1. APPLICATION
1.1. EDUCATION
1.1.1. Computer-based training
1.1.2. Learning Management System
1.2. FINANCE
1.2.1. Online Banking
1.2.2. Finance Investment Training
1.3. Government
1.3.1. E-Filing
1.3.2. E-Syariah
1.3.3. HRMIS
1.4. HEALTH CARE
1.4.1. Medline
1.4.2. Counter Registration System
1.4.3. Telemedicine
1.4.4. Telesurgery
1.5. SCIENCE
1.5.1. Virtual Reality
1.5.2. Cochlear implant
1.5.3. Hawk Eye Officiating System
1.5.4. Neural Network
1.6. PUBLISHING
1.6.1. Online Newspaper/ Magazine
1.7. TRAVEL
1.7.1. Global Positioning System (GPS)
1.7.2. Onlien Reservation System
1.7.3. E-ticketing
1.8. MANUFACTURING
1.8.1. Computer-Aided Design
1.8.2. Computer Aided Manufacturing
2. CATEGORIES
2.1. Supercomputer
2.1.1. Fastest and most powerful computer also capable to process more than one quadrillion instructions in a single second
2.2. Mainframe
2.2.1. Large,expensive,pwerful computer that can handle hundreds or thousands of connected user simultaneously
2.3. Personal Computer
2.3.1. A computer that can perform all of its input,processing,output and storage activity by itself
2.4. Mobile Computer and Devices
2.4.1. Personal computer you can carry from place to place
2.5. Embedded Computers
2.5.1. Special purpose computer that is function as a component in a larger product
3. DEFINITION
3.1. Information technology can be defined briefly as the use of computer hardware and software to store,retrieve and manipulate information
4. ADVANTAGE
4.1. COMMUNCIATION
4.1.1. Computers allow user to communicate with other people all around the world easily
4.2. SPEED
4.2.1. Computers can process billions or trillion of operation in a single second so that we can get information quickly and easily
4.3. STORAGE
4.3.1. Computers can be used to store large amount of data and information
5. DISADVANTAGE
5.1. HEALTH RISKS
5.1.1. Computers can lead to injuries such as back pain and eye strain if we spend too much time or improper way of using the computers
5.2. PUBLIC SAFETY
5.2.1. People are using computers to share publicly their photos , videos and others.They will be vinctims to crimes commited by dangerous strangers
5.3. IMPACT ON LABOUR FORCE
5.3.1. Computers have improved productivity.This will make computers replaced many labours.