Physics · JEE

Important Questions: Logic gates (OR, AND, NOT, NAND and NOR) for JEE

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The most important Logic gates (OR, AND, NOT, NAND and NOR) questions for JEE cover conceptual traps, standard results, and numerical patterns from Logic gates (OR, AND, NOT, NAND and NOR). Goodmarks provides 15+ high-yield MCQs with full solutions.

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Q1PhysicsUnit 19: Electronic Devices
Braille is a based on _{-}-_{-}-_{-}- system.
Q2PhysicsUnit 19: Electronic Devices
When all the inputs of a NAND gate are connected together, the resulting circuit is:
Q3PhysicsUnit 19: Electronic Devices
A Truth table is given below. The logic gate having following truth table is ABYA \quad B \quad Y 011\begin{array}{lll}0 & 1 & 1\end{array} 000 \quad 0 0100 \quad 1 \quad 0 10
Q4PhysicsUnit 19: Electronic Devices
Which of the following applications is not based on use of ICs?
Q5PhysicsUnit 19: Electronic Devices
Assertion STATEMENT-1: If output of a AND gate is fed to OR gate, it is called NOR gate. Reason STATEMENT-2: If output of a AND gate is fed to NOT gate, it is called NAND gate.
Q6PhysicsUnit 19: Electronic Devices
The output of the given combination of gates is equivalent to:
Q7PhysicsUnit 19: Electronic Devices
The following circuit is equivalent to
Q8PhysicsUnit 19: Electronic Devices
Person who use boolean algebra for describing the operation of logic gates first was

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What makes a Logic gates (OR, AND, NOT, NAND and NOR) question "important" for JEE?

Important questions test core concepts that appear frequently across JEE Main and Advanced papers — definitions, standard formulas, and classic problem types.

Which subtopics in Electronic Devices are high-weightage?

Key areas include Logic gates (OR, AND, NOT, NAND and NOR). Prioritise these before moving to edge cases.

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Revise 30–50 important MCQs per unit in the last month before JEE. Focus on questions you got wrong at least once.

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