1. Study the text below carefully and use it to answer questions 1(a) to (g).

A.

DISEASES: HOW TO CONTROL THE RISK

Everyday our body wages war against enemies that are silent and unseen but potentially deadly. Foreign invaders, such as bacteria, viruses, and parasites, threaten your health. You are not likely to be aware of those battles because your immune system repels or destroys most of the invaders before the onset of the symptoms.

For thousands of years, people knew virtually nothing about the dangers of microscopic or other small harmful organizations. However, when the 19th-century scientists confirmed the link between germ and diseases, we became better equipped to defend ourselves.

Medical researchers have since eliminated or greatly reduced the threat of some infectious diseases, including smallpox and polio. Recently, however, others, such as yellow fever and dengue, have made a comeback

(a) Write down the application software that was used to create above text.

(b) List two examples of the application software mentioned in (a) above.

(c) Give the name of the text area labelled A.

(d) Write down the name of the font styles applied to the following words in the text

(i) potentially deadly
(ii) harmful organisms
(iii) medical researches

(e) Write down the type of alignment applied to the paragraphs labelled B,C and D in the text.

(f) List the steps used in underlining the words in the text area labelled A, which was typed with the caps lock key on

(g) write down the name given to the process of applying the various styles and paragraphs to the text

2. (a) Using the table below, indicate where the following components can be seen on the computer
system unit.

CD/DVD slot, CPU, Floppy disk slot, Memory, Motherboard, Power button, Power supply port, PS/2 port, VGA port.

(b) What is copyright?

3. Explain the following computer terms:

(a) Hardware

(b) Network

(c) Software

(d) Virus

4. (a) State the function of each of the following devices:
(i) Floppy disk

(ii) Keyboard

(iii) Uninterruptible power supply

(b) Explain each of the following terms:
(i) Clicking;

(ii) Dragging

5. State three uses of computers each of the following areas:

(a) Education;

(b) Everyday life