A counter circuit is usually constructed of ____________a)A number of latches connected in cascade formb)A number of NAND gates connected in cascade formc)A number of flip-flops connected in cascaded)A number of NOR gates connected in cascade formCorrect answer is option 'C'. Can you explain this answer?

Question

Answer

A counter circuit is usually constructed of a number of flip-flops connected in cascade.

Explanation:
A counter circuit is a sequential circuit that cycles through a sequence of states. It is commonly used in digital systems to count events or to generate timing signals. One of the most common types of counters is the binary counter, which counts in binary format.

A counter circuit can be implemented using various types of flip-flops, such as D flip-flops or JK flip-flops. These flip-flops are connected in cascade, which means that the output of one flip-flop is connected to the input of the next flip-flop in the sequence.

Advantages of using flip-flops in a counter circuit:
1. Simplifies the design: Using flip-flops in a counter circuit simplifies the design process as flip-flops are readily available components. They can be easily connected in cascade to create a counter circuit.
2. Provides synchronization: Flip-flops provide synchronization, ensuring that the outputs of the counter circuit change at the desired time intervals.
3. Allows for easy expansion: By adding more flip-flops to the cascade, the counter circuit can be easily expanded to count to a larger number or perform more complex operations.

Working of a counter circuit:
1. Initially, all flip-flops are reset to a known state (usually 0).
2. When an input signal triggers the counter circuit, the first flip-flop in the cascade changes its state.
3. This change in state propagates through the cascade, causing subsequent flip-flops to change their states according to the desired counting sequence.
4. The last flip-flop in the cascade generates the output signal of the counter circuit.
5. The counter circuit continues to cycle through the sequence of states until it reaches its maximum count value or until it is reset.

Conclusion:
A counter circuit is usually constructed using a number of flip-flops connected in cascade. This approach simplifies the design, provides synchronization, and allows for easy expansion of the counter circuit. Flip-flops are essential components in implementing counters and are widely used in digital systems for counting and timing applications.

Answer

A counter circuit is usually constructed of a number of flip-flops connected in cascade. Preferably, JK Flip-flops are used to construct counters and registers.

Similar GATE Doubts

Two systems with impulse responsesh1(t) and h2(t) are connected in cascade.Then the overall impulse response of the cascaded system is given by

Two systems with impulse responses h1(t) and h2(t) are connected in cascade.Then the overall impulse response of the cascaded system is given by

Top Courses for GATE

Suggested Free Tests

Related Content

Mock Test Series

Subject-wise Courses

Other Engg Branches

Related Exams

Company