Importance of Computer Essay

Introduction: Science has discovered many wonders and computer is one of them, lt is an ultra-modern electronic device for storing and analysing information fed into it. It has no capacity to do anything by itself. It works on the basis of commands given by the operator.

Who invented: Computer was not invented overnight. It took a long time and hard labour to invent the computer. Many votaries of science worked hard. This computer has become the result of the hard labour of many votaries of science. First of all, Pascal invented the theory of “Digital Calculating System, in 1642. Though his attempts were not crowned with success, he initiated the research which paved the way for the innovation of computer. Finally lliiward Akin, an American scientist, invented the such as the machine in l337 as could solve difficult arithmetical problems. So the credit for LHC invention of the modern computer goes to Haward Akin. After seven years electric computer was used in Harvard University in 1044. After that many other computers have been invented such.is EDACS. in 1945 and ENTICE in 1946 etc.

More components of a computer: A computer consists of live major components. They are the input unit, the memory unit, the control unit and the arithmetic unit.

Functions of a computer: A computer performs three functions. receiving data, processing data by various computations and emitting data.

Machine language: Every computer has a machine language of its own according to it functions. Machine language is not fixed. lt varies from machine to machine. Programmes written in machine languages are machine dependent and they are only good for that particular machine.

Importance of computer: Computers of a great use to us today. It renders a great service to mankind like Aladin’s magic lamp. It has lessened our workloads and made our life easy and comfortable. lt is used in our daily life for various purposes.

In the field of education: Computer is media of education in the developed countries. The students of the developed countries use the computer to prepare their study materials. They learn many things within the shortest possible time. Results of various examinations are prepared accurately with the help of computer within the shortest span of time.

In Medical Science: Nowadays in developed countries computer is used to diagnose diseases. A newer process of operation has been invented by the computer as an alternative to surgery. it is used to grind stones in normal pathological tests.

In Agriculture: Today computer is used in the fields of agriculture in the developed countries. A farmer of America simply it’s on the switch of the computer and gets everything done.

In Commerce: Nowadays business, commerce and trade cannot be thought of without a computer. It does wonder. It is used to prepare documents, to make lists of goods, store information and to prepare budget etc. Management personnel uses the computer

to take a decision. The value. of currency and price of any share can be known or counted instantly by the computer.

In Printing: Today printing cannot be thought without the computer. lt is an indispensable part of printing. Thousands of books are composed with the help of a computer within a very short time.

In the Industrial sector: ln the developed countries computer is used to control mills, factories and industries. Trains and planes are run by the computer.

Source of Income: Computer is a source of great income. Many developed and advanced countries export software and hardware and earn a lot.

Demerits: Everything has its dark sides. The computer has its own demerits. it causes diseases like repetitive stress injury and harms the eyesight of the operators.

The computer in Bangladesh: Many government and non-government offices, educational institutions are using computers. A course on the computer has been introduced in secondary and higher secondary levels. The day is not far to come when the computer will be

used in every sphere of life.

Conclusion: Computer. is of great use to us. We cannot do a single moment without computers. Now it is a part and parcel in our day to day, life.