Explore topic-wise MCQs in Digital Circuits.

This section includes 6 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.

Looping on a K-map always results in the elimination of __________

A. Variables within the loop that appear only in their complemented form
B. Variables that remain unchanged within the loop
C. Variables within the loop that appear in both complemented and uncomplemented form
D. Variables within the loop that appear only in their uncomplemented form
Answer» D. Variables within the loop that appear only in their uncomplemented form
2.

Each 0 entry in a K-map square represents _______________

A. A HIGH for each input truth table condition that produces a HIGH output
B. A HIGH output on the truth table for all LOW input combinations
C. A LOW output for all possible HIGH input conditions
D. A DON T CARE condition for all possible input truth table combinations
Answer» D. A DON T CARE condition for all possible input truth table combinations
3.

Each 1 entry in a K-map square represents _______________

A. A HIGH for each input truth table condition that produces a HIGH output
B. A HIGH output on the truth table for all LOW input combinations
C. A LOW output for all possible HIGH input conditions
D. A DON T CARE condition for all possible input truth table combinations
Answer» B. A HIGH output on the truth table for all LOW input combinations
4.

The systematic reduction of logic circuits is accomplished by _______________

A. Symbolic reduction
B. TTL logic
C. Using Boolean algebra
D. Using a truth table
Answer» D. Using a truth table
5.

The observation that a bubbled input OR gate is interchangeable with a bubbled output AND gate is referred to as __________________

A. A Karnaugh map
B. DeMorgan s second theorem
C. The commutative law of addition
D. The associative law of multiplication
Answer» C. The commutative law of addition
6.

The Boolean expression Y = (AB) is logically equivalent to what single gate?

A. NAND
B. NOR
C. AND
D. OR
Answer» B. NOR