A ring counter is same asans.shift registerripple carry counterup-down counterparallel- counter Previous Marked for Review Next

It seems like you're asking about the comparison between a ring counter and other types of counters. Here's a brief explanation:

1. A ring counter is a type of shift register. A shift register is a cascade of flip flops, sharing the same clock, in which the output of one flip flop is connected to the input of the next. A ring counter is a circular shift register which is initiated such that only one of its flip flops is the state one while others are in their zero states.

2. A ring counter is not the same as a ripple carry counter. A ripple carry counter, also known as an asynchronous counter, is a counter where the overflow from one flip flop is used to increment the next flip flop in the sequence.

3. A ring counter is also not the same as an up-down counter. An up-down counter is a counter that can count in both directions - up and down, based on the input it is given.

4. Lastly, a ring counter is not the same as a parallel counter. A parallel counter, or synchronous counter, differs from the ripple counter in that all its flip flops are triggered simultaneously, rather than in a sequence.

So, in conclusion, a ring counter is the same as a shift register, but not the same as a ripple carry counter, up-down counter, or parallel counter.