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  • Question
  • A sequence of equally spaced timing pulses may be easily generated by a(n) __________.


  • Options
  • A. ring counter
  • B. johnson counter
  • C. binary up counter
  • D. ripple counter

  • Correct Answer
  • ring counter 


  • Sequential Logic Circuits problems


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    • 1. Ring and johnson counters are _______.

    • Options
    • A. asynchronous counters
    • B. synchronous counters
    • C. true binary counters
    • D. asynchronous and true binary counters
    • Discuss
    • 2. Synchronous construction reduces the delay time of a counter to the delay of __________.

    • Options
    • A. all flip-flops and gates
    • B. a single flip-flop and a gate
    • C. all flip-flops and gates after a 3 count
    • D. a single gate
    • Discuss
    • 3. 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. a 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
    • Discuss
    • 4. To operate correctly, starting a ring counter requires __________.

    • Options
    • A. clearing one flip-flop and presetting all the others
    • B. clearing all the flip-flops
    • C. presetting one flip-flop and clearing all the others
    • D. presetting all the flip-flops
    • Discuss
    • 5. A _________ shift register can shift stored data either left or right.

    • Options
    • A. bidirectional
    • B. tri-state
    • C. universal
    • D. bidirectional universal
    • Discuss
    • 6. When two counters are cascaded, the overall mod number is equal to the __________ of their individual mod numbers.

    • Options
    • A. product
    • B. sum
    • C. log
    • D. reciprocal
    • Discuss
    • 7. The mod-10 counter is also referred to as a ________ counter.

    • Options
    • A. decade
    • B. strobing
    • C. ring
    • D. BCD
    • Discuss
    • 8. A 4-bit PISO shift register that receives 4 bits of parallel data will shift to the ________ by ________ position(s) for each clock pulse.

    • Options
    • A. right, one
    • B. right, two
    • C. left, one
    • D. left, three
    • Discuss
    • 9. An SRAM storage cell is less complex than a DRAM storage cell.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. When a binary word is stored in a memory location of a ROM, the process is called burning in.

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


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