You may find help and answers by visiting a site such as www.webopedia.com.

1. Describe the role of the following components of a computer system.

(a) Processor (1)
(b) RAM (1)
(c) Backing storage (1)

2. Describe the difference between CD-ROM, CD-R and CD-RW. (1)

3. What is the meaning of the following terms:

(a) CRT (1)
(b) LCD (1)
(c) TFT (1)

4. Name 2 different operating systems. (1)

5. (a) What is the resolution of a graphic? (1)
    (b) How do we measure the resolution of a graphic? (1)

6. (a) What does USB stand for? (1)
    (b) What is USB used for? (1)

Total (12)

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