Friday, 24 February 2017

Input Device - Keyboard !

The keyboard is the most common input device for entering numeric and alphabetic data in to a computer system by pressing a set of keys which are mounted on the keyboard, which is connected to computer system.
The keys on computer keyboards are often classified as follows:
Alphanumeric Keys - letters and numbers.
Punctuation Keys - comma, period, semicolon, and so on.
Special Keys - function keys, control keys, arrow keys, Caps Lock key, and so on.


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