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Q1:Write a program that allocates space (all at one time) for variables of type date using the calloc() function. The program should take the number of dates as input from user.

Q2;Differentiate between “calloc” function and “malloc” function while allocating memory to be used by a program.

Q3;Is there any difference in “Memory Allocation” by C language and C++ language.

 Q4:Write a program which consists of a class named Rectangle. The class should contain:

  • Two private data members Width and Height.
  • A default constructor
  • A parameterized constructor
  • A member function DisplayArea() which calculates and displays the area of rectangle using the formula: Width * Height.

 

Q5;What are Unary Operators? Distinguish between Unary Operators and Binary Operators?

Q6;Write a program which defines a Template function named Add () which adds two variables and then returns the sum. Define two variables of type int in main function, and then call Add () function on these variables.

 

 

Program output should look like this:

 

Enter two integer values to be added

 

Enter first integer:  12

Enter second integer:  25

Sum of the two integers: 37

Q7:Write a program in C++ which will copy one array into another array. Each array should be of five elements.

You should get input from user in first array and then copy it in the second array. Finally display the contents of second array.

 

Q8:Explain the difference between:

  • a public member and a private member of a class.
  • the interface and the implementation of a class.

 

Q9:Describe various types of constructors. Also explain the difference between the default constructor and other constructors.

 

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