Zusammenfassung der Ressource
Output Devices
- Plotter
- Function
- Produce large, accurate drawings
- Blueprints of buildings, maps, giant posters and adverts
- Draw image on the page using coloured pens which
are moved around the paper by a computer
- Drum and flatbed
- Printing on very large pieces of paper
- Advantages
- Produce much larger printouts
- Extremely high quality
- Cut out designs for use in sign making
- Disadvantages
- Very slow
- Very expansive to buy
- Very expansive to maintain
- Dot Matrix Printer
- Disadvantages
- Very noisy
- Very slow
- Very poor quality
- Function
- A set of pins to press an inked ribbon against paper
- Robust and can be used in noisy and dirty environment
- Can make 'Carbon Copies' of a document using special 'Carbon paper'
- Advantages
- Ideal only in dusty and dirty environment
- Cheap to buy and run
- Carbon copies
- Good for continuos printing
- Laser Printer
- Advantages
- Very fast
- Toner cartridges last long
- High volume printouts
- Very quiet
- High quality
- Don't breakdown as easily as inkjet printers
- Cheaper to run than inkjet printer
- Disadvantages
- Environment unfriendly
- Produce ozone
- Use more power than inkjet printers
- More expansive to buy
- Large in size
- Function
- Use toner pressed on a page to produce printed documents
- Buffer memory which stores the information for the whole document
- Using a laser beam to 'draw' onto a drum
- Ink Jet Printer
- Function
- Ink is stored in and delivered to the paper via an ink cartridge
- Small amount of internal memory
- Spraying ink onto a paper
- Idea for single page, low volume printing
- Advantages
- Very high quality
- Cheaper to buy
- Smaller than laser printer
- Do not produce ozone and harmful compounds
- Very quiet
- Disadvantages
- Slow printing rates
- Don't last long
- Espansive to run
- Easily smudge