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 System
1.3. Government
1.3.1. E-filling
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
1.5. Science
1.5.1. Hawk Eye Officiating System
1.5.2. Virtual reality
1.6. Publishing
1.6.1. Online Newspaper
1.6.2. Online Magazine
1.7. Travel
1.7.1. Global Positioning System
1.7.2. E-ticketing
1.7.3. Online Reservation System
1.8. Manufacturing
1.8.1. Computer-Aided Design
1.8.2. Computer Aided Manufacturing
2. Categories of Computer
2.1. Supercomputers
2.1.1. Fastest and most powerful computer. Capable to process more than one quadrillion instructions in a single second
2.2. Mainframes
2.2.1. Large, expensive, powerful 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
2.4.1. Personal computer that can carry from place to place
2.5. Mobile Devices
2.5.1. Computing device small enough to hold in your hand
2.6. Embedded Computers
2.6.1. Special purpose computer that is function as a component in a larger product
3. Definition
3.1. The use of computer, hardware and software to store, retrieve and manipulate information
4. Advantages of IT
4.1. Speed
4.1.1. Computers can process billions or trillions of operations in a single second
4.2. Reliability
4.2.1. The electronic components in computers are dependable and reliable because they rarely to break
4.3. Consistency
4.3.1. A computer with same input will produce the same results consistently
4.4. Communication
4.4.1. Computer can communicate wirelessly with other computers. This allow users to communicate with one another easily.
4.5. Storage
4.5.1. Computers can be used to store enormous amounts of data and make this data available for processing anytime it is needed.
5. Disadvantages of IT
5.1. Violation of privacy
5.1.1. Other person might steal our personal and confidential records if they were not protected properly
5.2. Public safety
5.2.1. We might be a victim to crimeif we are exposing or sharing out photos, videos or other personal information publicly
5.3. Impact on labour force
5.3.1. MAny employee might jobless if their skills have been replaced by computers
5.4. Health risk
5.4.1. Prolonged or improper computer use can lead to health injuries
5.5. Impact on environment
5.5.1. Computer manufacturing process and computer waste can cause pollution