Introduction to computer

1. a world of computer

1.1. input device

1.2. output device

1.3. system unit

1.4. storge device

1.5. communications device

2. elements of an information system

2.1. hardware

2.2. software

2.3. data

2.4. people

2.5. procedures

3. categories of computer

3.1. personal computer

3.2. computer mobile

3.2.1. mobile device

3.2.2. notebook computer

3.3. game consoles

3.4. servers

3.5. mainframes

3.6. supercomputer

3.7. embedded computer

4. computer software

4.1. systemsoft ware

4.2. applicatuion soft ware

4.3. installing and running programe

4.4. software development

5. advantage of using computer

5.1. speed

5.2. reliability

5.3. consistency

5.4. storage

5.5. communication

6. disadvantage of using computer

6.1. health risk

6.2. violation of privacy

6.3. puvlic safety

6.4. impact on labor force

6.5. impact on environment

7. computer application in society

7.1. education

7.2. finance

7.3. government

7.4. health care

7.5. sicence

7.6. publishing

7.7. travle

7.8. manufacturing