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Introduction to Computer:
The computer, which is one of the most advanced discoveries of mankind, has got a long history. Around 3000 years before the birth of Jesus Christ, there were no any kinds of number system. So, people had to remember a lot of information. They felt the need to count the things. Then they started counting using their fingers. But the limited number of fingers had made it difficult for them to remember more facts. So, they used stones for counting or they made scratches on wall or tied knots in a rope.

The history of computer is classified on the basis of age as follows:

1) Age of Mechanical Calculators

2) Age of Electromechanical Computers

The Downloadable file provided by Lok Nath Regmi is below: 

1.Download Chapter 1 

2.Download Chapter 2

3.Download Chapter 3


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