logo

CuriousTab

CuriousTab

Discussion


Home Digital Electronics Digital System Projects Using HDL Comments

  • Question
  • In an HDL application of a stepper motor, after an up/down counter is built what is done next?


  • Options
  • A. Build the sequencer
  • B. Test it on a simulator
  • C. Test the decoder
  • D. Design an intermediate integer variable

  • Correct Answer
  • Test it on a simulator 


  • Digital System Projects Using HDL problems


    Search Results


    • 1. In the digital clock project, what type of counter is used to count to 59 seconds?

    • Options
    • A. MOD-60
    • B. MOD-6
    • C. BCD
    • D. BCD followed by a MOD-6
    • Discuss
    • 2. In a full-step sequence involving two flip-flops driving four coils of a stepper motor, how far will the stepper motor step?

    • Options
    • A. 90°
    • B. 45°
    • C. 30°
    • D. 15°
    • Discuss
    • 3. What are two ways to remember the current state of a counter in VHDL?

    • Options
    • A. With FUNCTIONS and PROCESS
    • B. With counters and timers
    • C. With SIGNAL and VARIABLE
    • D. With bit types
    • Discuss
    • 4. Which is not a step that should be followed in project management?

    • Options
    • A. Overall definition
    • B. System documentation
    • C. Synthesis and testing
    • D. System integration
    • Discuss
    • 5. In the keypad application, what does the preset state of the ring counter define?

    • Options
    • A. The proper output of the column encoder
    • B. The NANDing of the rows
    • C. The NANDing of the columns
    • D. The proper output of the row encoder
    • Discuss
    • 6. What does the ring counter in the HDL keypad application do when a key is pressed?

    • Options
    • A. Count to find the row
    • B. Freeze
    • C. Count to find the column
    • D. Start the D flip-flop
    • Discuss
    • 7. What must a stepper motor HDL application include?

    • Options
    • A. Variables and processes
    • B. Types and bits
    • C. Counters and decoders
    • D. Sequencers and multiplexers
    • Discuss
    • 8. In the keypad application, what does the data signal define?

    • Options
    • A. The row and column encoded data
    • B. The ring encoded data
    • C. The freeze locator data
    • D. The ring counter data
    • Discuss
    • 9. When designing an HDL digital system, which is the worst mistake one can make?

    • Options
    • A. Concluding that a fundamental block works perfectly
    • B. Failing to provide proper documentation
    • C. Adding blocks of code prior to testing them
    • D. Overlooking a possible VARIABLE
    • Discuss
    • 10. In the keypad application, when all columns are HIGH, the ring counter is enabled and counting, and dav is LOW, what is the status of the d outputs?

    • Options
    • A. On
    • B. Off
    • C. Hi-Z
    • D. 1011
    • Discuss


    Comments

    There are no comments.

Enter a new Comment