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Softcopy Devices
Hardcopy Devices
Impact Printers
Non-Impact Printers
Visual Display Units
100
Used to create and deliver dynamic presentations containing sound, photos, video and moving graphics.
What is a multimedia projector?
100
A method used to archive large amounts of computer documents by reducing them in size.
What is COM (Computer output on microfilm/microfiche)?
100
Useful for low-quality carbon copy printing of text.
What is a dot matrix printer?
100
Produces high-quality prints, one page at a time.
What is a laser printer?
100
The inside of the screen is coated with phosphorescent material.
What is a CRT (Cathode Ray Tube)?
200
Alternative to speakers.
What are headphones?
200
Used to draw high-quality, high-resolution graphics, charts and maps.
What is a plotter?
200
Produces printouts similar to that of an electric typewriter.
What is a daisy wheel printer?
200
Sprays liquid ink onto a plain sheet of paper.
What is an inkjet printer?
200
LCD and Plasma are two types of this VDU.
What is a flat panel display?
300
Used in many phone banking systems to give account balances and other information to customers.
What is a voice response system?
300
Used to present and store all kinds of information on paper.
What is a printer?
300
These impact printers are all line printers.
What are drum, chain or band printers?
300
Usually embedded in other machines e.g. some ATMs (Automated Teller Machines).
What is a thermal printer?
300
Determines the sharpness and clarity of the images shown on a display screen.
What is resolution?
400
Converts written text to sound for the benefit of hearing and speech impaired persons.
What is speech synthesis?
400
Produces output on paper without using a striking mechanism.
What is a non-impact printer?
400
This is the noisiest printer, and uses continuous paper with tractor feed.
What is a dot matrix printer?
400
Uses powdered ink called toner.
What is a laser printer?
400
Tiny dots of coloured light that make up images and text.
What are pixels?
500
Visual and sound ouput devices.
What are the two main categories of softcopy output devices?
500
Converts text into a form that is useful for blind persons.
What is a braille printer?
500
Uses moulded metal characters mounted on extension arms attached to a rotating wheel.
What is a daisy wheel printer?
500
An inkjet printer uses two of these - one black and one colour.
What is an ink cartridge?
500
Measured as the diagonal distance across a monitor screen.
What is monitor size?