Input & Output

Input & Output

1. Input: entering data or instructions into a computer.

   • examples
     • Mouse
     • Keyboard
   • An input device captures data and sends it to a computer system
   • There are two types of input devices
     • Manual
       • Requires a human hand to control it
     • Automatic
       • Input data without the need for human intervention

2. Output: when the results of processing are shown

   • Examples
     • Screen
     • Speaker
   • Used to display or use information that comes out of a computer system