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11th Standard English Medium Computer Science Subject Classes and objects Creative 2 Mark Questions with Solution Part - II

Published on: 30/06/2021

QB365 provides detailed and simple solution for every Creative Questions in class 11 Computer Science Subject. It will helps to get more idea about question pattern in every Creative questions with solution.

Download Tamil Nadu 11th Standard Computer Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

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Std: 11th Standard - Computer Science

chapter: - Creative Questions

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Questions:

Generic 2

5 x 2 = 10

What will be the output of the following program?
# include < iostream >
# include < conio >
using namespace std
class add   //Global class
{
int a,b;
public:
int sum;
void getdata( )
{
a=5;
b=10;
sum = a+b;
}
} a1; //globalobject
add a2; ,   //globalobject
int main( )
{
add a3;   //Local object for a global class
a1.getdata ( );
a2.getdata( );
a3.getdata( );
cout < < a1.sum;  //public data member accessed from outside the class
cout < < a2.sum;
cout < < a3.sum;
return 0;
}

Write the significance of Default constructors.

When the memory space allocated to the class members?

What is access specifies?

Why classes are needed in C++?

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Answers Key:

Generic 2

5 x 2 = 10

Output:151515

Default constructors are very useful to create objects without having specific initial value. It is also used to create array of objects.

The members will be allocated with memory space only after the creation of the class type object.

Public, private and protected are called access specifiers.

Classes are needed to represent real world entities that not only have data type properties but also have associated operations. It is used to create user defined data type.