- Home/
- GATE ELECTRONICS/
- GATE EC/
- Article
To Operate Correctly Starting a Ring Shift Counter Requires
By BYJU'S Exam Prep
Updated on: September 25th, 2023
Choose the right answer to the question. To operate correctly, starting a ring shift counter requires the following options and a detailed explanation.
- Clearing all the flip-flops
- Presetting one flip-flop and clearing all the others
- Clearing one flip-flop and presetting all the others
- Presetting all the flip-flops
Table of content
Answer – B.
Presetting one flip-flop and clearing all the other flip-flops is the correct way to start a ring shift counter.
Solution
A detailed solution to the question, to operate correctly starting a ring shift counter, requires provided here.
A common use of the Shift register is as a ring counter. The shift counter and the ring counter are nearly identical. The only difference is that, in the case of the ring counter, the input of the first flip-flop is now connected with the output of the last flip-flop.
The ORI used are Preset (PR) and Clear (CLR). PR and CLR both are active low signals. When PR equals 0, the result is 1. Additionally, the output is 0 when CLR is 0.
The working of this ring counter is as follows: –
