Discussion
Home ‣ Digital Electronics ‣ Digital System Projects Using HDL Comments
- Question
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
- Correct Answer
- Freeze
- 1. 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 Discuss
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6. 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
- 7. 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
- 8. 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
- 9. 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
- 10. How is the output frequency related to the sampling interval of a frequency counter?
Options- A. Directly with the sampling interval
- B. Inversely with the sampling interval
- C. More precision with longer sampling interval
- D. Less precision with longer sampling interval Discuss
Digital System Projects Using HDL problems
Search Results
Correct Answer: Test it on a simulator
Correct Answer: BCD followed by a MOD-6
Correct Answer: 15°
Correct Answer: With SIGNAL and VARIABLE
Correct Answer: System documentation
Correct Answer: Counters and decoders
Correct Answer: The row and column encoded data
Correct Answer: Concluding that a fundamental block works perfectly
Correct Answer: Hi-Z
Correct Answer: More precision with longer sampling interval
Comments
There are no comments.More in Digital Electronics:
Programming
Copyright ©CuriousTab. All rights reserved.