Chapter 2B

Chapter 2B

1. Printers

   • dot matrix
     • impact printers
       • physical contact between print headand the paper
     • print in colour, black and white and in carbon forms
   • ink jet
     • quiet
     • spray ink
     • relatively cheap as only need to pay for the cartridge
     • print in black and white or colour
   • laser
     • similar to photocopiers
     • produce excellent quality
     • running costs high
     • high quality fast output

2. output devices

   • used to display the result of processing to the user
   • designed to get data from within the computer to outside the computer system
   • different output devices are used for different purposes and is therefore important to choose the most appropriate

3. graphics tablet

   • flat working area, like a sheet of paper with a stylus that resembles a pen
     • become ergonomical over recent years
   • used by designers or anyone involved in drawing directly on the computer
   • movement is detected by the tablet