INTRODUCTION TO COMPUTER

1. THE USE OF COMPUTER SOFTWARE AND HARDWARE TO STORE ,RETRIVE AND MANIPULATE DATA

2. DEFINITION OF IT

3. APPLICATION OF IT

3.1. EDUCATIONAL

3.2. FINANCE

3.3. GOVERNMENT

3.4. HEALTH CARE

3.5. SCIENCE

3.6. PUBLISHING

3.7. TRAVEL

3.8. MANUFACTURING

4. WHAT IS A COMPUTER

4.1. IS AN ELECTRONIC DEVICE ,OPERATING UNDER THE CONTROL OF INSTRUCTIONS STORED IN ITS OWN MEMORY

5. ADVANTAGES

5.1. SPEED

5.2. RELIABILITY

5.3. CONSISTENCY

5.4. STORAGE

5.5. COMMUNICATION

6. ADVANTAGES

6.1. HEALTH RISK

6.2. VIOLATION OF PRIVACY

6.3. PUBLIC SAFETY

6.4. IMPACT ON LABOUR FORCE

6.5. IMPACT ON ENVIRONMENT

7. CATEGORIES OF COMPUTERS

7.1. PERSOANL COMPUTER

7.2. MOBILE COMPUTER & MOBILE DEVICES

7.3. MAINFRAMES

7.4. SUPERCOMPUTERS

7.5. EMBEDDED COMPUTER