LEARN ABOUT COMPUTER

What is computer

Everybody in this world are familiar to the computer. They all know about the computer. whwn some one asked, that what is computer then; generally most of the people say that, computer is an electronic device which accept input, process it and gives us an output. Ya, this is right but today we need some extra, easy and well sentence, which i am going to say you.

A computer is a multipurpose, programmable, and electronic data processing device which is capable of  accepting input(instruction/raw data), processing it and provide a refined data (user required) as an output(information) in a enormous speed.

HISTORY OF THE COMPUTER

“Necessity is the mother of invention”. The computers were invented to search for fast, accurate and comfort calculating devices for human beings.

Evolution of the computer is a study of past development of computer, whereas generation of computer may be defines as an average period of time in which old computer technology be replaced by newer technology.

Ancient people lived on the earth for centuries without counting. Then they starts to count with their ten finger. It become so difficult to live and to remember them more facts using their ten fingers. these phenomena were gradually replaced by the use of stones, sticks, counting notches.

The main thing is that, the computer as we know it today had its beginning with 19th century English mathematics professes name Charles Babbage designed the analytic engine and it was the design that the basic framework of the computers of today are based on.

Generation of the computer

Computer generation’s classification is mainly based on the basic of devices used. Also the consideration are the architecture, language,etc. The function  performed by the computers and the speed of their operations have been changing since the old days to the most modern computers. There have been great variation in size and cost OS computers. Technological break-through in hardware and software resulted  into more and advanced computer system. It has been identified that there are four major stages in the continuous development process of the computers. These stage are called generation of the computer.

The first generation of the computer was the large mainframes built with valves. The smaller built with transistor are called the second generation of the computers. And the computer made with silicon chips are third generation computers. Real break-through came when the microprocessor  chip arrived. The microprocessor computer are called fourth generation of the computer.