1. Evolution of Computers

The first mechanical calculating device was invented by whom?

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Answer explanation

The first mechanical calculating device was invented by Blaise Pascal.

The analytical engine was invented in which year?

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Answer explanation

The analytical engine was invented in the year 1837.

The first general-purpose electronic computer was invented by whom?

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Answer explanation

The first general-purpose electronic computer was invented by John Presper Eckert and John Mauchly. They developed the ENIAC (Electronic Numerical Integrator and Computer) in 1946.

Which computer used vacuum tubes instead of transistors?

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EDSAC was the first computer to handle both numeric and text data. (T/F)

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The first generation computers used transistors technology. (T/F)

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The Tabulating machine was invented by whom?

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Answer explanation

The Tabulating machine was invented by Herman Hollerith.

Computers are capable of handling complex instructions accurately. (T/F)

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Answer explanation

True. Computers are capable of handling complex instructions accurately due to their precise and logical processing capabilities.

Which language was used in the first-generation computers?

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Answer explanation

The first-generation computers used machine language, which consisted of binary code instructions directly understood by the hardware.

Raman is preparing for a quiz based on the generations of computers. He is looking for the input device used in the third generation. Can you help him with the answer?

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Answer explanation

The input device used in the third generation of computers is the keyboard.