INTRODUCTION TO INFORMATION TECHNOLOGY

1. DEFINITION OF IT

1.1. The use of computer hardware and software to store, retrieve and manipulate information.

2. CATEGORIES OF COMPUTERS

2.1. supercomputers

2.2. mainframes

2.3. personal computers

2.4. mobile computers

2.5. mobile devices

2.6. embedded computers

3. APPLICATIONS OF IT

3.1. education

3.2. finance

3.3. government

3.4. health care

3.5. science

3.6. publishing

3.7. travel

3.8. manufacturing

4. ADVANTAGES

4.1. Speed

4.2. Reliability

4.3. Consistency

4.4. Storage

4.5. Communication

5. DISADVANTAGES

5.1. Health risks

5.2. Violation of privacy

5.3. Public safety

5.4. Impact on labour force

5.5. Impact on environment