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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?
 
What do you mean by constructor?
 
What do you mean by separation of Interface from the implementation?
 
 
Functions....
What is wrong with the following declaration?
int f(int a, int b=0, int c);
 
 
What is meant by a function call?
 
What are the differences between passing a parameter by reference and by constant reference?
 
 
 
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....
Differentiate between Low Level Languages and High Level Languages.
 
Differentiate between compiler and interpreter.
 
Write main steps involved in writing a C/C++ program.
 
 
Loops....
Write a program to check the integer value entered by the user, is a prime number or not?
 
 
Differentiate between break and continue statements.
 
Write a program to calculate the factorial of n. The value of n should be accepted through keyboard
 
 
Operators....
Calculate the length of the hypotenuse of a right triangle whose base and height are given.
 
Explain with examples the logical operators used in C/C++.
 
Write a program to accept temperature in Centigrade and convert into Fahrenheit.
 
 
Selection Structures....
Write a program which checks whether the roots of the quadratic equation are equal, real or imaginary.
 
What is the purpose of break statement with reference to switch statement?
 
 
Differentiate between the if-else structure and switch structure
 
 
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.