Output devices (Visual output)

Question	Answer
Why are screens and monitors used?	They are used with a systems to see or work on a finished product
What are CRT monitors?	Monitors with cathode ray tubes behind the screen
Name one advantage and one disadvantage of CRT monitors	They give clear images at a cheap price but they take up a lot of room
What are TFT (LCD) monitors?	Monitors that use liquid crystals to form an image
Name one advantage and disadvantage of TFT (LCD) monitors	They are thin so they can fit in small spaces but the images are not as clear compared to CRTs
Why are digital projectors useful for large audiences?	They project a large version of a monitor output so that everyone can see the image clearly
Name one device that is used for both input & output and is usually used with a digital projector	Interactive whiteboard
What large display can be used in public areas such as shopping centers?	Plasma screen
Why is a small display useful for a mobile phone screen?	They are portable and can fit in your pocket. They can give a good quality image that refreshes quickly
Why are PDAs useful?	They are portable but big enough to be able to display application software. They can be used with a stylus

Resource summary

	Created by Nile Bertram about 7 years ago