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GATE | Sudo GATE 2020 Mock II (10 January 2019) | Question 60

Consider following counters:
Counter-1:

Counter-2:



Which of the following option is correct ?
(A) Counter-1 is a three-bit “counter” which counts 0, 1, 2, 4, 5, 7, 0, … . and Counter-2 is a three-bit “counter” which counts 0, 3, 6, 1, 4, 7, 2, 5, 0, 3, … .
(B) Counter-1 is a three-bit “counter” which counts 0, 2, 6, 1, 4, 7, 2, 5, 0, 2, … . and Counter-2 is a three-bit “counter” which counts 0, 1, 2, 4, 5, 7, 0, … .
(C) Counter-1 is a three-bit “counter” which counts 0, 3, 6, 1, 4, 7, 2, 5, 0, 3, … . and Counter-2 is a three-bit “counter” which counts 0, 1, 2, 4, 5, 7, 0, … .
(D) Counter-1 is a three-bit “counter” which counts 0, 3, 6, 1, 4, 7, 2, 5, 0, 3, … . and Counter-2 is a three-bit “counter” which counts 0, 1, 2, 3, 5, 6, 0, … .

Answer: (C)
Explanation: Counter-1 is a three-bit “counter” which counts 0, 3, 6, 1, 4, 7, 2, 5, 0, 3, … . and Counter-2 is a three-bit “counter” which counts 0, 1, 2, 4, 5, 7, 0, … .

Option (C) is correct.
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