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Key board
It is an input device.
It has minimum 103 keys.
Categorized asfunction keys (F1 to F12 ), numeric keys (0-9) ,
alphabetic keys (A-Z), symbolic keys , special keys (Enter,
Shift , Esc, Tab, Capslock , Ctrl, Delete, Alt, Home, Ins, Page
Up , Page Down , Pause/Break , Scroll Lock , Num Lock ,
End , Prntscr , Window Key , Space Bar , Menu Key )
There are number of keys on the key board having letters,
numbers and symbols which are called as character.
What we type using key board, it appears on the screen.
That data is called textual data.
Function keys (F1 to F12)
F1:- This key is use to open the help window of different program and
application.
F2:- This key is use to rename a file and folder application and program.
F3:- This key is use for system configuration.
F4:- this key is use to search the file, folder and application from the hard disk or
storage device.
F5:- This key is use to refresh the system.
F6:- It is use for save the document or data.
F7:- It helps to identify the spelling error and word error.