1. Application
1.1. Education : Learning Management System (LMS)-Student can get thier lecture note easily.
1.2. Finance : Online Banking- To pay bills,manage investment and evalute finacial plans.
1.3. Government : E-Filing -online system for declaring tax.
1.4. Health care : Medline - Many web site provide up-to-date medical fitness, nutrition information.
1.5. Science : Virtual Reality - use of computer to simulate a real or imagined enviroment that appears as 3D space.
1.6. Publishing : Online Newspaper & Online Magazine -allow user to get informationeasily by reading it.
1.7. Travel : E-ticketing - online booking ticket.
2. Catagories of Computer
2.1. Supercomputer
2.1.1. Fastest and most powerful computer .Capable to process more than one quadrillion instructions in a single second.
2.2. Mainframe
2.2.1. Large, Expensive, Powerful Computer hat can handle hundreds or thousands of connected user simultaneously.
2.3. Personal Computer
2.3.1. A computer that can perform all of its the input, processing, Output and storage activity by itself.
2.4. Mobile device
2.4.1. Computing device small enough to hold in your hand.
2.5. Mobile Computer
2.5.1. Personal computer you can carry from place to place.
2.6. Embendded Computer
2.6.1. Special purpose computer thatis function as a componentin a large product
3. Advantage
3.1. Communication
3.1.1. Can communicate with other pepole around the world easily.
3.2. Storage
3.2.1. Can store large amounts of data and can use for future.
3.3. Consistency
3.3.1. A computer with same input will produce the same result consistenly.
4. Disadvantage
4.1. Health Risk
4.1.1. Will get eyes irritation when stare to long at monitor screen
4.2. Impact on Enviroment
4.2.1. Computer manufacturing process and computer waste can cause pollution
4.3. Public safety
4.3.1. Bad guys will use , we privacy to do bad thing