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Counters

Q1: An asynchronous 4-bit binary down counter changes from count 2 to count 3. How many transitional states are required?

A None

B One

C Two

D Fifteen

ANS:D - Fifteen

Mainly it's down counter, firstly it counts from 15 to 2 then it counts 2 to 3.

So the state from 15 to 2 is 14 & for counting 2 to 3 is 1. Therefore, overall states are required for counting 2 to 3 is 15.



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