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  Arrays....
What is the difference between a variable and an array?
 
 
Why arrays are used?
 
 
 
Classes....
Discuss different types of constructor.
 
What do you mean by separation of Interface from the implementation?
 
Differentiate between a structure and a class.
 
 
Functions....
What is wrong with the following declaration?
int f(int a, int b=0, int c);
 
 
Where can the declaration of a function be placed?
 
 
Why is a parameter that is passed by value referred to as "read-only"?
 
 
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....
Describe data types available in C++.
 
Differentiate between compiler and interpreter.
 
How and why comments be used in a C/C++ program?
 
 
Loops....
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).
 
What is the purpose of continue statement?
 
 
Operators....
Describe arithmetic operators?
 
Calculate the length of the hypotenuse of a right triangle whose base and height are given.
 
Explain relational operators used in C or C++.
 
 
Selection Structures....
What is the purpose of break statement with reference to switch statement?
 
 
Write a program to calculate the electricity bill on the following rates. Cost is USD 0.213 per unit for first 100 units, US$ 0.423 per unit for next 200 units and US$ 0.675 for remaining units. General Sales Tax is added to the bill at the rate of 15% of the total cost of electricity.
 
Write a program to accept an integer and print whether the given integer is Odd or Even.
 
 
Structures....
Describe the syntax for defining the composition of a structure.
 
What is 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.