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Home Digital Electronics Combinational Logic Analysis See What Others Are Saying!
  • Question
  • The expression The expression can be directly implemented using only ________. an XOR gate an XNOR gate an AOI circ can be directly implemented using only ________.


  • Options
  • A. an XOR gate
  • B. an XNOR gate
  • C. an AOI circuit
  • D. three 2-input NAND gates

  • Correct Answer
  • an XOR gate 


  • More questions

    • 1. How many 1-of-16 decoders are required for decoding a 7-bit binary number?

    • Options
    • A. 5
    • B. 6
    • C. 7
    • D. 8
    • Discuss
    • 2. In the digital clock project, the 1 pps signal is used as a synchronous clock for all of the counter stages, which are ________.

    • Options
    • A. advanced BCD counters
    • B. MOD-6 counters
    • C. synchronous cascaded
    • D. 1 pulse per second
    • Discuss
    • 3. In a binary-weighted-input digital-to-analog converter, the values of the input resistors are chosen to be proportional to the binary weights of the corresponding input bits.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. Normal operation of an NPN bipolar transistor requires the base to be ________ with respect to the emitter, and ________ with respect to the collector.

    • Options
    • A. positive, negative
    • B. positive, positive
    • C. negative, positive
    • D. negative, negative
    • Discuss
    • 5. The Boolean equation for the exclusive-OR function is ________.

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 6. Which of the following combinations cannot be combined into K-map groups?

    • Options
    • A. Corners in the same row
    • B. Corners in the same column
    • C. Diagonal corners
    • D. Overlapping combinations
    • Discuss
    • 7. Determine the values of A, B, C, and D that make the sum term equal to zero.

    • Options
    • A. A = 1, B = 0, C = 0, D = 0
    • B. A = 1, B = 0, C = 1, D = 0
    • C. A = 0, B = 1, C = 0, D = 0
    • D. A = 1, B = 0, C = 1, D = 1
    • Discuss
    • 8. In a 6-bit Johnson counter sequence there are a total of how many states, or bit patterns?

    • Options
    • A. 2
    • B. 6
    • C. 12
    • D. 24
    • Discuss
    • 9. An SPLD listed as 22V10 has ________.

    • Options
    • A. 10 inputs, 10 outputs, and requires a 22 V power source
    • B. 11 inputs, 11 outputs, and requires a 10 V power source
    • C. 22 inputs and 10 outputs
    • D. 10 inputs and 22 outputs
    • Discuss
    • 10. Which of the following combinations cannot be combined into K-map groups?

    • Options
    • A. corners in the same row
    • B. corners in the same column
    • C. diagonal
    • D. overlapping combinations
    • Discuss


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