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Home ‣ Digital Electronics ‣ Interfacing to the Analog World See What Others Are Saying!
  • Question

  • Referring to the given figure, what should the display on the scope look like if the A/D converter is working properly?

    Referring to the given figure, what should the display on the scope look like if the A/D converter i


  • Options
  • A. It should be a circular Lissajous pattern resulting from the simultaneous application of ramps to the vertical and horizontal inputs of the oscilloscope.
  • B. The pattern should be a straight line across the screen due to the equal but opposite voltages being applied to the scope inputs.
  • C. A uniform stairstep pattern should be displayed.
  • D. The scope should display a sequential binary count with the LSB on the left and the MSB on the right side of the display.

  • Correct Answer
  • A uniform stairstep pattern should be displayed. 

    • More questions

    • 1. Why must CMOS devices be handled with care?

    • Options
    • A. so they don't get dirty
    • B. because they break easily
    • C. because they can be damaged by static electricity discharge
      • Discuss
    • 2. What decimal value is required to produce an output at "X"?


    • Options
    • A. 1
    • B. 1 or 4
    • C. 2
    • D. 5
      • Discuss
    • 3. Which is not a part of a GAL16V8's OLMC?

    • Options
    • A. TSMUX
    • B. OMUX
    • C. FMUX
    • D. PSMUX
      • Discuss
    • 4. Output will be a LOW for any case when one or more inputs are zero for a(n):

    • Options
    • A. OR gate
    • B. NOT gate
    • C. AND gate
    • D. NOR gate
      • Discuss
    • 5. The sum of 11101 + 10111 equals ________.

    • Options
    • A. 110011
    • B. 100001
    • C. 110100
    • D. 100100
      • Discuss
    • 6. Hex is often used in digital applications as a shorthand way to represent strings of bits.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Four cascaded modulus-10 counters have an overall modulus of ________.

    • Options
    • A. 10
    • B. 100
    • C. 1,000
    • D. 10,000
      • Discuss
    • 8. VHDL is not a new language.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Which is not a removable drive?

    • Options
    • A. Zip
    • B. Jaz
    • C. Hard
    • D. SuperDisk
      • Discuss
    • 10. Which microprocessor has multiplexed data and address lines?

    • Options
    • A. 8086/8088
    • B. 80286
    • C. 80386
    • D. Pentium
      • Discuss

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