What historic calculating invention by Herman Hollerith introduced a mechanical pin mechanism that completed electrical circuits when it encountered a hole in a card? MCQ with Answer and Explanation

Question

What historic calculating invention by Herman Hollerith introduced a mechanical pin mechanism that completed electrical circuits when it encountered a hole in a card?

A. Pascaline

B. Punched Card Tabulator

C. Step Reckoner

D. Difference Engine

Answer: Option B

Solution (By JKSSB Mock Tests)

Hollerith's tabulating machine used electromechanical sense pins that completed electrical circuits through holes punched in paper cards.

This question belongs to: Computer Computer Fundamentals

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Which computing generation is explicitly associated with Very Large Scale Integration (VLSI) technology and the rise of personal home computers (PCs)?

A. Fourth Generation

B. Fifth Generation

C. Second Generation

D. Third Generation

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Correct Answer: Option A

Explanation:
The Fourth Generation brought VLSI microprocessors into production, making small, affordable personal home computers a reality.

This question belongs to: Computer Computer Fundamentals