Digital Electronics Combinational Logic Circuits Questions and Answers

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Showing 10 of 59 questions
Q41
The look-ahead carry method suffers from propagation delays.
  • A TRUE
  • B FALSE
Answer: Option B
Q42
A pull-up resistor is a resistor used to keep a given point in a circuit HIGH when in the active state.
  • A TRUE
  • B FALSE
Answer: Option A
Q43
In an even-parity system, the following data will produce a parity bit = 1. data = 1010011
  • A TRUE
  • B FALSE
Answer: Option B
Q44
The following combination is correct for an ODD parity data transmission system: data = 011011100 and parity = 0
  • A TRUE
  • B FALSE
Answer: Option A
Q45
The XOR gate will produce a HIGH output if only one but not both of the inputs is HIGH.
  • A TRUE
  • B FALSE
Answer: Option A
Q46
When decisions demand one of many possible actions, the ELSIF control structure is used.
  • A TRUE
  • B FALSE
Answer: Option A
Q47
The K-map provides a "graphical" approach to simplifying sum-of-products expressions.
  • A TRUE
  • B FALSE
Answer: Option A
Q48
The 54 prefix on ICs indicates a broader operating temperature range, generally intended for military use.
  • A TRUE
  • B FALSE
Answer: Option A
Q49
The abbreviation for an exclusive-OR gate is XOR.
  • A TRUE
  • B FALSE
Answer: Option A
Q50
In an even-parity system, the parity bit is adjusted to make an even number of one bits.
  • A TRUE
  • B FALSE
Answer: Option A

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