A

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Q. The open collector outputs of two 2-input NAND gates are connected to a common pull up resistor. If the inputs to the gates are P, Q, and R, S respectively. The output is equal to ?

  • (A) P-Q, R.S.
  • (B) PQ+ RS
  • (C) P.Q+R.S
  • (D) P.Q.R.S

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