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Home ‣ Digital Electronics ‣ Digital Signal Processing See What Others Are Saying!
  • Question

  • Which of the following best defines Nyquist frequency?


  • Options
  • A. The frequency of resonance for the filtering circuit
  • B. The second harmonic
  • C. The lower frequency limit of sampling
  • D. The highest frequency component of a given analog signal

  • Correct Answer
  • The highest frequency component of a given analog signal 

    • More questions

    • 1. A(n) ________ consists of a programmable array of AND gates that connects to a fixed array of OR gates and is usually OTP.

    • Options
    • A. GAL
    • B. CPLD
    • C. PAL
    • D. SPLD
      • Discuss
    • 2. The Boolean expression can be reduced to ________.

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 3. The bistable multivibrator is an R-C flip-flop.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. An expensive form of programmable logic is SPLD.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. Assume that a 4-bit serial in/serial out shift register is initially clear. We wish to store the nibble 1100. What will be the 4-bit pattern after the second clock pulse? (Right-most bit first.)

    • Options
    • A. 1100
    • B. 0011
    • C. 0000
    • D. 1111
      • Discuss
    • 6. A type of digital circuit technology that uses bipolar junction transistors is ________.

    • Options
    • A. TTL
    • B. CMOS
    • C. LSI
    • D. NMOS
      • Discuss
    • 7. A(n) ________ is a logic circuit that accepts a set of inputs that represents a binary number, and activates only the output that corresponds to that input number.

    • Options
    • A. decoder
    • B. LED
    • C. encoder
    • D. demultiplexer
      • Discuss
    • 8. In a priority encoder, the input with the highest priority is represented on the output.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The MOD number of a Johnson counter will always be equal to one-half the number of flip-flops in the counter.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. When the outputs of several standard TTL gates are connected together, the gate outputs produce more fan-out.

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

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