What is the binary equivalent of hexadecimal 3A? MCQ with Answer and Explanation

What is the binary equivalent of hexadecimal 3A?
A. 110010
B. 111010
C. 101010
D. 111011
Answer: Option B
Solution (By JKExamLibrary)
3A = 3 (0011) and A (1010) => 00111010 = 111010 (without leading zeros).

This question belongs to: Computer Computer Fundamentals

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Practice More Computer Fundamentals Questions

Question #1 Report Error
Which of the following is an example of an optical storage device?
A. Hard disk
B. SSD
C. CD-ROM
D. Flash drive

Correct Answer: Option C


Explanation:
CD-ROM is an optical storage medium using laser to read data.

This question belongs to: Computer Computer Fundamentals
Question #2 Report Error
The use of Integrated Circuits (ICs) on silicon wafers became the primary design characteristic of which computer generation?
A. First Generation
B. Third Generation
C. Fourth Generation
D. Second Generation

Correct Answer: Option B


Explanation:
The Third Generation introduced Integrated Circuit technology, replacing individual board-mounted transistors.

This question belongs to: Computer Computer Fundamentals
Question #3 Report Error
What is the binary equivalent of decimal 20?
A. 11000
B. 11100
C. 10010
D. 10100

Correct Answer: Option D


Explanation:
20 in binary is 10100 (16+4).

This question belongs to: Computer Computer Fundamentals