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Home ‣ Digital Electronics ‣ Shift Registers Comments
  • Question

  • The 74194 4-bit bidirectional universal shift register has a wide range of applications.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Shift Registers problems

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    • 1. When is LOW, the data are shifted one bit per clock pulse.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Eight states are in an 8-bit Johnson counter sequence.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A stepper motor makes its rotation in smooth continuous motion.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The storage capacity of a register makes it an important type of memory.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. There are several ways to construct a stepper motor to achieve digitally controlled stepping action. One possibility is to construct four stator coils set up as four pole pairs, each 45° apart and using three ferromagnetic pairs spaced 60° apart.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Parallel load means to load all flip-flops at the same time.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. In a 74164 8-bit shift register, in order for the parallel data output to be synchronously loaded on the negative clock edge, the parallel enable input is LOW.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. A stage is two storage elements in a register.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The ring and Johnson shift counters are uncommon circuits that are similar to synchronous counters.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A type of shift register that requires access to the Q outputs of all stages is ________.

    • Options
    • A. parallel in/serial out
    • B. serial in/parallel out
    • C. serial in/serial out
    • D. a bidirectional shift register
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