logo

CuriousTab

CuriousTab

Discussion


Home Digital Electronics Counters Comments

  • Question
  • Shift registers are used to store and transfer data.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Counters problems


    Search Results


    • 1. A ripple counter is an asynchronous counter.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. The term synchronous, as applied to counter operations, means that the counter is clocked such that each flip-flop in the counter is triggered at the same time.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. In VHDL, when we want to remember a value it must be stored in a VARIABLE.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. All decade counters are BCD counters.

    • 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. A J-K flip-flop excitation table lists the present state, the next state, and the J and K levels required to produce each transition.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. Counters are generally decoded in order to determine their count state.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Phototransistors have varying resistance from collector to emitter, depending on how much light strikes them.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. An asynchronous counter differs from a synchronous counter in the method of clocking.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. When a J-K flip-flop is used in a circuit, we only have to consider the level at J and K at the active clock edge to know the states of the outputs.

    • Options
    • A. True
    • B. False
    • Discuss


    Comments

    There are no comments.

Enter a new Comment