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There is no standard computer keyboard, although many manufacturer companies imitate the keyboards of PC's. Mainly keyboard are categorized into three parts.

  • PC keyboard, with 84 keys
  • AT keyboard, also with 84 keys
  • AT enhanced keyboard, with 101 keys

There are several different types of keyboards for the Apple Macintosh. All of them are called ADB keyboards because they connect to the Apple Desktop bus (ADB). The two main varieties of Macintosh keyboards are the standard keyboard and the extended keyboard, which has 15 additional special-function keys. Microsoft product keyboard has 103 keys with 3 special-function keys. IBM keyboard has 101 keys.

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14y ago

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