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  Arrays....
What is the difference between a variable and an array?
 
 
Why arrays are used?
 
 
 
Classes....
What do you mean by destructor?
 
Differentiate between a structure and a class.
 
What do you mean by separation of Interface from the implementation?
 
 
Functions....
What are the differences between passing a parameter by value and by reference?
 
 
What is meant by a function call?
 
What are the differences between passing a parameter by reference and by constant reference?
 
 
 
Input / Output....
Why we include iostream.h file in all of the programs of c++?
 
 
Write a program that finds the roots of the quadratic equation.
 
 
Introduction....
How and why comments be used in a C/C++ program?
 
Differentiate between compiler and interpreter.
 
What is testing and debugging?
 
 
Loops....
What is the purpose of break statement?
 
Write a program to check the integer value entered by the user, is a prime number or not?
 
 
Write a program that reads two integers and prints their Least Common Multiple (LCM).
 
 
Operators....
Explain with examples the logical operators used in C/C++.
 
Write a program that inputs a five-digit number, find the number in reverse order. Also find the difference between the new number and the original number.
 
Write a program to find arithmetic mean and variance of 5 values to be given by the user.
 
 
Selection Structures....
Write a program that reads three nonzero integers and determines and prints if they could be sides of a right triangle.
 
What are decision statements? Explain?
 
Explain switch statement with an example.
 
 
Structures....
What is a structure?
 
Describe the syntax for defining the composition of a structure.
 
 
 
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Here you can find questions about different topics in c language and c++ language. Similarly programming problems with their solutions by different people of the field. So that you can choose best answer of a theory question or a best solution of a programming problem.

Life before Computers:

Window was a square or rectangular hole in a room.

Application was something written in paper.

Mouse was an animal.

Keyboard was a Piano.

File was an important office material.

Hard Drive was an uncomfortable road trip.

Cut was done with Knife and Paste was done with Glue.

Web was spider's home.

Virus was flue.

Apple and Blackberry were just fruits.