Input & Output Devices

Input & Output Devices

1. Input

   • Mouse
     • Moving a mouse along a flat surface can move the on-screen cursor to different items on the screen.
   • Key Bord
     • Used to input data by typeing
   • Web cam
     • feeds or streams its image in real time to or through a computer to computer network
   • trackball
     • a small ball that is set in a holder and can be rotated by hand to move a cursor on a computer screen.
   • Joystick
     • a games controller
   • Microphone
     • Microphones are used to input sound.

2. Output

   • Monitor
     • Displays the data
   • Laser printers
     • cuts into matirial in the disign given by computer
   • Ink-jet printers
     • Used to print text or images
   • Plotters
     • A plotter can be used to produce high quality, accurate, A3 size or bigger drawings.
   • speaker
     • Outputs sound