When Karnaugh mapping, we must be sure to use the ________ number of loops. maxi

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Question
When Karnaugh mapping, we must be sure to use the ________ number of loops.
Options
A. maximum
B. minimum
C. median
D. Karnaugh

Correct Answer

minimum

Combinational Logic Circuits problems

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4. Two 4-bit comparators are cascaded to form an 8-bit comparator. The cascading inputs of the most significant 4 bits should be connected ________.
Options
A. to the outputs from the least significant 4-bit comparator
B. to the cascading inputs of the least significant 4-bit comparator
C. A = B to a logic high, A < b and a > B to a logic low
D. ground

6. To subtract a signed number (the subtrahend) from another signed number (the minuend) in the 2's complement system, the minuend is ________.
Options
A. complemented only if it is positive
B. complemented only if it is negative
C. always complemented
D. never complemented

7. An 8-bit binary number is input to an odd parity generator. The parity bit will equal 1 only if ________.
Options
A. the number is odd
B. the number of 1s in the number is odd
C. the number is even
D. the number of 1s in the number is even

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