Output devices

Output devices

1. Screen or Monitor

   • LCD/TFT
   • Plasma

2. Printers

   • Laser
     • Uses toner
     • Toner cartridges last longer
     • More expensive to buy
     • Cheaper to run
     • Very fast
     • Ink-Jet
       • Ink tends to smudge
       • Expensive to run
       • Cheap to buy
       • Fairly slow
       • Ink cartridges are expensive
       • Sprays ink onto page

3. Speakers

   • Used to output sound
   • Essential for multimedia

4. Digital Projector

   • Used to project computer screen onto large screen
   • Can be viewed by lots of people at once

5. Plotters

   • Uses a series of coloured pens
   • Used by architects, designers, etc.
   • Can produce drawings to scale
   • Used to print maps and plans

6. Robotic Arm

   • Packing, paint spraying, welding, assembling, etc.
   • Can be programmed to perform different tasks
   • Used to follow instructions