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Understanding Logic Gates

Authored by NILESH JAIN

Computers

Professional Development

Understanding Logic Gates
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a logic gate?

A logic gate is an electronic device that performs a basic operation on one or more binary inputs to produce a single binary output.

A logic gate is a mathematical formula used for calculations.

A logic gate is a type of computer software.

A logic gate is a physical switch that controls power.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Name the basic types of logic gates.

TRUE, FALSE, MAYBE

AND, OR, NOT, NAND, NOR, XOR, XNOR

ADD, SUBTRACT, MULTIPLY

INPUT, OUTPUT, PROCESS

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does an AND gate do?

An AND gate outputs true if at least one input is true.

An AND gate outputs false only when all its inputs are false.

An AND gate outputs true only when all its inputs are true.

An AND gate can have any number of inputs but only needs one to be true.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the output of an OR gate when both inputs are false?

true

false

null

undefined

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Describe the function of a NOT gate.

The function of a NOT gate is to amplify the input signal.

The function of a NOT gate is to pass the input signal unchanged.

The function of a NOT gate is to invert the input signal.

The function of a NOT gate is to combine multiple input signals.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the difference between NAND and NOR gates?

NAND gate outputs true when all inputs are true; NOR gate outputs false when all inputs are false.

NAND gate outputs false when all inputs are true; NOR gate outputs true when all inputs are false.

NAND gate and NOR gate are identical in function and output.

NAND gate outputs true for all input combinations except when all inputs are false.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many inputs can a typical logic gate have?

5 to 6 inputs

1 to 2 inputs

10 or more inputs

2 to 4 inputs

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