The computer has evolved as a result of man’s search for fast, accurate calculating devices. Computers have thus become an integral part of everyone's life and useful in many ways by increasing man’s efficiency and enhancing his abilities.
Computers are used to perform various tasks in different fields like science engineering, business, education, training, entertainment. The computer works at high speed, can handle large volumes of data with greater accuracy and have the ability to carry out a specified sequence of operations Without human intervention.
The term computer basically includes a series of electrical and electronic circuits together to form a single unit to perform the required operations for the user. The computer has no intelligence of its own and thus cannot perform any task by itself. Thus it requires the hardware, software, data and users Which form the computer system to perform the different operations.
1.What is Hardware?
Hardware consists of phiysical devices of the computer such as keyboard,monitor ,printer, processor and motherboard.
2.What is Software?
Software consists of set of instructions called programs that instructs the computer the tasks to be performed and how it should be performed.
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