Output devices

Output devices

1. Digital Projector

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

2. Speakers

   • Used to output sound
   • Essential for multimedia

3. Screen or Monitor

   • LCD
   • Plasma

4. Plotters

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

5. Robotic Arm

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

6. 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