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Q#1
Sequential Circuits
GATE EE 2014
MCQ
+1 mark
-0.33 marks
Which of the following is an invalid state in an 8-4-2-1 Binary coded decimal counter
1 0 0 0
1 0 0 1
0 0 1 1
1 1 0 0
Explanation:
The count in a BCD counter cannot go beyond the decimal value 9 and hence (1100), whose decimal equivalent is ‘12’ cannot be a BCD counter output.
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