What is the binary equivalent of decimal 100? MCQ with Answer and Explanation

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What is the binary equivalent of decimal 100?

A. 1101000

B. 1100100

C. 1111010

D. 1001100

Answer: Option B

Solution (By JKSSB Mock Tests)

100 = 64+32+4 = 1100100.

This question belongs to: Computer Computer Fundamentals

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Question #1

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Which of the following is a characteristic of minicomputers?

A. Used in space research

B. High cost and large size

C. Multi-user and moderate cost

D. Single-user and low cost

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Correct Answer: Option C

Explanation:
Minicomputers are multi-user systems with moderate cost, bridging micros and mainframes.

This question belongs to: Computer Computer Fundamentals

Question #2

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What is the storage capacity of a CD-ROM typically?

A. 1.44 MB

B. 4.7 GB

C. 256 MB

D. 700 MB

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Correct Answer: Option D

Explanation:
A standard CD-ROM holds about 700 MB of data (or 80 minutes of audio).

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Question #3

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Which generation of computers used magnetic tape for storage?

A. Second

B. Third

C. First

D. All of the above

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Correct Answer: Option D

Explanation:
Magnetic tape was used in first, second, and third generations for backup and storage.

This question belongs to: Computer Computer Fundamentals

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