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This mock test of Logic Gates MSQ for Physics helps you for every Physics entrance exam.
This contains 10 Multiple Choice Questions for Physics Logic Gates MSQ (mcq) to study with solutions a complete question bank.
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QUESTION: 1

The output of which of the following logic gate is high when one or both of the input is low :

Solution:

**The NOR gate is a digital logic gate that implements logical NOR - it behaves according to the truth table to the right. A HIGH output (1) results if both the inputs to the gate are LOW (0); if one or both input is HIGH (1), a LOW output (0) results. NOR is the result of the negation of the OR operator.**

QUESTION: 2

Which of the following gate can be build using a single transistor?

Solution:

** Answer :- d**

**Solution :- A transistor can be used as a switch. That is, when base is low collector is high (input zero, output one) and base is high collector is low (input 1, output 0).**

*Multiple options can be correct

QUESTION: 3

If the input to a NOT gate is A and the output is X, then :

Solution:

The correct answer is: X =

*Multiple options can be correct

QUESTION: 4

How many of the inputs of a 4 input AND gate must be HIGH in order for the output of the logic gate to go HIGH?

Solution:

The correct answer is: all 4

*Multiple options can be correct

QUESTION: 5

The output of a logic gate is high when all its inputs are at logic 0. The gate can be :

Solution:

The correct answers are: NOR, XNOR, NAND

*Multiple options can be correct

QUESTION: 6

When simplified with boolean algebra, the expression (x + y)(x + z) simplies to :

Solution:

The correct answer is: x + yz

*Multiple options can be correct

QUESTION: 7

Which gates are required to build an exclusive OR (XOR) gate?

Solution:

The correct answers are: OR, AND, NOT

*Multiple options can be correct

QUESTION: 8

The simplification for the boolean expression is equivalent to :

Solution:

The correct answers are:

*Multiple options can be correct

QUESTION: 9

The boolean expression is equivalent to :

Solution:

The correct answers are:

*Multiple options can be correct

QUESTION: 10

Choose the correct options :

Solution:

The correct answers are: The boolean expression of an **AND** gate followed by an inverter is same as the boolean expression for a **NAND** gate., The boolean expression for an **OR** gate followed by a **NOT** gate is same as that for a NOR gate, No two basic logic gates have the same boolean expression

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