Gate CS-2017-2 Question Paper With Solutions

Q. 57 The next state table of a 2 bit saturating up-counter is given below.

The counter is built as synchronous sequential circuit using T flip-flops. The value for T₁ and T are

(A) T₁ = QQ₁
T = Q’Q’₁

(B) T₁ = Q’₁Q
T = Q’₁ + Q’

(C) T₁ = Q₁ + Q
T = Q’₁ + Q’

(D) T₁ = Q’₁Q
T = Q₁ + Q

Answer: (B)

Explanation: