logo

CuriousTab

CuriousTab

Discussion

Home ‣ Digital Electronics ‣ Flip-Flops Comments
  • Question

  • VHDL does require a special designation for an output with a feedback.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Flip-Flops problems

    Search Results

    • 1. The 7475 is an example of an IC D latch (also called a bistable latch) that contains four transparent D latches.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Most basic latches and flip-flops are available in IC packages of eight latches or flip-flops with a common clock.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. All multivibrators require feedback.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. A gated S-R flip-flop goes into the SET condition when S is HIGH, R is LOW, and EN is HIGH.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. VHDL was created as a very flexible language and it allows us to define the operation of clocked devices in the code without relying on logic primitives.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. Pulse-triggered flip-flops are identified by a bubble on the Q output terminal.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Edge-triggered J-K flip-flops make it hard for design engineers to know when to accept input data.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The propagation delay time tPLH is measured from the triggering edge of the clock pulse to the LOW-to-HIGH transition of the output.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. A TOGGLE input to a J-K flip-flop causes the Q and outputs to switch to their opposite state.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. Pulse-triggered or level-triggered devices are the same.

    • Options
    • A. True
    • B. False
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.