Input and output devices

Input and output devices

1. Input

   • Keyboard
     • Inputs when key(s) are being pressed down
   • Mouse
     • Inputs when user moves or clicks the mouse
   • Scanner
     • Converts text or image into a digital format
   • Graphics tablet
     • Controls the computer by using a stylus on a a tablet
   • Webcam
     • Inputs video and images directly to the computer
   • Sensor
     • Takes and input when it detects physical movements around the environment

2. Output

   • Monitor
     • Outputs image to the user
   • Projector
     • Outputs image directly onto a wall
   • Plotter
     • Outputs drawing on a large computers
   • Speakers
     • Outputs sound waves from the soundcard to the user
   • Headphones
     • Output sounds as an alternative to speakers