Programming Fundamentals Quizzes: Master the Basics of Coding

Question 1

Differentiate between variables and constants in Python:

Accepted Answer

Variables are mutable, whereas constants are immutable

Answer

Constants are declared using the 'const' keyword, and variables are not

Answer

Variables store values, and constants store references

Answer

There is no distinction between variables and constants

Question 2

Write a valid function definition in Python:

Accepted Answer

def my_function():

Answer

function my_function():

Answer

my_function = function():

Answer

def my_function = function():

Question 3

What is the primary purpose of a 'for' loop in Python?

Accepted Answer

Iterates over a sequence of elements

Answer

Executes code only if a condition is true

Answer

Defines a function

Answer

Declares a variable

Question 4

Describe the effect of a 'break' statement in a Python loop:

Accepted Answer

Terminates the loop prematurely

Answer

Skips the current iteration of the loop

Answer

Continues the current iteration of the loop

Answer

Defines a new loop

Question 5

Which data type is used to represent numerical values without decimal points?

Accepted Answer

Integer

Answer

Double

Answer

String

Answer

Boolean

Question 6

Which operator is used to compare two values for equality?

Accepted Answer

==

Answer

!=

Answer

<

Answer

>

Question 7

What is the main purpose of an 'if' statement in Python?

Accepted Answer

To conditionally execute a block of code

Answer

To create a loop that iterates until a condition is met

Answer

To define a function

Answer

To store data in a variable

Question 8

What is the primary purpose of a function in programming?

Accepted Answer

To group related code into a reusable block

Answer

To store and organize data

Answer

To control the flow of execution

Answer

To create new data types

Question 9

What is the primary use of a debugger in programming?

Accepted Answer

Identifying and resolving errors in code

Answer

Optimizing code efficiency

Answer

Documenting code

Answer

Testing code functionality

Question 10

What is the primary purpose of using a variable in programming?

Accepted Answer

To temporarily store and access data

Answer

To execute code

Question 11

Which operator in Python negates a Boolean value?

Accepted Answer

not

Answer

~

Question 12

What is the main function of a control structure in programming?

Accepted Answer

To direct the flow of execution in a program

Answer

To store data

Question 13

How are parameters different from arguments in a function?

Accepted Answer

Parameters are defined in the function's header, while arguments are provided when the function is called

Answer

Arguments are passed to a function, while parameters are defined in the function

Question 14

Which method is used to write inline comments in Python?

Accepted Answer

# comment

Question 15

What is the purpose of indentation in Python code?

Accepted Answer

To define blocks of code and improve readability

Answer

To define blocks of code

Question 16

In Java, which operator is used to assign a value to a variable?

Accepted Answer

=

Answer

-=

Answer

+=

Answer

*=

Question 17

Which control structure is used to execute a block of code only when a specified condition is true?

Accepted Answer

if statement

Answer

do-while loop

Answer

for loop

Answer

while loop

Question 18

What is the primary purpose of a function?

Accepted Answer

To group related code and perform a specific task

Answer

To store data

Answer

To handle user input

Answer

To control the flow of a program

Question 19

In Java, what is the key difference between a variable and a constant?

Accepted Answer

A variable can be modified, while a constant cannot

Answer

A variable is stored in memory, while a constant is stored in a register

Answer

A constant can be assigned a new value, but a variable cannot

Question 20

Which of the following is NOT an advantage of using functions?

Accepted Answer

Increased code complexity

Answer

Improved readability

Answer

Code reusability