Introduction to Programming: Master the Basics of Coding

Question 1

Which data type is not recognized in C programming?

Accepted Answer

String

Answer

Integer

Answer

Double

Answer

Character

Question 2

In programming, what is the main purpose of a variable?

Accepted Answer

Storing data that can be changed during the program

Answer

Defining fixed values that don't change

Answer

Getting input directly from the user

Answer

Controlling how the program runs

Question 3

What is the key difference between a selection statement and a loop statement?

Accepted Answer

A selection statement executes a block of code based on a condition, while a loop statement executes a block of code repeatedly.

Answer

A loop statement executes a block of code based on a condition, while a selection statement executes a block of code repeatedly.

Answer

There is no difference between a selection statement and a loop statement.

Answer

A selection statement executes a block of code once, while a loop statement executes a block of code multiple times.

Question 4

Which of the following is the correct syntax for an 'if' statement in Java?

Accepted Answer

if (condition) { statement(s); }

Answer

if { condition } statement(s);

Answer

if (condition) statement(s);

Answer

if condition { statement(s); }

Question 5

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

Accepted Answer

A parameter is the variable declared in the function definition, while an argument is the value passed to the function when it's called.

Answer

An argument is the variable declared in the function definition, while a parameter is the value passed to the function when it's called.

Answer

There is no difference between a parameter and an argument.

Answer

A parameter is a constant value, while an argument is a variable that can be changed.

Question 6

What is the purpose of an 'if-else' statement in programming?

Accepted Answer

To execute a set of instructions only if a condition is met, otherwise execute another set of instructions

Answer

To iterate over a sequence of values

Answer

To define a new function

Answer

To store a value in memory

Question 7

Which of the following is an example of a looping construct in programming?

Accepted Answer

for loop

Answer

if-else statement

Answer

switch statement

Answer

method invocation

Question 8

Which of the following is a valid variable name in C#?

Accepted Answer

myVariable

Answer

123

Answer

public

Answer

for

Question 9

What is the primary purpose of using a 'try-catch' block in programming?

Accepted Answer

To handle exceptional conditions

Answer

To iterate over a set of values

Answer

To define a new function

Answer

To store a value in memory

Question 10

Which of the following is NOT an advantage of object-oriented programming?

Accepted Answer

Increased code complexity

Answer

Encapsulation

Answer

Reusability

Answer

Modularity

Question 11

Which data type can represent whole numbers without decimal points?

Accepted Answer

int

Answer

float

Answer

double

Answer

string

Question 12

What is the correct syntax to define an array of integers named "numbers" in C++?

Accepted Answer

int numbers[10];

Answer

int[10] numbers;

Answer

array<int> numbers(10);

Answer

int numbers, 10;

Question 13

What is the purpose of a variable in programming?

Accepted Answer

To store and manipulate data

Answer

To control the flow of the program

Answer

To perform calculations

Answer

To display output to the user

Question 14

What is the difference between a compiler and an interpreter?

Accepted Answer

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

Answer

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

Answer

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

Answer

There is no difference between a compiler and an interpreter.

Question 15

What is the typical file extension for C++ source code files?

Accepted Answer

.cpp

Answer

.c

Answer

.java

Answer

.cs

Question 16

Which of the following is NOT a benefit of using integrated development environments (IDEs) for programming?

Accepted Answer

Increased program execution speed

Answer

Code editing and debugging tools

Answer

Automatic code completion and refactoring

Answer

Version control integration

Question 17

What is the resulting data type of '5 + 3j' in Python?

Accepted Answer

complex number

Answer

int

Answer

float

Answer

string

Question 18

What is the primary function of the 'break' statement within a Python loop?

Accepted Answer

To terminate the loop prematurely

Answer

To continue the execution of the loop

Answer

To pause the execution of the loop

Answer

To skip the current iteration

Question 19

What is the resulting output of the Python code: print(round(3.1415, 2))?

Accepted Answer

3.14

Answer

3.141

Answer

3

Answer

3.1415

Question 20

What is the primary purpose of a compiler in the programming process?

Accepted Answer

To translate high-level code into machine code

Answer

To rectify errors within the program

Answer

To enhance the efficiency of the program

Answer

To execute the program

Question 21

Which data type in C# is NOT considered a primitive type?

Accepted Answer

string

Answer

boolean

Answer

integer

Answer

decimal

Question 22

What is the primary function of an assignment operator?

Accepted Answer

Assign a value to a variable

Answer

Compare two values and return a logical outcome

Answer

Perform arithmetic operations on numerical values

Answer

Control the execution flow of a program

Question 23

Which control structure enables the repetitive execution of code while a specified condition remains true?

Accepted Answer

while loop

Answer

if-else statement

Answer

for loop

Answer

switch statement

Question 24

What is the fundamental difference between a variable and a constant?

Accepted Answer

Variables can be modified, while constants remain unchanged.

Answer

Constants can be modified, while variables are fixed.

Answer

Variables and constants are essentially the same in C#.

Answer

Constants can store complex data structures, while variables cannot.

Question 25

Identify the operator used for performing a logical OR operation in C#.

Accepted Answer

||

Answer

&&

Answer

!

Answer

^

Question 26

What is the result of evaluating the expression: Console.WriteLine(7 % 3); in C#?

Accepted Answer

1

Answer

0

Answer

3

Answer

7

Question 27

Which term describes a reserved word in C# that has a specific meaning to the compiler?

Accepted Answer

Keyword

Answer

Identifier

Answer

Operator

Answer

Literal

Question 28

What is the primary purpose of using namespaces in C#?

Accepted Answer

Organize and group related classes and methods

Answer

Create new data types in the program

Answer

Control access to variables and methods

Answer

Define functions and their return types

Question 29

How are methods distinct from functions in C#?

Accepted Answer

Methods operate on objects, whereas functions do not.

Answer

Functions operate on objects, whereas methods do not.

Answer

Methods and functions are interchangeable terms in C#.

Answer

There is no distinction between methods and functions.

Question 30

Which operator is used for arithmetic addition in C++?

Accepted Answer

+

Answer

*

Answer

-

Answer

/

Question 31

What is the main purpose of using a control structure in programming?

Accepted Answer

To control the flow of execution based on specified conditions or iterations

Answer

To declare variables

Answer

To perform complex calculations

Answer

To store data

Question 32

Which of the following is NOT a common type of control structure?

Accepted Answer

Assignment statement

Answer

For loop

Answer

While loop

Answer

If-else statement

Question 33

What is the significance of the "main" function in a C++ program?

Accepted Answer

It serves as the entry point, where program execution begins

Answer

It performs all the necessary calculations

Answer

It defines the program's data structures

Answer

It handles input and output operations

Question 34

Which syntax is correct for declaring an integer variable in C++?

Accepted Answer

int variableName;

Answer

int = variableName;

Answer

integer variableName;

Answer

variableName = int;

Question 35

What is the primary purpose of the "for" loop in C++?

Accepted Answer

To execute a block of code a specified number of times

Answer

To control the flow of execution based on user input

Answer

To execute a block of code indefinitely

Answer

To execute a block of code based on a condition

Question 36

Which of the following is NOT a valid comparison operator in C++?

Accepted Answer

&&

Answer

==

Answer

>

Answer

<

Question 37

What is the main purpose of using the "cout" statement in C++?

Accepted Answer

To display output on the console or standard output device

Answer

To store data in a variable

Answer

To control the flow of execution

Answer

To take input from the user

Question 38

Which of the following data types is most suitable for storing a student's age?

Accepted Answer

Integer

Answer

Float

Answer

Boolean

Answer

String