logo

CuriousTab

CuriousTab

Discussion


Home Digital Electronics Digital Design See What Others Are Saying!
  • Question
  • In the automatic reset circuit for a flip-flop, how long does it take the capacitor to completely charge?


  • Options
  • A. 1 time constant (RC)
  • B. 2 time constants (RC)
  • C. 5 time constants (RC)
  • D. 10 time constants (RC)

  • Correct Answer
  • 5 time constants (RC) 


  • More questions

    • 1. A current-sourcing transistor may also be referred to as a pull-down transistor.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. The value of the data shown in the given figure is ________.


    • Options
    • A. between 0 and 1
    • B. 1011001
    • C. 5
    • D. 1001101
    • Discuss
    • 3. How many combinations are handled in an LUT?

    • Options
    • A. 4
    • B. 8
    • C. 16
    • D. 32
    • Discuss
    • 4. As a rule, CMOS has the lowest power consumption of all IC families.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. In a FLEX10K device, the carry chain provides a fast carry forward function between ________.

    • Options
    • A. LUTs
    • B. EABs
    • C. LEs
    • D. LABs
    • Discuss
    • 6. When two counters are cascaded, the overall MOD number is equal to the ________ of their individual MOD numbers.

    • Options
    • A. product
    • B. sum
    • C. log
    • D. reciprocal
    • Discuss
    • 7. A parallel load operation is asynchronous, so it is not dependent on the clock.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. The 2's complement of the binary number 1000 is ________.

    • Options
    • A. 111
    • B. 0110
    • C. 1110
    • D. 1000
    • Discuss
    • 9. It is normal for more than one decoder output to be active at the same time.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. How many outputs would two 8-line-to-3-line encoders, expanded to a 16-line-to-4-line encoder, have?

    • Options
    • A. 3
    • B. 4
    • C. 5
    • D. 6
    • Discuss


    Comments

    There are no comments.

Enter a new Comment