Which of the following is a characteristic of a mainframe computer? MCQ with Answer and Explanation

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Which of the following is a characteristic of a mainframe computer?

A. High reliability and availability

B. Used by a single user

C. Small physical size

D. Low processing power

Answer: Option A

Solution (By JKSSB Mock Tests)

Mainframes are known for high reliability, availability, and massive I/O capacity.

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Question #1

What is the significance of von Neumann architecture?

A. It eliminates the need for CPU

B. It uses separate memory for data and instructions

C. It is used only in mainframes

D. It uses a single memory for both data and instructions

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Correct Answer: Option D

Explanation:
The von Neumann architecture uses a single shared memory for both data and instructions, which is the basis for most modern computers.

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Question #2

The concept of 'Artificial Intelligence', natural language processing, and quantum computing research are the defining pillars of which generation?

A. Fourth Generation

B. Fifth Generation

C. Sixth Generation

D. Third Generation

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Correct Answer: Option B

Explanation:
The Fifth Generation of computers is centered around Artificial Intelligence, advanced parallel processing, and knowledge-based processing systems.

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Question #3

Which generation of computers introduced Very Large Scale Integration (VLSI) and witnessed the birth of the commercial internet and laptop computers?

A. Fifth Generation

B. Third Generation

C. Fourth Generation

D. Second Generation

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Correct Answer: Option C

Explanation:
The Fourth Generation used VLSI chips, enabling the development of standard personal computers, laptops, and modern networks.

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