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Home Digital Electronics Boolean Algebra and Logic Simplification See What Others Are Saying!
  • Question
  • The OR function is Boolean multiplication and the AND function is Boolean addition.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 


  • More questions

    • 1. Propagation delay is important because ________.

    • Options
    • A. the logic gates must be given a short break during each clock cycle or else they will overheat
    • B. it limits the maximum operating frequency of a gate
    • C. it is a measure of how long the clock must be applied to the gate before it will make the required decision
    • D. all the gates in a system must have the same propagation times in order to be compatible
    • Discuss
    • 2. The carry propagation can be expressed as ________.

    • Options
    • A. Cp = AB
    • B. Cp = A + B
    • C.
    • D.
    • Discuss
    • 3. The odd/even parity system would require a sixth bit to be added to a 4-bit system.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. In a digital storage scope, when memory is full, the next data point is lost.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. A D flip-flop utilizing a PGT clock is in the CLEAR state. Which of the following input actions will cause it to change states?

    • Options
    • A. CLK = NGT, D = 0
    • B. CLK = PGT, D = 0
    • C. CLOCK NGT, D = 1
    • D. CLOCK PGT, D = 1
    • E. CLK = NGT, D = 0, CLOCK NGT, D = 1
    • Discuss
    • 6. What is the difference between combinational logic and sequential logic?

    • Options
    • A. Combinational circuits are not triggered by timing pulses, sequential circuits are triggered by timing pulses.
    • B. Combinational and sequential circuits are both triggered by timing pulses.
    • C. Neither circuit is triggered by timing pulses.
    • Discuss
    • 7. There are four different logic level ranges for TTL and CMOS: VIL, VIH, VOL, and VOH.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. One method of troubleshooting involves ________ the circuit under test with a ________ or ________ and then observing the output to check for proper bit patterns.

    • Options
    • A. checking, voltmeter, ohmmeter
    • B. exercising, stimulus, test pattern
    • C. testing, scope, logic analyzer
    • D. smashing, hammer, axe
    • Discuss
    • 9. A demultiplexer is a device that converts some code to a recognizable number or character.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. What distinguishes the look-ahead-carry adder?

    • Options
    • A. It is slower than the ripple-carry adder.
    • B. It is easier to implement logically than a full adder.
    • C. It is faster than a ripple-carry adder.
    • D. It requires advance knowledge of the final answer.
    • Discuss


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