Digital Arithmetic Operations and Circuits Questions and Answers

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Showing 10 of 92 questions
Q61
The inputs of a full adder are labeled A1, B1, and Cin.
  • A TRUE
  • B FALSE
Answer: Option A
Q62
Larger number capacities may be obtained from 2-bit adders by paralleling them.
  • A TRUE
  • B FALSE
Answer: Option A
Q63
If [A] = 10 and [B] = 01, then [A] + [B] = [ ].
  • A TRUE
  • B FALSE
Answer: Option B
Q64
111010002 is the 2's-complement representation of –24.
  • A TRUE
  • B FALSE
Answer: Option B
Q65
The look-ahead-carry adder is slower than the ripple-carry adder because it requires additional logic circuits.
  • A TRUE
  • B FALSE
Answer: Option B
Q66
The solution to the binary problem 1011 × 0110 is 01100110.
  • A TRUE
  • B FALSE
Answer: Option B
Q67
The solution to the BCD problem 0101 + 0100 is 00001001BCD.
  • A TRUE
  • B FALSE
Answer: Option A
Q68
A macrofunction is a self-contained description of a logic circuit with all of its inputs, outputs, and operational characteristics defined.
  • A TRUE
  • B FALSE
Answer: Option A
Q69
A half-adder circuit would normally be used each time a carry input is required in an adder circuit.
  • A TRUE
  • B FALSE
Answer: Option B
Q70
The binary subtraction 0 – 1 = is difference = 1 borrow = 0
  • A TRUE
  • B FALSE
Answer: Option B

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