1. ADVANTAGE
1.1. Speed
1.2. Reliability
1.3. Consistency
1.4. Communication
1.5. Storage
2. DISADVANTAGE
2.1. Violation of privacy
2.2. Public safety
2.3. Impact on labour force
2.4. Health risk
2.5. Impact on environment
3. CATEGORIES OF COMPUTER
3.1. SUPERCOMPUTER
3.1.1. fastest & most powerful
3.1.2. process >one quadrillion instructions in a single second.
3.1.3. occupy a full room of equipment
3.1.4. 10 thousands of processors
3.1.5. extremely large storage(3.1 PB)
3.2. MAINFRAME
3.2.1. large,expensive,powerfull
3.2.2. handle 100/thousands of connected user
3.2.3. partial room of equipment
3.2.4. dozens of processors
3.2.5. very large&addable storage(4.6)
3.3. PC
3.3.1. perform all of its input,processing,output & storage activity by itself.
3.3.2. fits on a desk
3.3.3. single processers
3.3.4. large
3.4. MOBILE COMPUTER
3.4.1. can carry place to place
3.4.1.1. note book computer, laptop computers, netbook
3.4.2. fits on desk
3.5. MOBILE DEVICES
3.5.1. small enough to hold in hand
3.5.1.1. smart phones
3.5.2. fits in palm
3.6. EMBEDDED COMPUTERS
3.6.1. as a companent in a larger product
3.6.2. special purpose computer
3.6.3. miniature
4. APPLICATION
4.1. EDUCATION
4.1.1. Learning Management System
4.1.1.1. can get lecture note,answer quizzes & submit assingnment.
4.1.2. Computer Based Training
4.1.2.1. for training flight simulator.
4.2. FINANCE
4.2.1. Finance Investment System
4.2.1.1. inventores buy & sell stock & bond online without broker.
4.2.2. Online Banking
4.2.2.1. transfer money to another accounts.
4.3. GOVERNMENT
4.3.1. E-filling
4.3.1.1. declaring tax.
4.3.2. E-syariah
4.3.2.1. updating government employee information.
4.3.2.1.1. medline
4.4. HEALTH CARE
4.4.1. Medline
4.4.1.1. web sites provide up-to-date medical fitness,nutrition or exercise info.
4.4.2. Counter Registration System
4.4.2.1. hospital & doctors use to maintain & access patient record.
4.5. SCIENCE
4.5.1. Virtual reality
4.5.1.1. to simulate a real/imagined environtment in 3D.
4.5.2. Hawk Eye Officiating System
4.5.2.1. to track the path of an object.
4.6. PUBLISHING
4.6.1. Online Newspaper & Online Magazine
4.6.1.1. allow to get information
4.7. TRAVEL
4.7.1. GPS
4.7.1.1. to track routes for specific location
4.7.2. E-ticketing
4.7.2.1. online booking ticket
4.8. MANUFACTURING
4.8.1. CAD
4.8.1.1. to increase designer productivity & design quality.