Sequential Logic Circuits Questions and Answers

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Q11
What is a shift register that will accept a parallel input and can shift data left or right called?
  • A tri-state
  • B end around
  • C bidirectional universal
  • D conversion
Answer: Option C
Q12
What happens to the parallel output word in an asynchronous binary down counter whenever a clock pulse occurs?
  • A The output word decreases by 1.
  • B The output word decreases by 2.
  • C The output word increases by 1.
  • D The output word increases by 2.
Answer: Option A
Q13
What happens to the parallel output word in an asynchronous binary down counter whenever a clock pulse occurs?
  • A The output word decreases by 1.
  • B The output word decreases by 2.
  • C The output word increases by 1.
  • D The output word increases by 2.
Answer: Option A
Q14
Mod-6 and mod-12 counters are most commonly used in:
  • A frequency counters
  • B multiplexed displays
  • C digital clocks
  • D power consumption meters
Answer: Option C
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