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  • Question

  • Determine if diodes D1 and D2 in the given figure are forward or reverse biased.

    Determine if diodes D1 and D2 in the given figure are forward or reverse biased. D1 forward and D2 r


  • Options
  • A. D1 forward and D2 reverse
  • B. D2 forward and D1 reverse
  • C. D1 and D2 reverse
  • D. D1 and D2 forward

  • Correct Answer
  • D1 forward and D2 reverse 

    • More questions

    • 1. The final output of a modulus-8 counter occurs one time for every ________.

    • Options
    • A. 8 clock pulses
    • B. 16 clock pulses
    • C. 24 clock pulses
    • D. 32 clock pulses
      • Discuss
    • 2. What is one disadvantage of an S-R flip-flop?

    • Options
    • A. It has no enable input.
    • B. It has an invalid state.
    • C. It has no clock input.
    • D. It has only a single output.
      • Discuss
    • 3. How many flip-flops are required to produce a divide-by-128 device?

    • Options
    • A. 1
    • B. 4
    • C. 6
    • D. 7
      • Discuss
    • 4. I/O-mapped systems identify their input and output devices by giving them an 8-bit port number.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The modulus of a counter is the actual number of states in its sequence.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The simplified form of .

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The following combination is correct for an EVEN parity data transmission system:
      data = 100111100 and parity = 0

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. An AND gate with schematic "bubbles" on its inputs performs the same function as a(n)________ gate.

    • Options
    • A. NOT
    • B. OR
    • C. NOR
    • D. NAND
      • Discuss
    • 9. The diagram given below shows a ________, and in order for the decimal number 3 to be displayed, terminals ________ must be ________.


    • Options
    • A. common-cathode seven-segment display, ef, LOW
    • B. common-anode seven-segment display, abcdg, HIGH
    • C. common-anode seven-segment display, abcdg, LOW
    • D. common-cathode seven-segment display, abcdg, HIGH
      • Discuss
    • 10. 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

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