A computer is a general
purpose device or machine that can be programmed to carry out a finite
set of arithmetic or logical operations. Since a sequence of operations can be
readily changed, the computer can solve more than one kind of
problem.
Conventionally, a computer consists of at least one processing element, typically a central processing unit (CPU) and some form of Memory. The processing element carries out arithmetic and logic operations, and a sequencing and control unit that can change the order of operations based on stored information. Peripheral devices allow information to be retrieved from an external source, and the result of operations saved and retrieved.
Conventionally, a computer consists of at least one processing element, typically a central processing unit (CPU) and some form of Memory. The processing element carries out arithmetic and logic operations, and a sequencing and control unit that can change the order of operations based on stored information. Peripheral devices allow information to be retrieved from an external source, and the result of operations saved and retrieved.
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