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Home ‣ Digital Electronics ‣ Combinational Logic Analysis See What Others Are Saying!
  • Question

  • A gate can drive a number of load gate inputs up to its specified ________.


  • Options
  • A. supply voltage
  • B. noise margin
  • C. fan-in
  • D. fan-out

  • Correct Answer
  • fan-out 

    • More questions

    • 1. A microcomputer is not a general-purpose computer.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Practically every possible load, shift, and conversion operation is available in a shift register IC.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A gated S-R latch and its associated waveforms are shown below. What, if anything, is wrong and what could be causing the problem?


    • Options
    • A. The output is always low; the circuit is defective.
    • B. The Q output should be the complement of the output; the S and R terminals are reversed.
    • C. The Q should be following the R input; the R input is defective.
    • D. There is nothing wrong with the circuit.
      • Discuss
    • 4. Using a hardware solution for a digital system is always ________ than a software solution.

    • Options
    • A. slower
    • B. harder
    • C. easier
    • D. faster
      • Discuss
    • 5. If both inputs of a 2-input NOR gate are connected, the gate will function as an ________.

    • Options
    • A. OR gate
    • B. AND gate
    • C. inverter
    • D. any of the above
      • Discuss
    • 6. Temperature variation is normally an analog quantity.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. What is the resolution, in percent, of a 12-bit DAC?

    • Options
    • A. 8.33
    • B. 0.049
    • C. 0.000488
    • D. 0.083
      • Discuss
    • 8. This program code will be executed once:

      STAT: MOV A, #01H
        JNZ STAT

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Which of the following commands will copy the contents of location 4H to the accumulator?

    • Options
    • A. MOV A, 04H
    • B. MOV A, L4
    • C. MOV L4, A
    • D. MOV 04H, A
      • Discuss
    • 10. The following program will cause the 8051 to be stuck in a loop:

      LOOP: MOV A, #00H
        JNZ LOOP

    • Options
    • A. True
    • B. False
      • Discuss

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