Softcopy Devices
Hardcopy Devices
Impact Printers
Non-Impact Printers
Visual Display Units
100
Sound and visual.
What are the two main categories of softcopy output devices?
100
Dot matrix, daisy wheel and thermal.
What are character printers?
100
The noisiest impact printer used to produce low-quality carbon copy printing.
What is a dot matrix printer?
100
Uses a powdered ink called toner.
What is a laser printer?
100
Determines the clarity and sharpness of the image displayed on a computer screen.
What is resolution?
200
Used to create and deliver dynamic presentations involving sound, photos, video and moving graphics.
What is a multimedia projector?
200
Drum, chain, band and inkjet.
What are line printers?
200
Produces prints resembling that of an electric typewriter.
What is a daisy wheel printer?
200
Sprays liquid ink onto a sheet of plain paper.
What is an inkjet printer?
200
LCD and Plasma.
What are flat panel displays?
300
Alternative to speakers.
What are headphones or earphones?
300
Most suitable for producing architectural drawings.
What is a plotter?
300
These line printers are also impact printers.
What are drum, chain and band printers?
300
Usually embedded in other machines e.g. some ATMs.
What is a thermal printer?
300
The inside of the screen is coated with phosphorescent material.
What is a CRT?
400
Used for computer-aided conversations by hearing and speech impaired persons.
What is speech synthesis?
400
Used for archiving large amounts of computer documents by reducing them in size.
What is COM (Computer output on microfilm or microfiche)?
400
Uses moulded metal characters.
What is a daisy wheel printer?
400
An inkjet printer uses two of these.
What are ink cartridges?
400
Tiny dots of coloured light that form images and text on a display screen.
What are pixels?
500
Used in many phone banking systems to give the customer their account balances.
What is a voice response system?
500
Special purpose printer that converts text into a form that is useful to blind persons.
What is a braille printer?
500
Uses continuous sheets of paper with tractor feed.
What is a dot matrix printer?
500
Produces high-quality prints, one page at a time.
What is a laser printer?
500
The diagonal distance across a monitor.
What is screen size?
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