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Home ‣ Digital Electronics ‣ Integrated-Circuit Logic Families See What Others Are Saying!
  • Question

  • The time it takes for an input signal to pass through internal circuitry and generate the appropriate output effect is known as ________.


  • Options
  • A. fan-out
  • B. propagation delay
  • C. rise time
  • D. fall time

  • Correct Answer
  • propagation delay 

    • More questions

    • 1. 3428 is the decimal value for which of the following binary-coded decimal (BCD) groupings?

    • Options
    • A. 11010001001000
    • B. 11010000101000
    • C. 011010010000010
    • D. 110100001101010
      • Discuss
    • 2. What is one disadvantage of the ripple-carry adder?

    • Options
    • A. The interconnections are more complex.
    • B. More stages are required to a full adder.
    • C. It is slow due to propagation time.
    • D. All of the above.
      • Discuss
    • 3. If the output of a three-input AND gate must be a logic LOW, what must the condition of the inputs be?

    • Options
    • A. All inputs must be LOW.
    • B. All inputs must be HIGH.
    • C. At least one input must be LOW.
    • D. At least one input must be HIGH.
      • Discuss
    • 4. A Schmitt trigger has VT+ = 2.0 V and VT? = 1.2 V. What is the hysteresis voltage of the Schmitt trigger?

    • Options
    • A. 0.4 volt
    • B. 0.6 volt
    • C. 0.8 volt
    • D. 1.2 volts
      • Discuss
    • 5. Write the Boolean expression for an inverter logic gate with input C and output Y.

    • Options
    • A. Y = C
    • B. Y =
      • Discuss
    • 6. The output of an exclusive-NOR gate is HIGH if ________.

    • Options
    • A. the inputs are equal
    • B. one input is HIGH, and the other input is LOW
    • C. the inputs are unequal
    • D. none of the above
      • Discuss
    • 7. The truth table for a full adder is shown below. What are the values of X, Y, and Z?

    • Options
    • A. X = 0, Y = 1, Z = 1
    • B. X = 1, Y = 1, Z = 1
    • C. X = 1, Y = 0, Z = 1
    • D. X = 0, Y = 0, Z = 1
      • Discuss
    • 8. An input to the mode pin of an arithmetic/logic unit (ALU) determines if the function will be:

    • Options
    • A. one's-complemented
    • B. arithmetic or logic
    • C. positive or negative
    • D. with or without carry
      • Discuss
    • 9. An informational signal that makes use of binary digits is considered to be:

    • Options
    • A. solid state
    • B. digital
    • C. analog
    • D. non-oscillating
      • Discuss
    • 10. How can parallel data be taken out of a shift register simultaneously?

    • Options
    • A. Use the Q output of the first FF.
    • B. Use the Q output of the last FF.
    • C. Tie all of the Q outputs together.
    • D. Use the Q output of each FF.
      • Discuss

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