Name: Programming With C++ For BA/BSC 3rd Semester And BCA 2nd Semester Panjab University Chandigarh
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Programming With C++ For BA/BSC 3rd Semester And BCA 2nd Semester Panjab University Chandigarh

by Madhurima

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Type : book
Weight : 500 GM
ISBN :
Publisher : Kalyani Publishers
Seller : Amit Singh
Authors : Suman Dhull

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Q1

What is the difference between OOP and procedural programming?

A1

OOP uses objects and classes; procedural uses functions. OOP supports encapsulation, inheritance, and polymorphism for better data security.
Q2

Define a class in C++.

A2

A class is a user-defined data type that bundles data members and member functions together under private, public, or protected access.
Q3

Explain the scope resolution operator (::).

A3

It defines member functions outside the class declaration and accesses global variables hidden by local variables.
Q4

How does inheritance promote code reusability?

A4

A derived class inherits properties of a base class, allowing reuse of existing code without rewriting it.
Q5

Differentiate between virtual function and pure virtual function.

A5

Virtual function has a definition in base class; pure virtual function has "=0" and makes the class abstract.
Q6

Define exception handling mechanism in C++.

A6

It uses try, throw, and catch blocks to detect, throw, and handle runtime errors gracefully without crashing.
Q7

What is the difference between pass by value and pass by reference?

A7

Pass by value copies data; pass by reference passes address, allowing direct modification of original object.
Q8

ow do you open a binary file in C++?

A8

Use fstream object with ios::binary flag, e.g., file.open("data.dat", ios::out | ios::binary).
Q9

What is multiple inheritance?

A9

A derived class inheriting from more than one base class, which may cause ambiguity solved by virtual base classes.
Q10

Explain data hiding and encapsulation.

A10

Encapsulation wraps data and methods into a single unit; data hiding restricts direct access using private members.

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Have Doubts Regarding This Product ? Ask Your Question

Q1

What is the difference between OOP and procedural programming?

A1

OOP uses objects and classes; procedural uses functions. OOP supports encapsulation, inheritance, and polymorphism for better data security.
Q2

Define a class in C++.

A2

A class is a user-defined data type that bundles data members and member functions together under private, public, or protected access.
Q3

Explain the scope resolution operator (::).

A3

It defines member functions outside the class declaration and accesses global variables hidden by local variables.
Q4

How does inheritance promote code reusability?

A4

A derived class inherits properties of a base class, allowing reuse of existing code without rewriting it.
Q5

Differentiate between virtual function and pure virtual function.

A5

Virtual function has a definition in base class; pure virtual function has "=0" and makes the class abstract.
Q6

Define exception handling mechanism in C++.

A6

It uses try, throw, and catch blocks to detect, throw, and handle runtime errors gracefully without crashing.
Q7

What is the difference between pass by value and pass by reference?

A7

Pass by value copies data; pass by reference passes address, allowing direct modification of original object.
Q8

ow do you open a binary file in C++?

A8

Use fstream object with ios::binary flag, e.g., file.open("data.dat", ios::out | ios::binary).
Q9

What is multiple inheritance?

A9

A derived class inheriting from more than one base class, which may cause ambiguity solved by virtual base classes.
Q10

Explain data hiding and encapsulation.

A10

Encapsulation wraps data and methods into a single unit; data hiding restricts direct access using private members.

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