{{Expand|date=September 2007}}
{{Unreferenced|date=May 2007}}
'''Alphanumeric keyboards''' include [[typewriter]]s and [[computer]] [[Keyboard (computing)|keyboards]]. An alphanumeric keyboard is a device with many keys (usually marked with the letters of the [[alphabet]], the [[numerical digit]]s, and various extra keys.)

== Computer Keyboards ==
{{main|Keyboard (computing)}}

[[Image:QWERTY keyboard.jpg|thumb|300px|right|A computer keyboard]]

After [[punch cards]] and paper tape, interaction via [[teletype]]-style keyboards became the main input device for computers. During the 1980s and 1990s almost all computers came equipped with them as the main form of interaction, and most users are familiar with using them.

There are different types of [[Keyboard technology| keyboard technologies]].

The most popular [[Keyboard layout|layout]] of keys on the modern-day English keyboard is called the [[QWERTY]] design, based on the most popular typewriter keyboard layout. This has been further extended to the standard 104-key PC keyboard layout, with the addition of cursor keys, a calculator-style numeric keypad, two groups of special function keys, a key for the [[Windows]] menu (on IBM and clones), and other modifier keys. Some computer manufacturers have added keys specifically related to the Internet and e-mail, but these have not become standard.

The fastest typists (as of 2007) use a [[stenograph]], a kind of [[chorded keyboard]] used by most court reporters and [[closed caption]] reporters.

Despite the development of alternative input devices such as the mouse, touch sensitive screens, pen devices, character recognition, voice recognition, and improvements in computer speed and memory size, the keyboard remains the most commonly used and most versatile device used for direct human input into computers.

== Mechanical Keyboards ==

[[typewriter]]

== Electric Keyboards ==

[[Stenotype]]

[[Key punch]]


== See also ==
* [[Keyboard (computing)]]
* [[British and American keyboards]]
* [[Mouse (computing)]]

[[Category:Keyboards]]

[[id:Papan ketik alfanumerik]]