Work Sheet - 4
Q.1. Match the following:-
(Column-A)
1642
1805
Charles Babbage
PC
1944
1943
Abacus
ENIAC
(Column-B)
EDVAC
Jacquard Loom
Vacuum Tubes
5000 years ago
ENIAC
Mark-I
Difference Engine 3
1982
Pascaline
1949
Answers
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Answer:
Charles Babbage vacuum tubes
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