What is a computer

In this tutorial, you will learn about, What is a computer? What are the advantages of a computer?

What is a computer?

A computer is an electronic device that can perform a variety of operations according to a set of instructions called a program.it then displays or prints the results.

A computer is a general purpose machine that manipulates raw facts according to the set of instructions that are fade into it. The word computer comes from the word compute which means to calculate. So a computer is normally considered to be a calculating device that can perform arithmetic operations.

What are the advantages of a computer?

The five major characteristics of the computer which have made them very useful are:

  1. Accuracy: the accuracy of the computer is consistently high and the degree of accuracy of a particular computer depends upon its design. But for a particular computer, each and every calculation are performed with the same accuracy. Errors can occur in a computer but they are mainly due to human actions rather than technological weakness.
  2. Speed: a computer is a very fast device it can perform in a few seconds the amount of work that human beings can do in an entire year working round the clock.
  3. Consistency: unlike human beings, the computer is the machine that is highly consistent. They never get bored. A computer never complains of monotones of jobs, hence they are either machine for carrying out repetitive work for 24 hours a day and 365 days a year.
  4. Storage capacity: today’s computers can store huge amount of data, once recorded a piece of information is never forgotten and any information can be retrieved almost instantly.
  5. Flexibility: a computer is perfect the general purpose machine like television, refrigerators or typewriters, do only one thing for which they are designed. Unlike this, a computer can be used to play music, see movies, type letters, send faxes, diagnose illness, design buildings and bridge etc.
  6. A computer is a versatile machine and its use is limited only by your imaginations.

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