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Output devices (Printers (Dot matrix printers (Disadvantages (:red_cross:…

- - - - :check: Can be used with continuous stationery (ideal for: stock lists, invoices...).
      - :check: Cheaper to use than inkjet printers.
      - :check: Can be used to print multi-part (useful if you need to send the printout to different places).
    - - :red_cross: Low quality printouts.
      - :red_cross: Useless for printing graphics.
      - :red_cross: Very noisy.
      - :red_cross: More expensive than inkjet printers.
  - - - :check: Many people can see what is being presented.
      - :check: Can show video to a large audience who may be seated a few metres from the screen.
    - - :red_cross: Cooling fans create noise.
      - :red_cross: Requires a dark room to see well.
      - :red_cross: Quality of image not as good as on a computer.
      - :red_cross: Requires the user to know how to set up and run the equipment.
  - - - :check: Do not produce ozone or organic vapours that can cause health problems.
      - :check: High quality print (for photographs, brochures...)
      - :check: Small compared to laser printers.
      - :check: Quiet (important in offices)
      - :check: Usually cheaper than laser printers.
    - - :red_cross: Cost of ink cartidges = high.
      - :red_cross: Ink smudges when the paper gets damp.
      - :red_cross: Cartidges do not last long.
  - - - :check: No need to use the services of professional printer shops.
      - :check: Can be used to print maps, banners, plans...
      - :check: Can print on paper larger than A4.
    - - :red_cross: Expensive when you don't use it often.
      - :red_cross: Are quite large.
  - - - :check: Fewer problems compared to inkjet printers.
      - :check: No wet pages that smudge - inkjet pages can smudge.
      - :check: High printing speed - essential when many people work at the same time.
      - :check: Cheap to run.
      - :check: Supplies last longer - the cartidge lasts longer than Inkjet printers' cartidges.
      - :check: High quality printouts.
      - :check: Very quiet so useful to use in offices.
    - - :red_cross: Colour lasers are expensive.
      - :red_cross: Power consumption = high.
      - :red_cross: Expensive to buy but cheap to run.
      - :red_cross: Most of them are larger than inkjet printers.
  - - - :check: Cheaper to use 3D printers than make things by hand.
      - :check: Easier than making things by hand.
      - :check: Converts designs to prototypes very fast.
    - - :red_cross: Dangerous weapons can be printed with a 3D printer.
      - :red_cross: Limited number of materials that can be used to print something.
      - :red_cross: Not so detailed products.
- - - - :check: Thin so take up less space.
      - :check: Less glare on the screen than with CRT monitors.
      - :check: Wide viewing angle so it is useful for groups to watch.
      - :check: Much more energy efficient than CRT monitors.
    - - :red_cross: Not as good as graduating shades of colour compared to an LED monitor.
      - :red_cross: Not so good when used in dimly-lit rooms.
      - :red_cross: Not as energy efficient as a LED monitor.
  - - - :check: Much lighter than CRT monitors
      - :check: Very energy efficient compared to CRT and LCD monitors.
      - :check: Very thin.
      - :check: Good picture quality when watching sports or playing games.
    - - :red_cross: More expensive compared to LCD monitors.
      - :red_cross: Visibility poor when sitting off-centre.
  - - - :check: Thin - do not take much space.
      - :check: Cheaper as they use less power than CRT monitors.
      - :check: Light - so can be used in laptop computers.
      - :check: They can be easy positioned to suit the user as they are light.
      - :check: Radiation given off is less than that by CRT monitors.
      - :check: They don´t get as hot as CRT monitors and they don´t waste so much energy.
      - :check: No glare on the screens.
      - :check: Ideal when only one person needs to view the screen.
    - - :red_cross: Not easy to repair so it is cheaper to replace them but that is not very environmentally friendly.
      - :red_cross: Narrow viewing angle so it is less useful if many people have to view the screen.
  - - - :check: Can be used with a light pen to produce and edit drawings using CAD software.
      - :check: Sometimes used when many people have to see the monitor.
    - - :red_cross: There can be glare on the screen.
      - :red_cross: Very heavy and difficult to move from place.
      - :red_cross: They generate a lot of heat.
      - :red_cross: Flicker can cause headaches and eyesight problems.
      - :red_cross: Take up a large amount of space.