Question

write about difference engine , punched card , abacus, pascaline.​

Answer 1

hey mates your answer is here

· A person moves the beads to perform arithmetic calculations. (b) Pascaline: Blaise Pascal, a French Mathematician invented the first mechanical calculating machine called Pascaline in 1642 when he was 19 years old. ... a) Data and program instructions are fed by suitable device called punched card.

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