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JEE Main 20208 JanuaryMorning Shift
Exam
JEE Main
Year
2020
Date
8 January
Shift
Morning Shift
Subject
Physics
Chapter
Semiconductors

JEE Main 2020 · 8 January · Morning Shift · Physics · Semiconductors

Boolean relation at the output stage- Y for the following circuit...

Boolean relation at the output stage- YY for the following circuit is:
Boolean relation at the output stage- Y for the following circuit is:

Options

  1. AA−+B−\overset{-}{A} + \overset{-}{B}
  2. BA+BA + B
  3. CA∙BA ∙ B
  4. DA−∙B−\overset{-}{A} ∙ \overset{-}{B}

Correct answer

D. A−∙B−\overset{-}{A} ∙ \overset{-}{B}

Step-by-step solution

First part of figure shown is OR gate and
Second part of figure shown is NOT gate
So YP=OR+NOT=NORgate{Y}_{P} = OR + NOT = NORgate
Y=A+B¯=A¯.B¯Y = \overset{¯}{A + B} = \overset{¯}{A} . \overset{¯}{B}
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