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  Arrays....
Why arrays are used?
 
 
What is the difference between a variable and an array?
 
 
 
Classes....
Discuss different types of constructor.
 
What do you mean by constructor?
 
What do you mean by destructor?
 
 
Functions....
What is the advantage of compiling a function separately?
 
 
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?
 
 
 
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?
 
What are the preprocessor directives?
 
Differentiate between Low Level Languages and High Level Languages.
 
 
Loops....
Write a program that will generate a random number in the range 1 to 999. The user is to guess the number. Your program provides maximum 10 attempts to the user. The user inputs his/her guess. The program helps the user in such a way that it tells the user if the guess is larger or smaller than the number. In case of success the program displays - You have succeeded - along with number of attempts made, other wise -Sorry you could not guess-.
 
Write a program to check the integer value entered by the user, is a prime number or not?
 
 
Why loops are so important in all programming languages?
 
 
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++.
 
Explain relational operators used in C or C++.
 
 
Selection Structures....
Write a program that reads three nonzero integers and determines and prints if they could be sides of a right triangle.
 
What is the purpose of break statement with reference to switch statement?
 
 
Differentiate between the if-else structure and switch structure
 
 
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.