1. Give two differences between a desktop computer and a laptop computer. [2 marks]
2. Desktpo computer cosist of a number of components.
Explain the purpose of each of the following components:...
a. Central processing unit (CPU) [1 marks]
b. Internal memory devices [1 marks]
c. Backing storage [1 marks]
3. Give the names of:
a. Two input devices. [2 marks]
b. Two Output devices. [2 marks]
c. Two backing storage devices. [2 marks]
4. Computer come in all sizes and can be used in different situations.
a. Describe what is meant by a desktop computer and explain hot it differs from a laptop computer. [3 marks]
b. Netbook computers are becoming very popular differs from a laptop computer. [2 marks]
5. A salesperson travel to newsagents taking orders for sweets using a PDA.
a. Give the meaning of abbrebiation PDA. [1 marks]
b. Give one advantage of using a PDA rather than a laptop computer. [1 marks]
6. Mainfram computer are used by large organizations.
a. Give two features of a mainframe computer. [2 marks]
b. Give two uses for mainframe computers. [2 marks]
7. The letest portable devices are small and many use touchsceens rather than amouse. They are said to use post-WIMP interaction. Explain how each of the following post-WIMP interactions is used.
a. Rotation. [1 marks]
b. Pinching. [1 marks]