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  • Question

  • In order to use a shift register as a counter, ________.


  • Options
  • A. the register's serial input is the counter input and the serial output is the counter output
  • B. the parallel inputs provide the input signal and the output signal is taken from the serial data output
  • C. serial in/serial out register must be used
  • D. the serial output of the register is connected back to the serial input of the register

  • Correct Answer
  • the serial output of the register is connected back to the serial input of the register 

    • Counters problems

    Search Results

    • 1. The MOD-10 counter is also referred to as a ________ counter.

    • Options
    • A. decade
    • B. strobing
    • C. BCD
    • D. circuit
      • Discuss
    • 2. The given circuit is a(n) ________.


    • Options
    • A. three-bit synchronous binary counter
    • B. eight-bit asynchronous binary flip-flop
    • C. two-bit asynchronous binary counter
    • D. four-bit asynchronous binary counter
      • Discuss
    • 3. A 4-bit binary up counter has an input clock frequency of 20 kHz. The frequency of the most significant bit is ________.

    • Options
    • A. 1.25 kHz
    • B. 2.50 kHz
    • C. 160 kHz
    • D. 320 kHz
      • Discuss
    • 4. Shift-register counters use ________, which means that the output of the last FF in the register is connected back to the first FF in some way.

    • Options
    • A. MOD
    • B. feedback
    • C. strobing
    • D. switchbacks
      • Discuss
    • 5. A glitch that appears on the decoded output of a ripple counter is often difficult to see on an oscilloscope because ________.

    • Options
    • A. it is a random event
    • B. it occurs less frequently than the normal decoded output
    • C. it is very fast
    • D. all of the above
      • Discuss
    • 6. ________ counters are often used whenever pulses are to be counted and the results displayed in decimal.

    • Options
    • A. Synchronous
    • B. Bean
    • C. Decade
    • D. BCD
      • Discuss
    • 7. Exclusive-AND gates are needed for conversions between Gray code and binary code.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. A BCD is used for communication between a computer and a human being because it is too easy to deal with arithmetically.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The microcontroller needs to use only three input lines to monitor eight separate points.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. The 74154 is a 1-of-16 decoder. It accepts a 4-bit binary input.

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

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