1. APPLICATIONS 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. HRMIS
1.4. HEALTH CARE
1.4.1. Counter registration system
1.4.2. telesurgery
1.5. SCIENCE
1.5.1. virtual reality
1.5.2. Hawk Eye Officiating System
1.6. PUBLISHING
1.6.1. Online Newspaper
1.6.2. Online Magazine
1.7. TRAVEL
1.7.1. Global Positioning System (GPS)
1.7.2. E-ticketing
1.8. MANUFACTURING
1.8.1. Computer Aided Manufacturing
1.8.2. Computer-Aided Design
2. COMPUTER CATEGORIESS
2.1. SUPERCOMPUTER
2.1.1. DEFINITION
2.1.1.1. capable to process more than 1 quadrillion instructions in single second
2.1.2. SPEED
2.1.2.1. ten of thousands of processors
2.1.3. SIZE
2.1.3.1. occupy full room of equipment
2.1.4. STORAGE
2.1.4.1. extremely large
2.2. MAINFRAME
2.2.1. DEFINITION
2.2.1.1. large, expensive powerful computer that can handle hundreds or thousand of connected user simultaneously
2.2.2. SPEED
2.2.2.1. Dozens of processors
2.2.3. SIZE
2.2.3.1. occupy partial room
2.2.4. STORAGE
2.2.4.1. very large
2.3. PERSONAL COMPUTER
2.3.1. DEFINITION
2.3.1.1. computer that can perform all of its input , processing, output and storage activity by itself
2.3.2. SPEED
2.3.2.1. single processor
2.3.3. SIZE
2.3.3.1. fits on a desk
2.3.4. STORAGE
2.3.4.1. large
2.4. MOBILE COMPUTER
2.4.1. DEFINITION
2.4.1.1. personal computer can carry from place to place
2.4.2. SIZE
2.4.2.1. fits on your lap or in your hand
2.5. MOBILE DEVICE
2.5.1. DEFINE
2.5.1.1. computing device small enough to hold in your hand
2.5.2. SIZE
2.5.2.1. fits in the palm of your hand or a pocket size
2.6. EMBEDDED COMPUTERS
2.6.1. DEFINITION
2.6.1.1. special purpose computer that is function as a component in larger product
2.6.2. SIZE
2.6.2.1. miniature
3. CHAPTER 1
4. DEFINE
4.1. Use of computer hardware, and software to store , retrieve and manipulate information
5. ADVANTAGE
5.1. SPEED
5.1.1. can process information in very fast speed
5.2. COMMUNICATION
5.2.1. easy to communicate
5.3. STORAGE
5.3.1. can store large amounts of data
6. DISADVANTAGE
6.1. VIOLATION OF PRIVACY
6.1.1. other person might steal our personal information if its not protected well
6.2. HEALTH RISK
6.2.1. improper / prolonged computer use can lead to health injured
6.3. IMPACT ON ENVIRONMENT
6.3.1. manufacturing process of computer and the waste cause pollution