type text and numbers into a word processor, text editor or other program. While most keyboard keys produce letters, numbers or signs (characters), other keys or simultaneous key presses can produce actions or computer commands. However, to produce some symbols requires pressing and holding several keys simultaneously or in sequence. With the decline of punch cards and paper tape, interaction via teletype-style keyboards became the main input device for computers.ĭespite the development of alternative input devices, such as the mouse, touchscreen, pen devices, character recognition and voice recognition, the keyboard remains the most commonly used and most versatile device used for direct (human) input into computers.Ī keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. In computing, a keyboard is a typewriter keyboard, which uses an arrangement of buttons or keys, to act as mechanical levers or electronic switches.
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