Explore topic-wise MCQs in Boolean Algebra and Logic Simplification .

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Boolean Algebra and Logic Simplification knowledge and support exam preparation. Choose a topic below to get started.

1.

EPROM contents can be erased by exposing it to

A. Infrared rays.
B. Ultraviolet rays.
C. Intense heat radiations
D. Burst of microwaves
Answer» C. Intense heat radiations
Discussion
2.

A truth table with output columns numbered 0–15 may be for which type of decoder IC?

A. hexadecimal 1-of-16
B. dual octal outputs
C. binary-to-hexadecimal
D. hexadecimal-to-binary
Answer» B. dual octal outputs
Discussion
3.

For the following conditions on a 7485 magnitude comparator, what will be the state of each of the three outputs? A 0 = 0 B 0 = 1 I A < B = 0 A 1 = 1 B 1 = 0 I A = B = 1 A 2 = 1 B 2 = 0 I A > B = 0 A 3 = 0 B 3 = 0

A. A = B = 0, A < B = 0, A > B = 1
B. A = B = 0, A < B = 1, A > B = 0
C. A = B = 1, A < B = 0, A > B = 0
D. A = B = 0, A < B = 0, A > B = 0
Answer» B. A = B = 0, A < B = 1, A > B = 0
Discussion
4.

What is the status of the inputs S 0 , S 1 , and S 2 of the 74151 eight-line multiplexer in order for the output Y to be a copy of input I 5 ?

A. S 0 = 0, S 1 = 1, S 2 = 0
B. S 0 = 0, S 1 = 0, S 2 = 1
C. S 0 = 1, S 1 = 1, S 2 = 0
D. S 0 = 1, S 1 = 0, S 2 = 1
Answer» E.
Discussion
5.

From the following list of input conditions, determine the state of the five output leads on a 74148 octal-to-binary encoder. I 0 = 1 I 3 = 1 I 6 = 1 I 1 = 1 I 4 = 0 I 7 = 1 I 2 = 1 I 5 = 1 EI = 0

A. GS = L, A 0 = L, A 1 = L, A 2 = H, EO = H
B. GS = L, A 0 = H, A 1 = L, A 2 = L, EO = H
C. GS = L, A 0 = L, A 1 = H, A 2 = L, EO = H
D. GS = L, A 0 = H, A 1 = H, A 2 = L, EO = H
Answer» E.
Discussion
6.

Use the weighting factors to convert the following BCD numbers to binary.

A. 01010011    001001101000
B. 11010100    100001100000
C. 110101        100001100
D. 101011        001100001
Answer» D. 101011        001100001
Discussion