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  Arrays....
Why arrays are used?
 
 
What is the difference between a variable and an array?
 
 
 
Classes....
What do you mean by 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);
 
 
What are the differences between passing a parameter by value and by reference?
 
 
Are functions required when writing a C++ program?
 
 
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 machine language?
 
How and why comments be used in a C/C++ program?
 
What are the preprocessor directives?
 
 
Loops....
Explain the syntax and purpose of for loop with an example.
 
Write a program that reads two integers and prints their Greatest Common Divisor (GCD).
 
Write a program to calculate the factorial of n. The value of n should be accepted through keyboard
 
 
Operators....
Explain relational operators used in C or C++.
 
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++.
 
 
Selection Structures....
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.
 
What is the purpose of break statement with reference to switch statement?
 
 
 
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.