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Following are the historical development of Today computer

1. Tally Stick

Tally stick is the beginning point when human being use this device to record the numbers and quantities and messages. It may be made of bone, wood or stone.

2. Abacus

After this new device whose name is abacus which is simple way of calculating. In this, there is wooden frame. and different rods attach with it and it have the beads which helps for counting. With this device, people succeeded to calculate the addiction, subtraction, multiplication and division.

3. Antikythera mechanism

It was first analogue computer. It was useful to track 4 years cycle of athletic games.

4. Side rule

It can used for multiplication and division and also used to calculation in logarithms, trigonometry and exponents and roots.

5. Difference engine

English man charles babbage developed a calculating device called difference engine in 1820. he was the father of modern computer science.

6. Modern Computer

For developing modern computer, there is long history. Following devices has played role in modern computer

i) Torpedo data computer

ii) Colossus

iii) ENIC

iv) Stored program computer

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Svtuition: History of Computer
History of Computer