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Home ‣ Digital Electronics ‣ Flip-Flops See What Others Are Saying!
  • Question

  • Edge-triggered flip-flops can be identified by the triangle on the clock input.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • More questions

    • 1. The characteristic that a change of one binary step on the input of a DAC should cause exactly one step change on the output is called ________.

    • Options
    • A. resolution
    • B. linearity
    • C. monotonicity
    • D. accuracy
      • Discuss
    • 2. The memory operation that presents data on the memory outputs after entering a new address is called ________.

    • Options
    • A. a read cycle
    • B. a write cycle
    • C. a refresh cycle
    • D. a chip select
      • Discuss
    • 3. How many address bits are required for a 4096-bit memory organized as a 512 × 8 memory?

    • Options
    • A. 2
    • B. 4
    • C. 8
    • D. 9
      • Discuss
    • 4. What is the difference between the enable input of the 7475 and the clock input of the 7474?

    • Options
    • A. The 7475 is edge-triggered.
    • B. The 7474 is edge-triggered.
      • Discuss
    • 5. Assembly language is written using mnemonics: MVI, DCR, JZ.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. When does the output of a NOR gate = 0?

    • Options
    • A. Whenever a 0 is present at an input
    • B. Only when all inputs = 0
    • C. Whenever a 1 is present at an input
    • D. Only when all inputs = 1
      • Discuss
    • 7. The 7447 has a 4-bit BCD input, seven individual active-LOW outputs, and a ripple blanking input and output.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The terminal marked A on the CTR block in the given figure is the SET terminal.


    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The step rate of the simulation of a stepper motor is probably ________ the actual stepper motor.

    • Options
    • A. slower than
    • B. more than
    • C. almost the same as
    • D. exactly the same as
      • Discuss
    • 10. PMOS and NMOS are commonly used for small memories and microprocessors.

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

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