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  • Question
  • The following waveform pattern is for a(n) ________.

    The following waveform pattern is for a(n) ________. 2-input AND gate 2-input OR gate Exclusive-OR g


  • Options
  • A. 2-input AND gate
  • B. 2-input OR gate
  • C. Exclusive-OR gate
  • D. None of the above

  • Correct Answer
  • Exclusive-OR gate 


  • Combinational Logic Analysis problems


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    • 1. One positive pulse with tw = 75 µs is applied to one of the inputs of an exclusive-OR circuit. A second positive pulse with tw = 15 µs is applied to the other input beginning 20 µs after the leading edge of the first pulse. Which statement describes the output in relation to the inputs?

    • Options
    • A. The exclusive-OR output is a 20 µs pulse followed by a 40 µs pulse, with a separation of 15 µs between the pulses.
    • B. The exclusive-OR output is a 20 µs pulse followed by a 15 µs pulse, with a separation of 40 µs between the pulses.
    • C. The exclusive-OR output is a 15 µs pulse followed by a 40 µs pulse.
    • D. *The exclusive-OR output is a 20 µs pulse followed by a 15 µs pulse, followed by a 40 µs pulse.
    • Discuss
    • 2. The following waveform pattern is for a(n) ________.


    • Options
    • A. 2-input AND gate
    • B. 2-input OR gate
    • C. Exclusive-OR gate
    • D. None of the above
    • Discuss
    • 3. The 8-input XOR circuit shown has an output of Y = 1. Which input combination below (ordered A ? H) is correct?


    • Options
    • A. 10111100
    • B. 10111000
    • C. 11100111
    • D. 00011101
    • Discuss
    • 4. The inverter can be produced with how many NAND gates?

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 5. The output of an exclusive-NOR gate is 1. Which input combination is correct?

    • Options
    • A. A = 1, B = 0
    • B. A = 0, B = 1
    • C. A = 0, B = 0
    • D. none of the above
    • Discuss
    • 6. How many AND gates are required to implement the Boolean expression, ?

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 7. Implementing the expression using NAND logic, we get:


    • Options
    • A. (A)
    • B. (B)
    • C. (C)
    • D. (D)
    • Discuss
    • 8. Implementing the expression using NAND logic, we get:


    • Options
    • A. (A)
    • B. (B)
    • C. (C)
    • D. (D)
    • Discuss
    • 9. Implementation of the Boolean expression results in ________.

    • Options
    • A. three AND gates, one OR gate
    • B. three AND gates, one NOT gate, one OR gate
    • C. three AND gates, one NOT gate, three OR gates
    • D. three AND gates, three OR gates
    • Discuss
    • 10. How many NOT gates are required to implement the Boolean expression, ?

    • Options
    • A. 1
    • B. 2
    • C. 4
    • D. 5
    • Discuss


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