Why are screens and
monitors used?

What are CRT monitors?

Name one advantage and one disadvantage of CRT monitors

What are TFT (LCD) monitors?

Name one advantage and disadvantage of TFT (LCD) monitors

Why are digital projectors useful for large audiences?

Name one device that is used for both input & output and is usually used with a digital projector

What large display can be used in public areas such as shopping centers?

Why is a small display useful for a mobile phone screen?

Why are PDAs useful?