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Logic Gates (AND, OR and NOT)

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

🖥️ What is the primary field where logic gates are applied?

a)

Mathematics

b)

Computer Science

c)

Chemistry

d)

Literature

2.

✅❌ Logical statements in computer science can be evaluated as?

a)

True only

b)

False only

c)

Either true or false

d)

Neither true nor false

3.

🧮 In computer science, what does 'true' typically represent?

a)

0

b)

1

c)

2

d)

3

4.

🔢 Computers perform operations in which numerical system?

a)

Decimal

b)

Binary

c)

Hexadecimal

d)

Octal

5.

📊 What tool is used to represent every possible output in a boolean expression?

a)

Pie chart

b)

Line graph

c)

Truth table

d)

Histogram

6.

🔄 The NOT operation in logic gates is also known as?

a)

Conjunction

b)

Disjunction

c)

Negation

d)

Addition

7.

🚦A NOT operation in logic gates takes how many inputs?

a)

Zero

b)

One

c)

Two

d)

Three

8.

🤔In boolean algebra, how can the NOT operation be represented?

a)

A bar over a letter

b)

An upside-down letter

c)

A letter with a dot

d)

A letter with a slash

9.

🌐The OR operation in logic gates is also referred to as?

a)

Negation

b)

Conjunction

c)

Disjunction

d)

Division

10.

🤝 The AND operation in logic gates is symbolized by which of the following?

a)

A dot

b)

A plus sign

c)

A bar

d)

A slash

11.

🎛️ How many inputs does an OR gate typically have?

a)

One

b)

Two

c)

Three

d)

Four

12.

🔣 In boolean algebra, the OR operation can be represented by which symbol?

a)

+

b)

*

c)

-

d)

/

13.

🖇️ An AND gate will output true only if?

a)

All inputs are false

b)

At least one input is true

c)

All inputs are true

d)

None of the inputs are true

14.

🧪 Logic gates are a fundamental component in which of the following?

a)

Chemical equations

b)

Digital circuits

c)

Biological processes

d)

Physical laws

15.

📝 What is the main purpose of a truth table?

a)

To calculate probabilities

b)

To demonstrate chemical reactions

c)

To show all possible outcomes of a boolean expression

d)

To plot data points

16.

💡The output of a NOT gate is true when the input is?

a)

True

b)

False

c)

Indeterminate

d)

Alternating

17.

🌟 The symbol for AND in boolean algebra is?

a)

+

b)

-

c)

*

d)

/

18.

🎓Which discipline also uses logic gates besides computer science?

a)

Sociology

b)

Philosophy

c)

Economics

d)

Geography

19.

In a logic gate diagram, what do the symbols represent?

a)

Mathematical functions

b)

Physical forces

c)

Digital circuits

d)

Biological cells

20.

In boolean algebra, which operation is represented by a plus sign (+)?

a)

AND

b)

OR

c)

NOT

d)

XOR

21.

What does a NOT gate do to its input?

a)

Doubles it

b)

Halves it

c)

Inverts it

d)

Squares it

22.

The OR gate outputs true if?

a)

Both inputs are false

b)

At least one input is true

c)

Both inputs are true

d)

None of the inputs are true

23.

In a truth table, what do the columns represent?

a)

Variables and constants

b)

Inputs and outputs

c)

Functions and derivatives

d)

Equations and solutions

24.

Which field of study is closely related to the application of logic gates?

a)

Astronomy

b)

Psychology

c)

Linguistics

d)

Geology

25.

What is the primary role of a logic gate in computer science?

a)

Data storage

b)

Data processing

c)

Display output

d)

Power management

26.

The fundamental concept behind computers operating in binary is?

a)

Voltage levels

b)

Color coding

c)

Sound waves

d)

Temperature variations

27.

The physical implementation of logic gates in hardware is crucial for?

a)

Mechanical engineers

b)

Civil engineers

c)

Electrical engineers

d)

Environmental engineers

28.

The shape of an AND gate is characterized by?

a)

Flat back and curved front

b)

Curved back and flat front

c)

Two parallel lines

d)

A single diagonal line

29.

The output of an OR gate is false only when?

a)

Both inputs are true

b)

At least one input is true

c)

Both inputs are false

d)

The inputs are alternating

30.

In discrete mathematics, logic gates are used to?

a)

Solve equations

b)

Define sets

c)

Model logical operations

d)

Calculate derivatives