1

GATE CSE 2018

MCQ (Single Correct Answer)

+2

-0.6

Let $$ \oplus $$ and $$ \odot $$ denote the Exclusive OR and Exclusive NOR operations, respectively.

Which one of the following is NOT CORRECT?

2

GATE CSE 2016 Set 1

MCQ (Single Correct Answer)

+2

-0.6

Consider a carry lookahead adder for adding two $$n$$-bit integers, built using gates of fan-in at most two. The time to perform addition using this adder is

3

GATE CSE 2015 Set 1

MCQ (Single Correct Answer)

+2

-0.6

The binary operator $$ \ne $$ is defined by the following truth table.

p | q | p$$ \ne $$q |
---|---|---|

0 | 0 | 0 |

0 | 1 | 1 |

1 | 0 | 1 |

1 | 1 | 0 |

Which one of the following is true about the binary operator $$ \ne $$?

4

GATE CSE 2015 Set 1

MCQ (Single Correct Answer)

+2

-0.6

Consider the operations

$$f\left( {x,y,z} \right) = X'YZ + XY' + Y'Z'$$ and$$g\left( {x,y,z} \right) = X'YZ + X'YZ' + XY$$.

Which one of the following is correct?

Questions Asked from Boolean Algebra (Marks 2)

Number in Brackets after Paper Indicates No. of Questions

GATE CSE 2021 Set 1 (1)
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GATE CSE 2002 (3)
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GATE CSE 1990 (1)

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Discrete Mathematics

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