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  • Question

  • Four cascaded modulus-10 counters have an overall modulus of ________.


  • Options
  • A. 10
  • B. 100
  • C. 1,000
  • D. 10,000

  • Correct Answer
  • 10,000 

    • Counters problems

    Search Results

    • 1. A counter with a modulus of 16 acts as a ________.

    • Options
    • A. divide-by-8 counter
    • B. divide-by-16 counter
    • C. divide-by-32 counter
    • D. divide-by-64 counter
      • Discuss
    • 2. Which of the following is an invalid state in an 8421 BCD counter?

    • Options
    • A. 0011
    • B. 1001
    • C. 1000
    • D. 1100
      • Discuss
    • 3. Integrated-circuit counter chips are used in numerous applications including:

    • Options
    • A. timing operations, counting operations, sequencing, and frequency multiplication
    • B. timing operations, counting operations, sequencing, and frequency division
    • C. timing operations, decoding operations, sequencing, and frequency multiplication
    • D. data generation, counting operations, sequencing, and frequency multiplication
      • Discuss
    • 4. A 5-bit asynchronous binary counter is made up of five flip-flops, each with a 12 ns propagation delay. The total propagation delay (tp(tot)) is ________.

    • Options
    • A. 12 ms
    • B. 24 ns
    • C. 48 ns
    • D. 60 ns
      • Discuss
    • 5. List which pins need to be connected together on a 7493 to make a MOD-12 counter.

    • Options
    • A. 12 to 1, 11 to 3, 9 to 2
    • B. 12 to 1, 11 to 3, 12 to 2
    • C. 12 to 1, 11 to 3, 8 to 2
    • D. 12 to 1, 11 to 3, 1 to 2
      • Discuss
    • 6. Using four cascaded counters with a total of 16 bits, how many states must be deleted to achieve a modulus of 50,000?

    • Options
    • A. 50,000
    • B. 65,536
    • C. 25,536
    • D. 15,536
      • Discuss
    • 7. What type of device is shown below?


    • Options
    • A. 4-bit bidirectional universal shift register
    • B. Parallel in/parallel out shift register with bidirectional data flow
    • C. 2-way parallel in/serial out bidirectional register
    • D. 2-bit serial in/4-bit parallel out bidirectional shift register
      • Discuss
    • 8. After 10 clock cycles, and assuming that the DATA input had returned to 0 following the storage sequence, what values would be stored in Q4, Q3, Q2, Q1, Q0 of the register in Figure 7-5?

    • Options
    • A. 0,1,0,1,1
    • B. 1,1,0,1,0
    • C. 1,0,1,0,1
    • D. 0,0,0,0,0
      • Discuss
    • 9. A four-channel scope is used to check the counter in the figure given below. Are the displayed waveforms correct?


    • Options
    • A. Yes
    • B. No
      • Discuss
    • 10. Three cascaded modulus-5 counters have an overall modulus of ________.

    • Options
    • A. 5
    • B. 25
    • C. 125
    • D. 500
      • Discuss

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