Output devices

Output devices

1. Printers

   • Laser Printer
     • Uses laser beam to form characters on the paper. It is very common in homes and can print in colour and Black&White
     • Advanatages
       • High printing speed.
       • Print very quietly compared to an ink jet printer
       • Tonner lasts longer
     • Disadvanatges
       • Very expensive, compared to other printers.
       • Expensive to repair
       • Bulky, larger than ink et printers
     • Output media is the printed hard copy.
   • Ink-Jet Printer
     • They work by spraying ink onto the paper.
     • Advanatges
       • Cheap to buy.
       • Produce high quality printouts
     • Disadvanatges
       • High cost of cartridges
       • Ink can smudge

2. Speakers

   • They are a very important output device. It can be used to listen to music, listen and watch videos and receive photo calls over the internet.
   • Advanatges
     • Everyone in the room can hear the output from the computer
     • It can help blind people use their computer because text can be converted into sound
   • DIsadvanatges
     • The output from the speakers can disturb others
     • Some speakers may be expensive

3. Plotters

   • They are specialist type of printers which can be used to produce accurate and high quality drawings.
   • Advantages
     • Can print in large sizes
     • Can print high quality drawings
   • Disadvanatges
     • Plotters are slower than printers because each line is drawn separately
     • Expensive

4. Screens

   • Most commonly used output. It allows users to view processed information.

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