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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 | |