A sequential circuit is designed using D flip flops. Based on the following state table , select the best answer for the expression of the D flip flops inputs D1 and D2. Current state QI Q2 Next state...

Extracted text: A sequential circuit is designed using D flip flops. Based on the following state table , select the best answer for the expression of the D flip flops inputs D1 and D2. Current state QI Q2 Next state Q1*Q2* X=0 Output Z X-1 00 01 00 01 01 00 10 11 10 00 0. 11 10 1 Select one: O a. D1=XQ1+XQ2 and D2=X+Q2 O b. D1=XQ1-Q2 and D2=XQ1-Q1Q2 O. D1=XQ1-Q1Q2 and D2=X'Q1-XQ1Q2 TOSHIBA