Explore topic-wise MCQs in Digital Circuits.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

Convert binary number into gray code: 100101.

A. 101101
B. 001110
C. 110111
D. 111001
Answer» D. 111001
Discussion
2.

The binary representation of BCD number 00101001 (decimal 29) is ___________

A. 0011101
B. 0110101
C. 1101001
D. 0101011
Answer» B. 0110101
Discussion
3.

Earlier, reflected binary codes were applied to ___________

A. Binary addition
B. 2 s complement
C. Mathematical puzzles
D. Binary multiplication
Answer» D. Binary multiplication
Discussion
4.

Reflected binary code is also known as ___________

A. BCD code
B. Binary code
C. ASCII code
D. Gray Code
Answer» E.
Discussion
5.

One way to convert BCD to binary using the hardware approach is ___________

A. With MSI IC circuits
B. With a keyboard encoder
C. With an ALU
D. UART
Answer» B. With a keyboard encoder
Discussion
6.

Code is a symbolic representation of ___________

A. Discrete information
B. Continuous information
C. Decimal information into binary
D. Binary information into decimal
Answer» B. Continuous information
Discussion
7.

The primary use for Gray code is ___________

A. Coded representation of a shaft s mechanical position
B. Turning on/off software switches
C. To represent the correct ASCII code to indicate the angular position of a shaft on rotating machinery
D. To convert the angular position of a shaft on rotating machinery into hexadecimal code
Answer» B. Turning on/off software switches
Discussion
8.

A code converter is a logic circuit that _____________

A. Inverts the given input
B. Converts into decimal number
C. Converts data of one type into another type
D. Converts to octal
Answer» D. Converts to octal
Discussion