Asynchronous Counter MCQ

Test your knowledge with important Asynchronous Counter MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Asynchronous Counter MCQs at Bissoy

• A principle regarding most display decoders is that when the correct input is present, the related output will switch ____________
  ক

  HIGH

  খ

  To high impedance

  গ

  To an open

  ঘ

  LOW
• A 4-bit counter has a maximum modulus of ____________
  ক

  3

  খ

  6

  গ

  8

  ঘ

  16
• A ripple counter’s speed is limited by the propagation delay of ____________
  ক

  Each flip-flop

  খ

  All flip-flops and gates

  গ

  The flip-flops only with gates

  ঘ

  Only circuit gates
• Three cascaded decade counters will divide the input frequency by ____________
  ক

  10

  খ

  20

  গ

  100

  ঘ

  1000
• A 4-bit ripple counter consists of flip-flops, which each have a propagation delay from clock to Q output of 15 ns. For the counter to recycle from 1111 to 0000, it takes a total of ____________
  ক

  15 ns

  খ

  30 ns

  গ

  45 ns

  ঘ

  60 ns
• An asynchronous 4-bit binary down counter changes from count 2 to count 3. How many transitional states are required?
  ক

  1

  খ

  2

  গ

  8

  ঘ

  15
• A 5-bit asynchronous binary counter is made up of five flip-flops, each with a 12 ns propagation delay. The total propagation delay (tp(total)) is ____________
  ক

  12 ms

  খ

  24 ns

  গ

  48 ns

  ঘ

  60 ns
• How many different states does a 3-bit asynchronous counter have?
  ক

  2

  খ

  4

  গ

  8

  ঘ

  16
• The terminal count of a typical modulus-10 binary counter is ____________
  ক

  0000

  খ

  1010

  গ

  1001

  ঘ

  1111
• How many flip-flops are required to construct a decade counter?
  ক

  4

  খ

  8

  গ

  5

  ঘ

  10
• What happens to the parallel output word in an asynchronous binary down counter whenever a clock pulse occurs?
  ক

  The output increases by 1

  খ

  The output decreases by 1

  গ

  The output word increases by 2

  ঘ

  The output word decreases by 2
• Internal propagation delay of asynchronous counter is removed by ____________
  ক

  Ripple counter

  খ

  Ring counter

  গ

  Modulus counter

  ঘ

  Synchronous counter
• One of the major drawbacks to the use of asynchronous counters is that ____________
  ক

  Low-frequency applications are limited because of internal propagation delays

  খ

  High-frequency applications are limited because of internal propagation delays

  গ

  Asynchronous counters do not have major drawbacks and are suitable for use in high- and low-frequency counting applications

  ঘ

  Asynchronous counters do not have propagation delays, which limits their use in high-frequency applications
• A ripple counter’s speed is limited by the propagation delay of _____________
  ক

  Each flip-flop

  খ

  All flip-flops and gates

  গ

  The flip-flops only with gates

  ঘ

  Only circuit gates
• How many natural states will there be in a 4-bit ripple counter?
  ক

  4

  খ

  8

  গ

  16

  ঘ

  32