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Types of computers
Classification of Computers by Size
● Supercomputers ● Mainframe computers ● Minicomputers ● Personal computers (PCs) or microcomputers
Supercomputers
● Supercomputer – a powerful computer that can process large amounts of data and do a great amount of computation very quickly. Supercomputers are useful for applications involving very large databases or that require a great amount of computation.
Supercomputers are used for complex tasks, such as: ● Weather forecasting ● Climate research ● Scientific simulation ● Oil and gas exploration ● Quantum mechanics ● Cryptanalysis
Supercomputers are used for areas related to: ● Science ● Engineering ● Education ● Defence ● Aerospace
Mainframe computers
Mainframe computer – a high-performance computer used for large information processing jobs. Mainframe computers are useful for tasks related to: ● Census taking ● Industry and consumer statistics ● Enterprise resource planning ● Transaction processing ● e-business and e-commerce
Mainframe computers are primarily used in : ● Institutions ● Research ● Academics ● Health care ● Libraries ● Large businesses ● Financial institutions ● Stock brokerage firms ● Insurance agencies
Minicomputers
Tablet – A wireless touchscreen PC that is slightly smaller and weighs less than the average laptop.
Smartphone – A mobile phone that performs many of the functions of a personal computer.
