Question 1

What is a pointer in C/C++?

Accepted Answer

A variable that holds the memory address of another variable

Answer

A data type for storing text

Answer

A storage container for multiple variables

Answer

A function for performing calculations

Question 2

What is a class in C#?

Accepted Answer

A blueprint for creating objects

Answer

A type of data structure

Answer

A built-in function

Answer

A mathematical equation

Question 3

What does the '++' operator do in C++?

Accepted Answer

Increments a variable's value by 1

Answer

Divides a variable by 2

Answer

Multiplies a variable by 2

Answer

Adds two variables together

Question 4

What is the 'scanf' function used for in C?

Accepted Answer

Reading input from the user

Answer

Displaying text on the screen

Answer

Performing calculations

Answer

Creating a loop

Question 5

What is 'virtual' in C++?

Accepted Answer

A keyword used to implement runtime polymorphism

Answer

A data type for storing decimal numbers

Answer

A way to declare constants

Answer

A function for working with databases

Question 6

What does the 'using' keyword do in C#?

Accepted Answer

Allows access to a namespace

Answer

Declares a variable

Answer

Creates a loop

Answer

Displays output on the screen

Question 7

What is a function in C?

Accepted Answer

A block of code that performs a specific task

Answer

A type of loop

Answer

A way to store multiple variables

Answer

A way to declare constants

Question 8

What is the 'new' keyword used for in C#?

Accepted Answer

Allocating memory for an object

Answer

Declaring a variable

Answer

Performing a calculation

Answer

Creating a loop

Question 9

What is the difference between C and C++?

Accepted Answer

C++ has object-oriented features, while C does not

Answer

C++ is used for web development, while C is used for desktop applications

Answer

C supports more data types than C++

Answer

C is easier to read than C++

Question 10

What is the main function in C/C++ used for?

Accepted Answer

Starting point of the program

Answer

Reading input from the user

Answer

Creating a loop

Answer

Performing calculations

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