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Home ‣ Digital Electronics ‣ Digital System Projects Using HDL Comments
  • Question

  • In the keypad HDL encoder, the data signal is used to combine the row and column encoder data to make a 4-bit value representing the key that was pressed.


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  • Correct Answer
  • True 

    • Digital System Projects Using HDL problems

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    • 1. One of the first steps in any HDL project is to define its scope by knowing the nature of all the signals that are interconnected to pieces of the project.

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    • A. True
    • B. False
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    • 2. In the digital clock project, the AHDL block codes are connected using graphic design files.

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    • A. True
    • B. False
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    • 3. The full-step sequence always has two coils of the stepper motor energized in any state of the sequence and typically causes 30° of shaft rotation per step.

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    • A. True
    • B. False
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    • 4. The frequency counter measures frequency by enabling a counter to count the number of pulses of the incoming waveform during a precisely specified period of time called the sampling time.

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    • A. True
    • B. False
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    • 5. In the frequency counter, a pulse shaper block is needed to ensure that the unknown signal, whose frequency is to be measured, will be compatible with the clock input for the counter block.

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    • A. True
    • B. False
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    • 6. In the VHDL code of the stepper motor, the cout outputs are bit_vector type because they are binary bit patterns.

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    • A. True
    • B. False
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    • 7. In HDL, one of the strategies used in strategic planning is to find the speed requirements.

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    • A. True
    • B. False
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    • 8. In the digital clock project, frequency prescaling is used to take a 1 pps input and transform it into a 60 pps timing signal.

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    • A. True
    • B. False
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    • 9. The direct drive mode of a stepper motor allows for less control by the operator.

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    • A. True
    • B. False
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    • 10. In the keypad HDL encoder, the freeze bit detects when a key is released.

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    • A. True
    • B. False
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