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Class 11th Computer Science - Polymorphism Two Marks Questions

Published on: 27/09/2019

Polymorphism

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

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Questions:

Generic 2

10 x 2 = 20

When the two function can not be overloaded?

How the compiler identifies a given function is a constructor?

What is overload resolution?

Define polymorphism.

What is overloaded function?

What is the use of overloading a function?

Does the return type of a function help in overloading a function?

class add{int x; public: add(int)}; Write an outline definition for the constructor.

List the operators that cannot be overloaded.

10.

What is function overloading?

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Answers Key:

Generic 2

10 x 2 = 20

Two function cannot be overloaded when the only difference is that one takes a reference parameter and the other takes a normal, call-by-value parameter.

Compiler identifies a given member function is a constructor by its name and the return type.

The process of selecting the most appropriate overloaded function or operator is called overload resolution.

Polymorphism is the ability of a message or function to be displayed in more than one form.

An overloaded function refers to a function having more than one distinct meaning.

Function overloading is not only implementing polymorphism but also reduces the number of comparisons in a program and makes the program to execute faster. It also helps the programmer by reducing the number of function names to be remembered.

No. The return type of overloaded functions are not considered for overloading same data type.

add (int temp)
{
x = temp;
}

Operator that are not overloaded are follows
1. scope operator::
2. sizeof
3. member selector.
4. member pointer selector *
5. ternary operator?:

10.

The ability of the function to process the message or data in more than one form is called as function overloading. In other words function overloading means two or more functions in the same scope share the same name but their parameters are different.