Electronics and Communication Engineering - Exam Questions Papers - Discussion
Discussion Forum : Exam Questions Papers - Exam Paper 9 (Q.No. 39)
39.
Figure below shows D type Flip-Flops connected as shift register, then outputs QD, QC, QB, QA are given by:
Answer: Option
Explanation:
Here DA = QD ⊕ QC; DB = QA; DC = QB;
DD = QC
For the given input string, outputs are QD, QC, QB, QA.
Therefore right most bit is QA and left most bit is QD.
Now we determine the string sequence according to the above mentioned equations.
(i) 
(ii) 
(iii) 
Discussion:
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