1. DISADVANTAGE
1.1. Might be a victim to crime
1.2. many employee might jobless
1.3. people must be anti-social
2. APPLICATION
2.1. education
2.1.1. learning management system
2.1.2. computer based training
2.2. finance
2.2.1. finance investment system
2.2.2. online banking
2.3. goverment
2.3.1. e-filling
2.3.2. e-syariah
2.3.3. hrmis
2.4. health care
2.4.1. medline
2.4.2. counter registration system
2.4.3. telemedicine
2.4.4. telesurgery
2.5. science
2.5.1. virtual reality
2.5.2. cochlear implant
2.5.3. hawk eye offciating system
2.5.4. neural network
2.6. publishing
2.6.1. online newspaper & online magazine
2.7. travel
2.7.1. global positioning system (gps)
2.7.2. online reservation system
2.7.3. e-ticketing
2.8. manufacturing
2.8.1. computer-aided dsign
2.8.2. computer aided manufacturing
3. CATEGORIES OF COMPUTER
3.1. supercomputer
3.1.1. process more than one quadrillion instructions in a single second
3.1.1.1. full room of equipment
3.1.1.2. tens of thousands of processors
3.1.1.3. extremely large storage
3.2. mainframe
3.2.1. can handle hundreds or thousand of connected user in one time
3.2.1.1. partial room to a full room of equipment
3.2.1.2. dozens of processors
3.2.1.3. very large & addable storage
3.3. personal computer
3.3.1. can perform all of its input, processing, output and storage by itself
3.3.1.1. ftis on a desk
3.3.1.2. single processors
3.3.1.3. large
3.4. mobile
3.4.1. computer
3.4.1.1. can carry from place to place
3.4.1.1.1. fits on your hand
3.4.2. device
3.4.2.1. small enough to hold in your hand
3.4.2.1.1. fits in the palm of your hand or pocket size
3.4.2.2. fuction as a component in a larger product
3.5. embeddded computers
3.5.1. miniature