X hits on this document

121 views

0 shares

0 downloads

0 comments

28 / 59

Output Devices:  Monitors and Projectors

CRT (cathode ray tube) monitors

Used to be the most common type of computer monitors until LCD monitors began to gain popularity

Use three electron beams to create colors, red, green, and blue. To generate the color white, all three beams are fired simultaneously. To create the color black, all three beams are turned off. Other colors are created using different mixtures of these three color beams.

Inexpensive and dependable for displaying images on screen.

Also found in conventional TV sets.

LCD (liquid crystal display) monitors

Produce images by manipulating light within a layer of liquid crystal cells

Also known as flat-panel screens

Compact, lightweight, easy-to-read, and emit less radiation compared to CRT monitors

Used in notebook computers and desktop computers

Document info
Document views121
Page views121
Page last viewedSun Dec 04 04:43:52 UTC 2016
Pages59
Paragraphs965
Words5033

Comments