input and output devices

Question 1

what are the types of printers?

Answer 1

impact and non-impact

Question 2

what are impact printers?

Answer 2

dot matrix printer

Question 3

what is a dot matrix printer?

Answer 3

it uses pins to print a partern of dots on a paper.

Question 4

what is a dot matrix printer mainly used for?

Answer 4

it is mainly used for printing out multiple copies using carbon paper

Question 5

what are some characteristics of a dot matrix printer?

Answer 5

• uses a set of small pin head hammers and a ribbon to form images from dots
• used for documents that needs to be printed on thick paper
• prints multiple copies using carbon paper
• has a poor print quality

Question 6

what are ink-jet printers?

Answer 6

uses a nozzel-like print head to spay ink onto a medium

Question 7

what are some characteristics of an ink-jet printer?

Answer 7

• prints in black and white
• good print quality
• slow speed; print 4-6 pages per minute
• uses print cartridges

Question 8

what is a laser printer

Answer 8

uses a laser beam or light to transfer text and images onto paper

Question 9

what are some characteristics of a laser printer?

Answer 9

• prints high resoloution images at faster rates than an ink-jet printer; 8-12 pages per minute
• uses print tones instead of cartridges
• usedin offices for high quality printing

Question 10

what is a 3D printer?

Answer 10

it creates three dimensional objects using a wide range of materials; plastic or nylon

Question 11

what are some characteristics of a 3d printer?

Answer 11

takes hours and days

Question 12

what is a plotter?

Answer 12

it uses coloured pens or toners to draw an image on paper

Question 13

what are some characteristics of a plotter?

Answer 13

• produces a very large image
• usedfr architecture dawings, event signage and wallpaper murals