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

  • What is the main disadvantage of the counter-ramp A/D converter?


  • Options
  • A. It requires a counter.
  • B. The counter must count up from zero at the beginning of each conversion sequence, and the conversion time will vary depending on the input voltage.
  • C. It requires a precision clock in order for the conversion to be reliable.
  • D. The counter must count up from zero at the beginning of each conversion sequence, and the conversion time will vary depending on the input voltage. It requires a precision clock in order for the conversion to be reliable.

  • Correct Answer
  • The counter must count up from zero at the beginning of each conversion sequence, and the conversion time will vary depending on the input voltage. 

    • More questions

    • 1. Which is not a part of a GAL16V8's OLMC?

    • Options
    • A. TSMUX
    • B. OMUX
    • C. FMUX
    • D. PSMUX
      • Discuss
    • 2. 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
    • 3. The sum of 11101 + 10111 equals ________.

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

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

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

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

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

    • Options
    • A. 8086/8088
    • B. 80286
    • C. 80386
    • D. Pentium
      • Discuss
    • 9. One of the stages in a register consists of a latch.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A VHDL component is a predefined logic function.

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

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