Introduction to Programming: Master the Fundamentals of Coding

Question 1

In C++, which syntax correctly declares 'num' as an integer variable?

Accepted Answer

int num;

Answer

num int;

Answer

integer num;

Answer

int = num;

Question 2

Which data type can store whole numbers (no decimal)?

Accepted Answer

Integer

Answer

Float

Answer

Double

Answer

String

Question 3

Which operator is used to check if two values are equal?

Accepted Answer

==

Answer

=

Answer

!=

Answer

<

Question 4

What is the purpose of a 'for' loop?

Accepted Answer

Executing a set of statements repeatedly for a specified number of times

Answer

Comparing two values

Answer

Storing and retrieving data

Answer

Receiving user input

Question 5

Which is a valid variable name in Python?

Accepted Answer

my_variable

Answer

1variable

Answer

variable$

Answer

for

Question 6

What is the result of this JavaScript code: console.log(typeof true);

Accepted Answer

Boolean

Answer

String

Answer

Number

Answer

Undefined

Question 7

Which of these is NOT a fundamental data type in C++?

Accepted Answer

Array

Answer

Character

Answer

Integer

Answer

Boolean

Question 8

What is the purpose of a comment in Python code?

Accepted Answer

A line ignored by the interpreter which provides additional information

Answer

A variable which stores text

Answer

A data type representing characters

Answer

A keyword which defines functions

Question 9

In Java, which syntax correctly creates an array?

Accepted Answer

array myArray = new array[5];

Answer

array myArray[];

Answer

myArray = array(5);

Answer

myArray[] = new array(5);

Question 10

What does a break statement do when used in a loop?

Accepted Answer

Immediately exits the loop

Answer

Skips the current iteration of the loop

Answer

Increments the loop counter

Answer

Stores data in the loop variable

Question 11

In programming, what is the primary objective of modularity?

Accepted Answer

Promoting code organization and reusability

Answer

Enhancing code efficiency

Answer

Simplifying the debugging process

Question 12

What is the assignment operator in Python?

Accepted Answer

=

Answer

+=

Answer

-=

Answer

*=

Question 13

Which control structure is used to execute a block of code repeatedly as long as a condition remains true?

Accepted Answer

while

Answer

if-else

Answer

for

Answer

switch-case

Question 14

What is the primary purpose of a variable in programming?

Accepted Answer

Store data

Answer

Perform calculations

Answer

Control program flow

Answer

Display output

Question 15

Which of the following is NOT an advantage of using a version control system?

Accepted Answer

Increasing code complexity

Answer

Facilitating collaboration and teamwork

Answer

Tracking changes and history

Answer

Preventing data loss

Question 16

In programming, what's the key difference between a variable and a constant?

Accepted Answer

Variables can change, but constants stay the same.

Answer

Variables hold numbers, while constants hold text.

Answer

Constants use 'const', but variables don't.

Question 17

In programming, what is the primary role of scope?

Accepted Answer

Defining the visibility and accessibility of variables and data types.

Answer

Having no impact on the program's execution.

Answer

Applying only to functions and their parameters.

Answer

Allowing variables declared outside a block to be accessed within it.

Question 18

What is the primary role of operators in programming?

Accepted Answer

Performing calculations or comparisons

Answer

Assigning values to variables

Answer

Controlling the flow of a program

Answer

Storing data in memory

Question 19

What is the key distinction between a variable and a constant in programming?

Accepted Answer

Variables can change values, while constants remain fixed

Answer

Constants can change values, while variables cannot

Answer

Variables are always declared with a specific data type, unlike constants

Answer

There is no difference between variables and constants

Question 20

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

Accepted Answer

Repetitive execution of a set of instructions

Answer

Storing data in an array

Answer

Comparing two values

Answer

Assigning values to variables

Question 21

What is the primary function of a constructor in the Java programming language?

Accepted Answer

Initializing a newly created object

Answer

Comparing two objects

Answer

Destroying an object

Answer

Accessing private members of an object

Question 22

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

Accepted Answer

Array

Answer

Integer

Answer

String

Answer

Float

Question 23

What is the primary purpose of a variable in programming?

Accepted Answer

To store data

Answer

To perform calculations

Answer

To control program flow

Answer

To handle input/output operations

Question 24

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

Accepted Answer

==

Answer

+=

Answer

-=

Answer

*=

Question 25

What is the key difference between a while loop and a for loop?

Accepted Answer

For loops are used for a definite number of iterations, while while loops are used for an indefinite number of iterations.

Answer

While loops are used for a definite number of iterations, while for loops are used for an indefinite number of iterations.

Answer

Both while loops and for loops are used for a definite number of iterations.

Answer

Both while loops and for loops are used for an indefinite number of iterations.

Question 26

What is the main purpose of using functions in programming?

Accepted Answer

To organize and group related code

Answer

To store data in a structured way

Answer

To control the flow of a program

Answer

To perform input and output operations

Question 27

Which of the following is **not** a benefit of using functions in programming?

Accepted Answer

Faster execution speed

Answer

Code reusability

Answer

Increased readability

Answer

Reduced errors

Question 28

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

Accepted Answer

A parameter is declared in the function definition, while an argument is passed when the function is called.

Answer

An argument is declared in the function definition, while a parameter is passed when the function is called.

Answer

Parameters and arguments are interchangeable terms.

Answer

Parameters are used for input, while arguments are used for output.

Question 29

Which of the following is **not** a characteristic of a well-written function?

Accepted Answer

Performing multiple unrelated tasks

Answer

Modularity and reusability

Answer

Simplicity and maintainability

Answer

Proper documentation

Question 30

What is recursion and how is it typically used in programming?

Accepted Answer

Recursion is a technique where a function calls itself to solve a problem by breaking it down into smaller subproblems.

Answer

Recursion is a data structure used to store data in a hierarchical manner, like a tree.

Answer

Recursion is a type of loop that repeats a set of instructions until a certain condition is met.

Answer

Recursion is a method of debugging programs by tracing the execution flow.

Question 31

Which of the following data types is used to represent whole numbers without decimals in programming?

Accepted Answer

Integer

Answer

Float

Answer

Double

Answer

Character

Question 32

What is the primary purpose of a variable in programming?

Accepted Answer

To store a value in memory for later use

Answer

To perform calculations on the fly

Answer

To control the flow of a program

Answer

To define a function

Question 33

Which of the following symbols is used for comparison in programming?

Accepted Answer

=

Answer

+

Answer

-

Answer

%

Question 34

What is the key difference between an 'if' statement and a 'while' loop?

Accepted Answer

An 'if' statement executes code only if a condition is true, while a 'while' loop executes code as long as a condition is true

Answer

An 'if' statement is used for conditional execution, while a 'while' loop is used for repetitive execution

Answer

An 'if' statement can only have one condition, while a 'while' loop can have multiple conditions

Answer

There is no difference between an 'if' statement and a 'while' loop

Question 35

What is the result of the following code snippet?
int x = 10;
x += 5;
System.out.println(x);

Accepted Answer

15

Answer

5

Answer

10

Answer

20

Question 36

What is the main function of a compiler in programming?

Accepted Answer

To convert high-level code into a format that can be executed by the computer

Answer

To interpret code line by line

Answer

To check for errors in code

Answer

To execute code

Question 37

Which programming language is often praised for its simplicity and readability?

Accepted Answer

Python

Answer

Java

Answer

C++

Answer

Assembly

Question 38

What is the main distinction between a function and a procedure in programming?

Accepted Answer

A function always returns a value, while a procedure does not

Answer

A procedure can be called without any arguments, while a function cannot

Answer

There is no difference between a function and a procedure

Answer

A function can be defined within another function, while a procedure cannot

Question 39

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

Accepted Answer

String

Answer

int

Answer

float

Answer

boolean

Question 40

In Java, which operator is used to compare two values for equality?

Accepted Answer

==

Answer

=

Answer

<

Answer

>

Question 41

To repeat a block of code a specific number of times, which control structure is used?

Accepted Answer

for

Answer

if-else

Answer

while

Answer

do-while

Question 42

What's the purpose of a variable in programming?

Accepted Answer

To store data

Answer

To perform calculations

Answer

To control program flow

Answer

To manage input and output

Question 43

In Java, which of the following is a valid identifier name?

Accepted Answer

my_variable

Answer

123abc

Answer

public

Answer

final

Question 44

What will be the output of this Java code: System.out.println("Hello" + 5);

Accepted Answer

Hello5

Answer

5Hello

Answer

Hello

Answer

Compilation error

Question 45

Which of these is a valid Java keyword?

Accepted Answer

class

Answer

loop

Answer

integer

Answer

string

Question 46

What's the main method's purpose in a Java program?

Accepted Answer

To establish the program's entry point

Answer

To manage input and output

Answer

To store global variables

Answer

To initialize the program's objects

Question 47

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

Accepted Answer

List

Answer

Integer

Answer

String

Answer

Boolean

Question 48

What is the main purpose of an operator in programming?

Accepted Answer

To perform operations on values and variables

Answer

To control the flow of the program

Answer

To define functions

Answer

To store data

Question 49

Which control structure is used to execute code multiple times as long as a specified condition is met?

Accepted Answer

While loop

Answer

For loop

Answer

If statement

Answer

Switch statement

Question 50

What is the key difference between a variable and a constant in programming?

Accepted Answer

A variable can change its value, while a constant cannot

Answer

A constant can be reused, while a variable cannot

Answer

A variable is initialized first, while a constant is not

Question 51

What is the main purpose of a comment in programming?

Accepted Answer

To provide additional information or explanation

Answer

To store data

Answer

To define functions

Answer

To control the flow of the program

Question 52

Which of the following is NOT a benefit of utilizing functions in programming?

Accepted Answer

Increased code complexity

Answer

Improved modularity

Answer

Code reusability

Answer

Reduced code duplication

Question 53

What is the difference between a local and a global variable in programming?

Accepted Answer

A local variable is accessible only within the function it is defined in, while a global variable is accessible throughout the program

Answer

A global variable is initialized first, while a local variable is not