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Computer and Its Uses in Insurance Industries

In: Computers and Technology

Submitted By SamznRatz
Words 4999
Pages 20
Computer:

A computer is a general purpose device 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.

A TYPICAL COMPUTER SYSTEM:

A typical digital computer consists of:

a) A central processor unit (CPU)
b) A memory
c) Input/output (I/0) ports

Functions of Computer

The main and also basic the functions of a computer is to run programs. The programs they run can help to improve humans' everyday lives.
But, there are four basic functions of a Computer. They are:

1.
Input Function: You input data i.e. you provide data; a set of instructions. You input data through input devices which are keyboard, mouse, scanner, etc. 2.
Processing Function: The computer processing unit manipulates the data which is done by the C.P.U 3. Output Function: After processing the data the computer displays the result, it gives an output. Output devices are the monitor, in the case of visual output, speakers, in the case of audio output, printers, etc 4.
Storage Function: You can save your data for future use in the CPU itself which is stored in the computer's ROM. There are several other storage devices also like removable disks, CDs, etc.

The physical components of a computer are called hardware. The set of instructions given to the computer to accomplish a task is

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