Characteristics of computer

Speed It refers to the speed of computation. A computer is a high-speed device. It can perform a task in seconds for which, manual manpower may require a year or even more. The units of speed are measured in microseconds and nanoseconds. A computer is capable of performing 3 to 4 million simple arithmetic calculations per second.

Accuracy It refers to the precision with which calculations can be done. A computer maintains high degree of accuracy provided there is no human mistake i.e. faulty programming or inaccurate dates. If 10 million calculations are to be performed, the computer will do with same accuracy.

Consistency It means continuous. A computer can work for hours without lack of concentration or emotional feelings. It does not get tired and will do the jobs with same speed and accuracy even if is first job or its millionth job.

Versatility It means dynamic or varied. A computer can perform various types of jobs like it can do scientific calculation, make drawings, etc. It can change over to various types of jobs within a very short span of time. With the help of multitasking, the processor can switch to various jobs associated with it can do typing as well as printing at the same time. One moment it is preparing results and the next moment it is busy preparing fee slips.

Remembrance power Human brains are volatile and remember only imp. Information, which may be lost as the time passes. A computer has permanent storage device where each and every piece of information can be retained for a long period. This power of the computer has two aspects

  • The information remains in the same format, as it was stored and when so ever it is retrieved
  • Computer’s memory can be increased or decreased as per needs

Lack of IQ IQ means Intelligence Quotient or intelligence to take decisions. A computer can only perform operations programmed or instructed by a person.

Malfunction Just like any man -made machine, it is subject to occasional breakdown or malfunction.

Wrong output It cannot correct wrong instructions by itself so; wrong input results in wrong output.

No feelings since computer is a machine it is free from emotional and sentimental feelings.

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