1. DEFINITION
1.1. THE USE OF COMPUTER HARDWARE AND SOFTWARE TO STORE,RETRIEVE AND MANIPULATE INFORMATION
2. ADVANTAGE
2.1. SPEED-Can process billions or trillions of operation in single second
2.2. COMMUNICATION-Can communicate with other people all around the world
2.3. STORAGE-Can store enormous amounts of data
3. DISADVANTAGE
3.1. VIOLATION OF PRIVACY-Other person might steal our personal and confidential records if they were not protected properly
3.2. IMPACT ON LABOUR FORCE-Many employee might jobless if their skills have been replaced by computer
3.3. HEALTH RISK-Behavioral technology over load
4. APPLICATIONS OF INFORMATION TECHNOLOGY
4.1. EDUCATION
4.1.1. LEARNING MANAGMENT SYSTEM
4.1.2. COMPUTER BASED TRAINING
4.2. FINANCE
4.2.1. FINANCE INVESTMENT SYSTEM
4.2.2. ONLINE BANKING SYSTEM
4.3. GOVERNMENT
4.3.1. E-FILLING
4.3.2. E-SYARIAH
4.3.3. HRMIS
4.4. HEALTH CARE
4.4.1. COUNTER REGISTRATION SYSTEM
4.4.2. TELEMEDICINE
4.4.3. TELESURGERY
4.5. SCIENCE
4.5.1. VIRTUAL REALITY
4.5.2. COCHLEAR IMPLANT
4.5.3. HAWK EYE OFFICIATING SYSTEM
4.5.4. NEURAL NETWORK
4.6. PUBLISHING
4.6.1. ONLINE NEWSPAPER AND MAGAZINE
4.7. TRAVEL
4.7.1. GLOBAL POSITIONING SYSTEM
4.7.2. ONLINE RESERVATION SYSTEM
4.7.3. E-TICKETING
4.8. MANUFACTORING
4.8.1. COMPUTER-AIDED DESIGN
4.8.2. COMPUTER AIDED MANUFACTURING
5. CATEGORIES OF COMPUTERS
5.1. SUPERCOMPUTER
5.1.1. DEFINE
5.1.1.1. Fastest and most powerful computer.
5.1.2. PHYSICAL SIZE
5.1.2.1. Size of is occupy a full room of equipment
5.1.3. SPEED
5.1.3.1. Tens of thousands of processors
5.1.4. STORAGE
5.1.4.1. Extremely large storage
5.2. MAINFRAME
5.2.1. DEFINE
5.2.1.1. Large,expensive,powerful computer that can handle hundredsor thousands of connected user simultaneously
5.2.2. PHYSICAL SIZE
5.2.2.1. Size of is occupy partial room to a full room of equipment
5.2.3. SPEED
5.2.3.1. Dozens of processors
5.2.4. STORAGE
5.2.4.1. Very large and addable storage
5.3. PERSONAL COMPUTER
5.3.1. DEFINE
5.3.1.1. A computer that can perform all of its input,processing,output and storage activity by itself
5.3.2. PHYSICAL SIZE
5.3.2.1. The size is fits on a desk
5.3.3. SPEED
5.3.3.1. Single processor
5.3.4. STORAGE
5.3.4.1. Large
5.4. MOBILE COMPUTER AND DEVICES
5.4.1. DEFINE
5.4.1.1. Mobile computer- Personal computer that can carry from place to place
5.4.1.2. Mobile devices- Computing device small enough to hold in hand
5.4.2. PHYSICAL SIZE
5.4.2.1. Mobile computer - The size fits on your lap or in your hand
5.4.2.2. Mobile devices - The size is fits in the palm of your hand or apocket size
5.5. EMBEDDED COMPUTERS
5.5.1. DEFINE
5.5.1.1. Special purpose computer that is function as a component in a large product
5.5.2. PHYSICAL SIZE
5.5.2.1. Miniature