Evolution of computers and its categories
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Evolution of computers :-
1. abacus : it was the first counting device which was developed in china more than 3000 years ago.
2. napier 's bones:- it is a device which contain a set of rods made of bones.the device was mainly developed for performing multiplication and dividion.
3. pascaline
'4. punched card system.
5. tabulator
6. digital era
7. transistors.
1. abacus : it was the first counting device which was developed in china more than 3000 years ago.
2. napier 's bones:- it is a device which contain a set of rods made of bones.the device was mainly developed for performing multiplication and dividion.
3. pascaline
'4. punched card system.
5. tabulator
6. digital era
7. transistors.
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