Semiconductor Electronics
Class 12 · Semiconductor Electronics · Practice

Logic Gates — Previous-Year Questions

5 previous-year questions on Logic Gates, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.

Q1. AND gate output Y for inputs (A, B) = (1, 0):

JEE 2022

Q2. Which is a UNIVERSAL gate?

JEE 2021

Q3. XOR gate outputs 1 when:

JEE 2020

Q4. DeMorgan's law: (A·B)' equals:

JEE 2019

Q5. NOR gate output for (A, B) = (0, 0):

JEE 2018

Logic Gates previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 12 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.