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GATE | Gate IT 2007 | Question 7

  • Last Updated : 19 Nov, 2018

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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