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MHT CET20228 Aug 2022Morning ShiftPhysicsSemiconductorsActual

For the following combination of logic gates, when all the three inputs A , B and C are first 'high' and then 'low', the output Y will be respectively.

Options

  1. A0,0
  2. B0,1
  3. C1,0
  4. D1,1

Correct answer

B. 0,1

Step-by-step solution

Let inputs A, B and C are given to the circuit. Gate-I is AND gate while gate-II is NAND gate. Output Y= (A . B . C) When A=1, B=1, C=1 , then Y= (1 1) 1 = 1 1 = 1 =0 When A=0, B=0, C=0 , then Y= (0.0) 0 = 0.0 =1

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