Education

Computers have proved to be valuable educational tools. Computer-assisted instruction, or CAI, uses computerized lessons. These programs have become essential teaching tools in medical schools and military training centers. Encyclopedias, on-line courses are available to personal-computer users.

Health and Medicine

Computers help monitor the extremely ill in the intensive care unit and provide cross-sectional views of the body. This eliminates the need for hired nurses to watch the patient twenty-four hours a day. Doctors use computers to assist them in diagnosing certain diseases of the sort. This type of computer is called the Expert System, which is basically a collection of accumulated expertise in a specific area of field.

Arts and Entertainment

Video games are one of the most popular applications of personal computers. Personal computers can display millions of colors, can produce images far clearer than those of a television set, and can be connected to various musical instruments. Painting programs enable artists to create realistic images and animated displays easily. Special programs allow photographers and filmmakers to transform photographic images into any size and shape they can imagine. Musicians can use computers to create multiple-voice compositions and to play back music with hundreds of variations.

At Home

People having a computer in the home justifies the fact that it is not only useful and efficient, but it is also referred as a learning system. Personal computers are being used for innumerous tasks nowadays, for example, to keep records, write letters and memos, prepare budgets, produce presentations, draw pictures, publish newsletters and connect with other in the rest of the earth.

Exercise 9. Identify the sector of the society where a computer is used as described by each of the statement given below.

1. You use the Internet to get the information about Newton.

2. Computers are used in making cars.

3. You can play games using a computer in the comfort of your room.

4. Salespersons use computers to market their company’s products.

5. Computers are used by the Bureau of Internet revenue to keep a record of the people’s income tax return.

6. Computers are used to stimulate a cell division.

7. Computers are used to control a robot for making the parts of a car.

8. You use computers to watch a movie in your living room.

9. Teachers use computers for computer-aided instruction.

10. Computers are used to make charts and graphs as a result of experiment.

Exercise 10. Answer the following questions to the text.

1. Where can computers be used?

2. How are computers used for communication?

3. What do local-area networks (LANs) link?

4. What do journalists and writers use to write books and articles?

5. How do scientists and researches use computers?

6. What does a simulation help do?

7. Why do chemists use computer simulation?

8. How are computers used in industry?

9. What types of computers do government agencies use?

10. What does the federal government use computers for?

11. How are computers used in education?

12. How can computers be used for music, filmmaking and other arts?

13. What are computers used in medicine for?

14. How do you use computers for your personal needs?