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GATE | Gate IT 2007 | Question 7

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Which of the following input sequences for a cross-coupled R-S flip-flop realized with two NAND gates may lead to an oscillation ?

(A)

11, 00

(B)

01, 10

(C)

10, 01

(D)

00, 11



Answer: (D)

Explanation:

RS flip flop using NAND gates. So, 00 input causes indeterminate state which MAY lead to oscillation.


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Last Updated : 19 Nov, 2018
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