KEYBOARD:

keyboard is a device which contain key. it is also called input device. 

IMPORTANCE:

keyboard plays an important role in the development of science and technology. we are able to

provide knowledge and information with the help of KEYBOARFD. 

keyboard is the most important part of the computer. we are able to use many function by using keyboard. 

we perform mouse function by using keyboard.

 keyboard contain 92 0r 101 keys. each key has a specific role. different kind of keys.

# alphabetic keys # Numeric keys #punctuation keys. # functional keys #alphanumeric keys. #special keys Esc keys etc. some keys are used to combine to perform a task. for example ctrl+c for copy ctrl+b for bold Ctrl+l for italic ctrl+u for underline ctrl+v for paste Ctrl+z for undo Ctrl+y for redo ctrl+s for save function key F5 for refresh function key F7 for grammar spelling chick. ctrl+ A for select all.