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COMPONENTS OF COMPUTER


INPUT DEVICE

 

Keyboard Mouse Scanner Output Device Storage Device Quiz
Keyboard

  • This is where the user enters text commands into the computer.

     

  • The most common keyboards are:

    • 101-key Enhanced keyboard

    • 104-key Windows keyboard

    • 82-key Apple standard keyboard

    • 108-key Apple Extended keyboard

     

  • A typical keyboard has four basic types of keys

    • Typing keys - are the section of the keyboard that contain the letter keys, generally laid out in the same style that was common for typewriters.

     

    • Numeric keypad - a set of 17 keys for data entry.

     

    • Function keys - arranged in a line across the top of the keyboard, could be assigned specific commands by the current application or the operating system.

     

    • Control keys - provided cursor and screen control which include

  • Home

  • End

  • Insert

  • Delete

  • Page Up

  • Page Down

  • Control (Ctrl)

  • Alternate (Alt)

  • Escape (Esc)