What is the decimal equivalent of binary 111? MCQ with Answer and Explanation

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What is the decimal equivalent of binary 111?

A. 7

B. 9

C. 6

D. 8

Answer: Option A

Solution (By JKSSB Mock Tests)

111 in binary = 4+2+1 = 7.

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Question #1

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Which generation of computers introduced the use of high-level languages?

A. Second

B. First

C. Third

D. Fourth

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Correct Answer: Option A

Explanation:
Second-generation computers saw the development of high-level languages like FORTRAN.

This question belongs to: Computer Computer Fundamentals

Question #2

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Which of the following is a type of volatile memory?

A. ROM

B. Cache memory

C. Flash memory

D. Magnetic tape

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Correct Answer: Option B

Explanation:
Cache memory (SRAM) is volatile; it loses data when power is off. ROM and flash are non-volatile.

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Question #3

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

A. 256 MB

B. 4.7 GB

C. 700 MB

D. 1.44 MB

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Correct Answer: Option C

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

This question belongs to: Computer Computer Fundamentals

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