Explore topic-wise MCQs in Digital Circuits.

This section includes 10 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.

The addition of +19 and +43 results as _________ in 2 s complement system.

A. 11001010
B. 101011010
C. 00101010
D. 0111110
Answer» E.
Discussion
2.

For arithmetic operations only _________

A. 1 s complement is used
B. 2 s complement
C. 10 s complement
D. 9 s complement
Answer» C. 10 s complement
Discussion
3.

Which one is used for logical manipulations?

A. 2 s complement
B. 9 s complement
C. 1 s complement
D. 10 s complement
Answer» D. 10 s complement
Discussion
4.

The 1 s complements requires _________

A. One operation
B. Two operations
C. Three operations
D. Combined Operations
Answer» B. Two operations
Discussion
5.

The advantage of 2 s complement system is that _________

A. Only one arithmetic operation is required
B. Two arithmetic operations are required
C. No arithmetic operations are required
D. Different Arithmetic operations are required
Answer» B. Two arithmetic operations are required
Discussion
6.

1 s complement can be easily obtained by using _________

A. Comparator
B. Inverter
C. Adder
D. Subtractor
Answer» C. Adder
Discussion
7.

Logic circuitry is used to detect _________

A. Underflow
B. MSD
C. Overflow
D. LSD
Answer» D. LSD
Discussion
8.

An overflow occurs in _________

A. MSD position
B. LSD position
C. Middle position
D. Signed Bit
Answer» B. LSD position
Discussion
9.

An overflow is a _________

A. Hardware problem
B. Software problem
C. User input problem
D. Input Output Error
Answer» C. User input problem
Discussion
10.

If the number of bits in the sum exceeds the number of bits in each added numbers, it results in _________

A. Successor
B. Overflow
C. Underflow
D. Predecessor
Answer» C. Underflow
Discussion