Digital Electronics Logic Gates Questions and Answers

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Showing 10 of 78 questions
Q61
A NOR gate output is LOW if any of its inputs is LOW.
  • A TRUE
  • B FALSE
Answer: Option B
Q62
As a rule, CMOS has the lowest power consumption of all IC families.
  • A TRUE
  • B FALSE
Answer: Option A
Q63
A popular waveform generator is the Johnson shift counter.
  • A TRUE
  • B FALSE
Answer: Option A
Q64
Good troubleshooting is done by looking at the input signal and how it interacts with the circuits.
  • A TRUE
  • B FALSE
Answer: Option B
Q65
A NOR gate and an OR gate operate in exactly the same way.
  • A TRUE
  • B FALSE
Answer: Option B
Q66
An OR array is programmed by blowing fuses to eliminate selected variables from the output functions.
  • A TRUE
  • B FALSE
Answer: Option A
Q67
A NAND gate output is LOW only if all the inputs are HIGH.
  • A TRUE
  • B FALSE
Answer: Option A
Q68
An AND gate output is LOW if all the inputs are HIGH.
  • A TRUE
  • B FALSE
Answer: Option B
Q69
Power is connected to pins 7 and 14 of a 7408 quad two-input AND gate IC to allow voltage for all four AND gates on the IC.
  • A TRUE
  • B FALSE
Answer: Option B
Q70
An exclusive-NOR gate output is HIGH when the inputs are unequal.
  • A TRUE
  • B FALSE
Answer: Option B

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