Computer is an electronic machine that can store and arrange information, make calculations and control other machinery. The terms of computer related to the date, information, input and output. There are two components of computer which are hardware and software. The hardware components have input devices, output devices, storage devices and system unite. Each one has different tools. In addition, the software programs have system software and application software. The system software consists of the programs which control the operation of the computer. There are two types that are operation system and utility programs
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