Digital Electronics Combinational Logic Circuits Questions and Answers

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Q51
The Boolean equation of the exclusive-NOR function is .
  • A TRUE
  • B FALSE
Answer: Option A
Q52
To implement the full-adder sum functions, two exclusive-OR gates can be used.
  • A TRUE
  • B FALSE
Answer: Option A
Q53
The input at the 1, 2, 4, 8 inputs to a 4-line to 16-line decoder with active-low outputs is 1110. As a result, output line 7 is driven LOW.
  • A TRUE
  • B FALSE
Answer: Option B
Q54
When decisions demand two possible actions, the IF/THEN/ELSE control structure is used.
  • A TRUE
  • B FALSE
Answer: Option A
Q55
TTL stands for transistor-technology-logic.
  • A TRUE
  • B FALSE
Answer: Option B
Q56
Truth tables are great for listing all possible combinations of independent variables.
  • A TRUE
  • B FALSE
Answer: Option A
Q57
A square in the top row of a K-map is considered to be adjacent to its corresponding square in the bottom row.
  • A TRUE
  • B FALSE
Answer: Option A
Q58
The carry output of each adder in a ripple adder provides an additional sum output bit.
  • A TRUE
  • B FALSE
Answer: Option A
Q59
A good rule of thumb for determining the pin numbers of dual-in-line package IC chips would be to place the notch to your right and pin #1 will always be in the lower right corner.
  • A TRUE
  • B FALSE
Answer: Option B
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