Discussion
Home ‣ Digital Electronics ‣ Digital System Projects Using HDL Comments
- Question
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
- Correct Answer
- Hi-Z
- 1. 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
- 2. 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
- 3. 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
- 4. 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
- 5. 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
- 6. 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
- 7. What does the major block of an HDL code emulation of a keypad include?
Options- A. A sequencer
- B. A clock
- C. A multiplexer
- D. A ring counter Discuss
- 8. Why should a real hardware functional test be performed on the HDL stepper motor design?
Options- A. To check the speed of the software
- B. To check the current levels in the motor
- C. To check the voltage levels of the real outputs
- D. To provide a fully operational system Discuss
- 9. The accuracy of the frequency counter depends on the:
Options- A. system clock frequency.
- B. number of displayed digits.
- C. sampling rate.
- D. display update rate. Discuss
- 10. Which is not a major block of an HDL frequency counter?
Options- A. Display register
- B. Decoder/display
- C. Timing and control unit
- D. Bit shifter Discuss
Digital System Projects Using HDL problems
Search Results
Correct Answer: Concluding that a fundamental block works perfectly
Correct Answer: The row and column encoded data
Correct Answer: Counters and decoders
Correct Answer: Freeze
Correct Answer: Test it on a simulator
Correct Answer: More precision with longer sampling interval
Correct Answer: A ring counter
Correct Answer: To check the speed of the software
Correct Answer: system clock frequency.
Correct Answer: Bit shifter
Comments
There are no comments.More in Digital Electronics:
Programming
Copyright ©CuriousTab. All rights reserved.