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  • Question

  • If by chance more than one of the inputs in an HDL encoder is activated at the same time, the priority encoder ________.


  • Options
  • A. enters a fault mode
  • B. ignores the least significant input
  • C. resamples the data
  • D. finds some other input

  • Correct Answer
  • ignores the least significant input 

    • MSI Logic Circuits problems

    Search Results

    • 1. The device shown in below is a ________ and for the waveforms shown in the accompanying diagram, the ________ output at point X will be ________ and all others will be ________.


    • Options
    • A. multiplexer, D4, HIGH, LOW
    • B. demultiplexer, D3, LOW, HIGH
    • C. demultiplexer, D3, HIGH, LOW
    • D. decoder, D12, LOW, LOW
      • Discuss
    • 2. A 1-of-8 octal decoder has eight outputs and decodes an input of ________ bit(s).

    • Options
    • A. three
    • B. two
    • C. four
    • D. one
      • Discuss
    • 3. A(n) ________ is a logic circuit that accepts a set of inputs that represents a binary number, and activates only the output that corresponds to that input number.

    • Options
    • A. decoder
    • B. LED
    • C. encoder
    • D. demultiplexer
      • Discuss
    • 4. A decimal-to-BCD encoder has ________ data inputs.

    • Options
    • A. two
    • B. four
    • C. five
    • D. ten
      • Discuss
    • 5. The normal outputs of a magnitude comparator are ________.

    • Options
    • A. A < B, A = B, and A > B
    • B. Sum, difference, and carry
    • C. Cin, Cout, and Sum
    • D. A = B, A + B, and carry
      • Discuss
    • 6. Another name for a multiplexer is ________.

    • Options
    • A. encoder
    • B. decoder
    • C. code converter
    • D. data selector
      • Discuss
    • 7. The binary value of the BCD number 1000 0001 (81) is ________.

    • Options
    • A. 0101 0001
    • B. 0110 0011
    • C. 0100 0001
    • D. 1000 0000
      • Discuss
    • 8. The device that places its input data onto one of several outputs is a ________.

    • Options
    • A. demultiplexer
    • B. multiplexer
    • C. comparator
    • D. counter
      • Discuss
    • 9. A(n) ________ has a number of input lines, only one of which is activated at a given time, and produces on N-bit output code, depending on which input is activated.

    • Options
    • A. encoder
    • B. code converter
    • C. demultiplexer
    • D. decoder
      • Discuss
    • 10. An octal-to-binary encoder has eight data inputs and encodes an output of ________ bits.

    • Options
    • A. two
    • B. three
    • C. four
    • D. five
      • Discuss

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