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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 destructor?
 
What do you mean by constructor?
 
 
Functions....
What are the differences between passing a parameter by reference and by constant reference?
 
 
What do you mean by function overloading?
 
What is wrong with the following declaration?
int f(int a, int b=0, int c);
 
 
 
Input / Output....
Write a program that finds the roots of the quadratic equation.
 
Why we include iostream.h file in all of the programs of c++?
 
 
 
Introduction....
What is a variable? Also write the rules to give name to a variable.
 
What are the preprocessor directives?
 
How and why comments be used in a C/C++ program?
 
 
Loops....
Why the use of the goto statement generally discouraged?
 
Why loops are so important in all programming languages?
 
What is the purpose of break statement?
 
 
Operators....
Calculate the length of the hypotenuse of a right triangle whose base and height are given.
 
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.
 
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 accept an integer and print whether the given integer is Odd or Even.
 
Write a program which checks whether the roots of the quadratic equation are equal, real or imaginary.
 
 
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.