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GATE CSE 2024 Session 2 Q30: False Boolean identities

Digital Logic
1 mark
MSQ
No negative marking

For a Boolean variable $x$ , which of the following statements is/are FALSE?

Try it: multiple select: one or more correct options

Select all correct options. No negative marking, no partial marks.

Show answer and explanation

Answer: B, C (official GATE 2024 final answer key)

Concept used: Basic Boolean algebra laws: identity, null (domination), idempotence and complement.

First step: Test each statement with $x = 1$ and $x = 0$ .

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Source: official GATE 2024 Session 2 CS question paper and final answer key, organised by IISc Bangalore. Question paper · Answer key

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