Points: Introduction Wonderful modern invention – Use of computer has become common – Kinds of computer – Electronic brain.
We are living in an age of science and technology. We see many wonderful inventions. Their number is increasing day – by – day. These inventions have made our life easy, comfortable and interesting.
The computer is one of the most wonderful modern inventions. It is an automatic electronic machine. It is very useful for calculations. It solves mathematical problems.
Today, the use of computers is common. They are used in bank, industries, hospitals and examining boards, they have become a part of modern life. They work without rest. They donot make mistake. The aim of these machines is to save time and labour of a man.
A university professor wanted to know the period of construction of a very old building. The computer are all the details in one minute. In an ordinary way it would have taken many months to know these details.
There are two kinds of computers: analog and digit Analog computers operate with data: and digital, with numbers. A large computer can do about 250,000 additions or subtractions in one second. It can solve about 100,000 multiplication problems or more than 60,000 division problems in one second.
One computer can translate four languages. Sometimes computers are called ‘.’electronic brains”, but they are only tools that work according to some fixed principles.