What is Computer ? And its Characteristics. | thespy.co.in

What is a Computer:- 

                       computer may be defined as an electronic machine that can solve problems by accepting data,performing certain operations under the direction of detailed steps-by-step instructions.Such as set of sequnced instructions,which cause a computer to perform particular operations, is called a program.

The computer is one of the most powerful tools ever developed.
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Characteristics of Computer:-
                                The characteristics of computers are as follows-

• Speed - Computer is very fast device.It can perform in a few seconds the amount of work that a human being can do in an entire year.A computer can add and subtract numbers,Compare letters to determine alphabetical order, the speed varies from a few microseconds and nanoseconds.        

• Accuracy - Computers are very accurate.They can perform their hundreds of Thousands of operations with great accuracy as their circuits have no mechanical wear and malfunction.

• Reliability - Compter output is generally very reliable, subject to the condition that the input data entering the computer should be correct and the program of instructions should be reliable and correct.incorrect input data and unreliable programs give us computer errors and wrong results.

• Storage Capacity - Various computer media can store millions of characters of data in a condensed form.

• Reduced cost - The cost of computer equipment has dropped drastically over the years.

• Versatility - versatility is one of the most wonderful feature about the computer. It is preparing the results of particular examination, the next moment it is busy for preparing electricity bills.

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