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  Characteristics of Computer

Introduction to Characteristics of Computer

Let us recognize the main characteristics of computer. These characteristics can be discussed within the headings of speed, versatility, accuracy, diligence and memory.

1. SPEED

As we described earlier computer can act very fast. For calculations computer takes only few seconds which we take hours to complete. Assume you are asked to compute the average monthly income of 1000 persons in your neighbourhood. For this you must add income from each source for every person on an every basis and observe the average for each one of them. How long will it obtain for you to do this? One day, two days or one week? Do you make out your small computer can done this work in few seconds? The forecasting of weather that you see day to day on TV is the results of compilation and analysis of enormous amount of humidity, data on temperature, pressure, etc. of several places on computers. It obtains few minutes for the computer to process this enormous amount of data and provide the result.

You will be shocked to know that it can carry out millions (1,000,000) of instructions and even more per second. So, we ascertain the speed of computer in terms of microsecond (10-6 part of a second) or nano-second (10-9 part of a second). By this you can visualize how fast your computer carries on work.

2. ACCURACY

Assume someone calculates faster but commits several errors in computing. Such type of result is ineffective. There is other aspect. Imagine you wish to divide 15 by 7. You might work out up to 2 decimal places and say the dividend is 2.14. I might calculate up to 4 decimal places and state that the result is 2.1428. Someone else might go equal to 9 decimal places and say the result is 2.142857143. Therefore, further to speed, the computer should have correctness/accuracy in computing.

The degree of correctness of computer is extremely high and every calculation is carried out with similar correctness. The level of accuracy is ascertained on the basis of design of computer. The errors in computer are because of human and inaccurate data.

3. DILIGENCE

A computer is independent from lack of concentration, tiredness, fatigue, etc. Computer can work for hours without making any error. If millions of calculations are to be carried out simultaneously, a computer will carry on every calculation with similar accuracy. Because of this ability it overpowers human being in routine type of work.

4. VERSATILITY

Versatility means the capacity to carry out completely dissimilar type of work. You might use your computer to get ready payroll slips. At the Next moment you may employ it for inventory management or to get ready electric bills.

5. POWER OF REMEMBERING

Computer comprises the power of storing any number of data or information. Any information can be maintained and recalled as long as you need it, for any amount of years. It relies completely on you how much data you wish to store in a computer and while to retrieve or lose these data

6. NO IQ

Computer is only a machine and it cannot do any task without instruction from the user. It carries out the instructions at incredible speed and with correctness. It is you to make a decision what you wish to do and in what sequence. Thus a computer cannot take its own decision like you can.

7. NO FEELING

Computer does not comprise feelings or knowledge, emotion, taste and experience. So it does not get tired even after long hours of work. Computer does not differentiate between users.

8. STORAGE

The Computer has an internal memory in which it can store a large amount of data. You can also keep data in secondary storage devices like floppies that can be kept outside your computer and can be carried to another computer.

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