Q. How many states does a 3-bit counter have?
Solution
A 3-bit counter can represent 2^3 = 8 different states.
Correct Answer:
C
— 8
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Q. In a 4-bit binary counter, what is the maximum count it can reach?
Solution
A 4-bit binary counter can represent values from 0 to 15, making the maximum count 15.
Correct Answer:
A
— 15
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Q. In a ring counter, how many states does it have if it has 4 flip-flops?
Solution
A ring counter with 4 flip-flops has 4 unique states.
Correct Answer:
A
— 4
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Q. What is a decade counter?
-
A.
A counter that counts from 0 to 9
-
B.
A counter that counts from 0 to 15
-
C.
A counter that counts in binary
-
D.
A counter that counts in hexadecimal
Solution
A decade counter counts from 0 to 9, which is a total of 10 states.
Correct Answer:
A
— A counter that counts from 0 to 9
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Q. What is the main difference between synchronous and asynchronous counters?
-
A.
Synchronous counters count faster
-
B.
Asynchronous counters have a delay
-
C.
Synchronous counters are simpler
-
D.
Asynchronous counters are more accurate
Solution
Asynchronous counters have a propagation delay due to the ripple effect, while synchronous counters change states simultaneously.
Correct Answer:
B
— Asynchronous counters have a delay
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Q. What is the output of a 2-bit binary counter after three clock pulses?
Solution
After three clock pulses, a 2-bit binary counter will output 10 (which is 2 in decimal).
Correct Answer:
C
— 10
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Q. What is the output of a 3-bit counter after 5 clock pulses?
-
A.
000
-
B.
101
-
C.
011
-
D.
111
Solution
After 5 clock pulses, a 3-bit counter will output 101 in binary.
Correct Answer:
B
— 101
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Q. What is the primary advantage of using a synchronous counter?
-
A.
Simplicity in design
-
B.
Faster operation
-
C.
Lower power consumption
-
D.
Easier to implement
Solution
Synchronous counters operate faster because all flip-flops are triggered simultaneously.
Correct Answer:
B
— Faster operation
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Q. What is the primary function of a counter in digital electronics?
-
A.
To store data
-
B.
To count events
-
C.
To perform arithmetic operations
-
D.
To convert signals
Solution
A counter is primarily used to count the number of occurrences of an event.
Correct Answer:
B
— To count events
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Q. What is the primary use of a ring counter?
-
A.
To count pulses
-
B.
To generate specific sequences
-
C.
To store data
-
D.
To perform calculations
Solution
A ring counter is primarily used to generate specific sequences of outputs.
Correct Answer:
B
— To generate specific sequences
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Q. What is the purpose of a reset pin in a counter?
-
A.
To increment the count
-
B.
To set the count to zero
-
C.
To change the counting mode
-
D.
To stop the counter
Solution
The reset pin is used to set the counter back to zero.
Correct Answer:
B
— To set the count to zero
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Q. What type of counter is a Johnson counter?
-
A.
Synchronous counter
-
B.
Asynchronous counter
-
C.
Ring counter
-
D.
Decade counter
Solution
A Johnson counter is a type of ring counter that uses inverted feedback.
Correct Answer:
C
— Ring counter
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Q. What type of counter is used to count both up and down?
-
A.
Up counter
-
B.
Down counter
-
C.
Up/Down counter
-
D.
Ring counter
Solution
An Up/Down counter can count both upwards and downwards based on control signals.
Correct Answer:
C
— Up/Down counter
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Q. Which of the following counters can count both up and down?
-
A.
Decade counter
-
B.
Up counter
-
C.
Down counter
-
D.
Up/Down counter
Solution
An Up/Down counter can count in both directions, either incrementing or decrementing the count.
Correct Answer:
D
— Up/Down counter
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Q. Which of the following is a characteristic of a Johnson counter?
-
A.
Counts in binary
-
B.
Has a feedback loop
-
C.
Counts up only
-
D.
Is a type of decade counter
Solution
A Johnson counter has a feedback loop that allows it to count in a specific sequence.
Correct Answer:
B
— Has a feedback loop
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Q. Which of the following is a characteristic of a ring counter?
-
A.
It can count up and down
-
B.
It has a feedback loop
-
C.
It counts in binary
-
D.
It requires more flip-flops than a binary counter
Solution
A ring counter has a feedback loop where the output of the last flip-flop is fed back to the first.
Correct Answer:
B
— It has a feedback loop
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Q. Which type of counter counts in a binary sequence?
-
A.
Decade counter
-
B.
Ring counter
-
C.
Binary counter
-
D.
Johnson counter
Solution
A binary counter counts in a binary sequence, incrementing its value with each clock pulse.
Correct Answer:
C
— Binary counter
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Q. Which type of counter counts in binary?
-
A.
Decade counter
-
B.
Ring counter
-
C.
Binary counter
-
D.
Johnson counter
Solution
A binary counter counts in binary format, representing numbers in base-2.
Correct Answer:
C
— Binary counter
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Showing 1 to 18 of 18 (1 Pages)
