1. APPLICATION OF IT
1.1. EDUCATION
1.1.1. LEARNING MANAGEMENT SYSTEM
1.1.2. COMPUTER BASED TRAINING
1.2. FINANCE
1.2.1. FINANCE INVESTMENT SYSTEM
1.2.2. ONLINE BANKING
1.3. GOVERNMENT
1.3.1. E- FILING
1.3.2. E-SYARIAH
1.4. HEALTH CARE
1.4.1. MEDLINE
1.4.2. COUNTER REGISTRATION SYSTEM
1.4.3. TELEMEDICINE
1.5. SCIENCE
1.5.1. VIRTUAL REALITY
1.5.2. HAWK EYE OFFICIATING SYSTEM
1.6. PUBLISHING
1.6.1. ONLINE NEWSPAPER & ONLINE MAGAZINE
1.7. TRAVEL
1.7.1. GLOBAL POSITIONING SYSTEM(GPS)
1.7.2. ONLINE RESERVATION
1.8. MANUFACTURING
1.8.1. COMPUTER-AIDED DESIGN
1.8.2. COMPUTER AIDED MANUFACTURING
2. DISADVANTAGES
2.1. IMPACT ON ENVIRONMENT- CAN COUSE POLLUTION THROUGH COMPUTER MANUFACTURING PROCESS
2.2. HEALTH RISK- PROLONGED OR IMPROPER COMPUTER USE CAN LEAD TO HEALTH INJURIES
2.3. IMPACT ON LABOUR FORCE- EMPLOYEE SKILLS HAVE BEEN REPLACED BY COMPUTERS
3. DEFINITION
3.1. THE USE OF COMPUTER HARDWARE AND SOFTWARE TO STORE, RETRIEVE AND MANIPULATE INFORMATION
4. ADVANTAGES
4.1. COMMUNICATION - IT ALLOWS USERS TO CONMMUNICATE WITH OTHER PEOPLE ALL OVER THE WORLD EASILY
4.2. STORAGE- COMPUTER CAN STORE VERY LARGE AMOUNT OF DATA
4.3. SPEED- USERS CAN USE COMPUTER TO SEARCH INFORMATION EASILY BECAUSE THE COMPUTER CAN PROCESS BILLIONS OR TRILLIONS OF OPERATION IN SINGLE SECOND
5. CATEGORIES OF COMPUTER
5.1. SUPERCOMPUTER
5.1.1. FASTEST AND MOST POWERFUL COMPUTER
5.1.2. SIZE - OCCUPY A FULL ROOM OF EQUIPMENT
5.1.3. CAPABLE TO PROCESS MORE THAN ONE QUADRILLION INSTRUCTIONS IN A SINGLE SECOND
5.2. MAINFRAME
5.2.1. LARGE , EXPENSIVE, POWERFUL COMPUTER THAT CAN HANDLE HUNDREDS OR THOUSANDS OF CONNECTED USER
5.2.2. SIZA - OCCUPY PARTIAL ROOM TO A FULL ROOM OF EQUIPMENT
5.3. PERSONAL COMPUTER
5.3.1. A COMPUTER THAT CAN PERFORM ALL OF ITS INPUT,PROCVESSING OUTPUT ACTIVITY BY ITSELF
5.3.2. SIZE- FITS ON A DESK
5.4. MOBILE COMPUTER
5.4.1. PERSONAL COMPUTER YOU CAN CARRY FROM PLACE TO PLACE
5.4.1.1. NOTEBOOKS COMPUTER
5.4.1.2. LAPTOP COMPUTERS
5.4.1.3. NETBOOK
5.4.2. SIZE- FITS ON YOUR LAP OR IN YOUR HAND
5.5. MOBILE DEVICES
5.5.1. COMPUTING DEVICE SMALL ENOUGH TO HOLD IN YOUR HAND
5.5.1.1. SMART PHONES
5.5.1.2. PDAs
5.5.1.3. E-BOOK READER
5.5.1.4. DIGITAL CAMERAS
5.6. EMBEDDED COMPUTERS
5.6.1. SPECIAL PURPOSE COMPUTER THAT IS FUNCTION AS A COMPONENT IN A LARGER PRODUCT
5.6.1.1. ANTI - LOCK BRAKES
5.6.1.2. AIRBAG CONTROLLER
5.6.1.3. PRINTERS
5.6.1.4. DIGITAL TELEVISION