Introduction to Programming: Master the Fundamentals of Coding

Question 1

What is the primary purpose of using a semicolon (;) at the end of a statement in Java code?

Accepted Answer

To separate multiple statements

Answer

To indicate the end of a method

Answer

To define a variable

Answer

To assign a value to a variable

Question 2

Which of the following arithmetic operators is used for addition in Java?

Accepted Answer

+

Answer

-

Answer

*

Answer

/

Question 3

Which of the following is NOT considered a basic data type in programming languages?

Accepted Answer

Array

Answer

Integer

Answer

Float

Answer

String

Question 4

Which operator is used to concatenate strings in Python?

Accepted Answer

+

Answer

*

Answer

/

Answer

%

Question 5

What is the primary purpose of a control structure in programming?

Accepted Answer

To control the flow of execution

Answer

To store data

Answer

To define a method

Answer

To create an object

Question 6

Which of the following is a valid variable name in Python?

Accepted Answer

my_name

Answer

1number

Answer

True

Answer

for

Question 7

In Java, what's the main reason for using a try-catch block?

Accepted Answer

To create a safe environment for code that might throw exceptions

Answer

To halt program execution if an exception occurs

Answer

To prevent exceptions from happening during program execution

Answer

To handle exceptions only in multi-threaded code

Question 8

In Java, which keyword is used to create a subclass that inherits from an existing class?

Accepted Answer

extend

Answer

inherit

Answer

implements

Answer

derive

Question 9

Which of the following is a valid variable name in Java according to naming conventions?

Accepted Answer

x

Answer

123

Answer

int

Answer

double

Question 10

What is the data type of a variable that can store whole numbers without decimal places?

Accepted Answer

int

Answer

float

Answer

double

Answer

string

Question 11

Which operator is used in Java to assign a value to a variable?

Accepted Answer

=

Answer

+

Answer

-

Answer

*

Question 12

What is the purpose of an if-else statement?

Accepted Answer

To execute code only if a specified condition is met

Answer

To repeatedly execute a set of instructions for a specified number of times

Answer

To store data in a variable

Answer

To terminate a program

Question 13

Which of the following is NOT a looping structure used in Java?

Accepted Answer

if

Answer

for

Answer

while

Answer

do-while

Question 14

What is the difference between a parameter and an argument in Java?

Accepted Answer

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

Answer

Arguments are defined in the function header, while parameters are provided when the function is called

Answer

There is no difference between parameters and arguments

Answer

Parameters are passed to a function, while arguments are received by the function

Question 15

Which of the following is a popular agile software development methodology?

Accepted Answer

Agile

Answer

Waterfall

Answer

Spiral

Answer

RAD

Question 16

Which operator in Java is used for checking equality?

Accepted Answer

==

Answer

=

Answer

<=

Answer

>

Question 17

What is the primary purpose of a control structure?

Accepted Answer

Control the flow of a program

Answer

Perform calculations

Answer

Store data

Answer

Handle input/output operations

Question 18

Which of the following is **NOT** a type of loop in C++?

Accepted Answer

For-until loop

Answer

Do-while loop

Answer

For loop

Answer

While loop

Question 19

Which of the following **IS** a valid variable name in Java?

Accepted Answer

myVariable

Answer

my variable

Answer

$variable

Answer

123

Question 20

What is the main purpose of a function in C#?

Accepted Answer

Encapsulate code and perform a specific task

Answer

Control the flow of a program

Answer

Handle input/output operations

Answer

Store data

Question 21

Which of the following is **NOT** an advantage of using object-oriented programming (OOP)?

Accepted Answer

Increased memory usage

Answer

Code reusability

Answer

Encapsulation of data and behavior

Answer

Improved maintainability

Question 22

Which of the following **IS NOT** a component of a compiler?

Accepted Answer

Debugger

Answer

Lexical analyzer

Answer

Parser

Answer

Code generator

Question 23

What is recursion? Provide an example of a recursive function and explain how it works.

Accepted Answer

Recursion is a technique where a function calls itself to solve a smaller version of the same problem until a base case is reached.

Answer

Recursion is when a variable references itself.

Answer

Recursion is a programming technique where the program jumps to a different part of the code.

Answer

Recursion is used to store data in a stack.

Question 24

Which of the following is NOT a primitive data type in Java?

Accepted Answer

String

Answer

int

Answer

float

Answer

boolean

Question 25

Which of the following is NOT a primitive data type in Java?

Accepted Answer

Array

Answer

int

Answer

boolean

Answer

String

Question 26

What is the main purpose of a variable in a program?

Accepted Answer

To store data that can change during program execution

Answer

To control the flow of the program

Answer

To define the structure of the program

Question 27

Which operator is used in Python to assign a value to a variable?

Accepted Answer

=

Answer

+

Answer

/

Answer

*

Question 28

What is the output of the following Python code:
print(int('10') + float('20.5'))

Accepted Answer

30.5

Answer

30

Answer

1020.5

Question 29

Which control structure is used to repeatedly execute a block of code while a condition is true?

Accepted Answer

While loop

Answer

For loop

Answer

Switch statement

Answer

If statement

Question 30

What is the function of a compiler in a programming environment?

Accepted Answer

To translate high-level code into machine code

Answer

To provide a user interface for writing and editing code

Answer

To interpret and execute code line by line

Answer

To debug and find errors in the code

Question 31

Which of the following is considered a best practice for writing readable and maintainable code?

Accepted Answer

Using meaningful variable names and well placed comments

Answer

Writing code in one long line without spaces or new lines

Answer

Using complex and obscure syntax to impress others

Answer

Ignoring code formatting and indentation

Question 32

What is a primary advantage of using a high-level programming language?

Accepted Answer

It allows programmers to write code that is closer to human language

Answer

It produces more efficient machine code

Answer

It makes it easier to write complex algorithms

Question 33

Which operator is used to perform multiplication in most programming languages?

Accepted Answer

*

Answer

%

Answer

/

Answer

+

Question 34

What is the primary purpose of using variables in programming?

Accepted Answer

To store and manipulate data dynamically

Answer

To define fixed program settings

Answer

To create constant values

Answer

To control program flow

Question 35

Which loop structure is most suitable for iterating through all elements of a list in Python?

Accepted Answer

For Loop

Answer

Do-while Loop

Answer

Infinite Loop

Answer

While Loop

Question 36

Which of the following best describes the primary distinction between a compiler and an interpreter in program execution?

Accepted Answer

A compiler translates the entire program into machine code before execution, while an interpreter executes the program line by line.

Answer

A compiler is used for high-level languages and an interpreter for low-level languages.

Question 37

What is a key advantage of adopting a modular approach in software development?

Accepted Answer

Promotes code reusability and maintainability

Answer

Makes debugging easier

Answer

Improves program performance

Answer

Reduces the overall size of the code

Question 38

Which of the following is an unconventional programming approach?

Accepted Answer

Spaghetti Code

Answer

Object-Oriented Programming

Answer

Functional Programming

Answer

Procedural Programming

Question 39

What is the primary purpose of a control structure in programming?

Accepted Answer

To control the execution flow

Answer

To perform mathematical operations

Answer

To define functions

Answer

To store data values

Question 40

Which control structure is designed for repeated execution of code?

Accepted Answer

For Loop

Answer

Switch Statement

Answer

Try-Catch Block

Answer

If Statement

Question 41

What is the distinct characteristic that differentiates a variable from a constant in programming?

Accepted Answer

A variable can change its value, while a constant remains fixed

Answer

Variables store data, while constants are used for calculations

Answer

Variables are local to a block, while constants are global

Answer

Variables require a keyword declaration, but constants do not

Question 42

Which operator in programming is used to compare two values for equality?

Accepted Answer

==

Answer

>

Answer

!=

Answer

=

Question 43

Which of the following is **not** a primitive data type in C++?

Accepted Answer

String

Answer

Char

Answer

Int

Answer

Float

Question 44

What is the primary purpose of a variable in programming?

Accepted Answer

To store data that can be modified during program execution

Answer

To define a function

Answer

To create a loop

Question 45

Which operator is used in Java to compare the equality of two values?

Accepted Answer

==

Answer

>>

Answer

+=

Answer

&&

Question 46

Which of the following options is **not** a fundamental data type in most programming languages?

Accepted Answer

List

Answer

Boolean

Answer

String

Answer

Number

Question 47

Which operator is used to assign a value to a variable in Python?

Accepted Answer

=

Answer

==

Answer

*

Answer

+

Question 48

Which of the following is a valid variable name in Java?

Accepted Answer

myVariable

Answer

$variable

Answer

123abc

Answer

my-variable

Question 49

Which control structure allows a block of code to be executed repeatedly as long as a specified condition is true?

Accepted Answer

While loop

Answer

For loop

Answer

Switch statement

Answer

If statement

Question 50

What is the main purpose of a function in programming?

Accepted Answer

To encapsulate related code and perform a specific task

Answer

To handle user input

Answer

To control the flow of a program

Answer

To store data permanently

Question 51

Which of the following is **not** a valid comparison operator?

Accepted Answer

<>

Answer

<

Answer

!=

Answer

==

Question 52

What is the distinction between a parameter and an argument in a function?

Accepted Answer

A parameter is a variable declared in the function's definition, while an argument is the actual value supplied when the function is called.

Answer

They are essentially the same thing.

Question 53

Which of the following is a valid array declaration in JavaScript?

Accepted Answer

const myArray = [1, 2, 3];

Answer

myArray[1, 2, 3];

Answer

int myArray[] = {1, 2, 3};

Answer

myArray = {1, 2, 3};

Question 54

What is the purpose of the 'break' statement in a loop?

Accepted Answer

To exit the loop immediately

Answer

To terminate the program

Answer

To execute the loop body multiple times

Answer

To skip the current iteration of the loop