The primary disadvantage of ring counters is:Question 12Answera.Slow counting speedb.High power consumptionc.Limited counting sequenced.Complexity of design

Analysis of Ring Counters

Ring counters are a type of digital sequential circuit that can be used for counting purposes. Each bit in the counter represents a state, and these states are cycled through in a specific manner. Let’s analyze the options:

1. Slow counting speed: Ring counters can have slower counting speeds compared to other types of counters because they depend on the propagation delay of the flip-flops and the sequential nature of their operation.

2. High power consumption: Generally, ring counters are not known for high power consumption. They can be more power-efficient than some other types of counters depending on the implementation.

3. Limited counting sequence: This is a significant limitation of ring counters. They can only represent a limited number of states determined by the number of flip-flops used. For example, a 4-bit ring counter can only count through 4 states.

4. Complexity of design: While ring counters are relatively simple in their design compared to other complex counting circuits, they don't exhibit significant complexity that might be considered disadvantageous.

Final Answer

The primary disadvantage of ring counters is c. Limited counting sequence.