Introduction to IT
作者：Amal Zunnairah
1. Disadvantages
1.1. Can lead to health risks
1.2. Employee might be jobless
2. Applications of IT
2.1. Field
2.1.1. Education
2.1.1.1. Learning Management System
2.1.1.2. Computer based training
2.1.2. Finance
2.1.2.1. Online banking system
2.1.2.2. Loan processing system
2.1.3. Government
2.1.4. Science
3. Categories of computer
3.1. Supercomputer
3.1.1. Define
3.1.1.1. The most powerful, expensive and largest computer
3.1.2. Size
3.1.2.1. The largest in size
3.1.3. Storage
3.1.3.1. Can store very large amounts of data as it contain very large storage capacity
3.1.4. Speed
3.1.4.1. Can process billions of instructions per second as it contains ten of thousand processors
3.2. Mainframes
3.2.1. Define
3.2.2. Size
3.2.3. Storage
3.2.4. Speed