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Home ‣ Digital Electronics ‣ Shift Registers Comments
  • Question

  • 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.


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  • A. True
  • B. False

  • Correct Answer
  • True 

    • Shift Registers problems

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    • 1. Bidirectional means having two states.

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    • A. True
    • B. False
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    • 2. A universal shift register has both serial and parallel input and output capacity.

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    • A. True
    • B. False
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    • 3. Practically every possible load, shift, and conversion operation is available in a shift register IC.

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    • A. True
    • B. False
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    • 4. A parallel load operation is asynchronous, so it is not dependent on the clock.

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    • A. True
    • B. False
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    • 5. A ring counter is a register in which a certain pattern of 1s and 0s is continuously outputted in parallel.

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

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    • A. True
    • B. False
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    • 7. A stepper motor makes its rotation in smooth continuous motion.

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

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    • A. True
    • B. False
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    • 9. When is LOW, the data are shifted one bit per clock pulse.

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    • A. True
    • B. False
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    • 10. The 74194 4-bit bidirectional universal shift register has a wide range of applications.

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    • A. True
    • B. False
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