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  • Question
  • What is the duty cycle of the waveform at the output of the circuit given below?

    What is the duty cycle of the waveform at the output of the circuit given below? 78% 56% 50% 44%


  • Options
  • A. 78%
  • B. 56%
  • C. 50%
  • D. 44%

  • Correct Answer
  • 56% 


  • More questions

    • 1. An EPM 7128S in a ________ PQFP package has 12 I/O per LAB plus 4 additional input-only pins for a total of 100 pins.

    • Options
    • A. 100-pin
    • B. 120-pin
    • C. 140-pin
    • D. 160-pin
    • Discuss
    • 2. Assume you want to determine the timing diagram for a 4-bit counter using an oscilloscope. The best choice for an oscilloscope trigger signal is ________.

    • Options
    • A. the most significant bit (MSB)
    • B. the least significant bit (LSB)
    • C. the clock signal
    • D. from a composite of the MSB and LSB
    • Discuss
    • 3. The J-K flip-flop is a standard building block of clocked (sequential) logic circuits known as a ________.

    • Options
    • A. FUNCTION
    • B. logic primitive
    • C. VARIABLE
    • D. PROCESS
    • Discuss
    • 4. A flip-flop's normal starting state when power is first applied to a circuit is always the SET state.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. How many exclusive-NOR gates would be required for an 8-bit comparator circuit?

    • Options
    • A. 4
    • B. 6
    • C. 8
    • D. 10
    • Discuss
    • 6. A circuit that converts some binary code into a singular active output representing its numerical value is a comparator.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. In DRAM operations, it is assumed that R/W is in its ________ state during a ________ operation.

    • Options
    • A. HIGH, read
    • B. Hi-Z, write
    • C. HIGH, write
    • D. Hi-Z, read
    • Discuss
    • 8. Convert the following decimal number to BCD.
      127

    • Options
    • A. 011100100001
    • B. 111010001
    • C. 001010111
    • D. 000100100111
    • Discuss
    • 9. To determine which of two binary numbers is larger, you could use a(n) ________.

    • Options
    • A. register
    • B. adder
    • C. encoder
    • D. magnitude comparator
    • Discuss
    • 10. One aspect of project planning and management is the selection of ________ that will best fit the application.

    • Options
    • A. hardware platform
    • B. software
    • C. personnel
    • D. time
    • Discuss


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