Question Bank C++ by G Krishna Chauhan

   

C++ Question Bank

Unit 1: Questions

Difficulty	Question
Easy	1. What is C++ and what are its primary features?
Easy	2. Define Object-Oriented Programming (OOP).
Easy	3. List the four main principles of OOP.
Easy	4. What is a class in C++?
Easy	5. Explain the concept of data abstraction with an example.
Easy	6. Write a simple C++ program to demonstrate the creation of a class and an object.
Easy	7. What is encapsulation? Provide an example of encapsulated data in C++.
Easy	8. Define inheritance in the context of C++. How would you implement it in a C++ program?
Easy	9. What are the applications of Object-Oriented Programming?
Easy	10. Write a C++ code snippet that demonstrates dynamic binding using virtual functions.
Medium	11. Explain the difference between Procedure-Oriented Programming and Object-Oriented Programming.
Medium	12. Describe how objects and classes are related with an example.
Medium	13. What is message passing in OOP? Provide a simple C++ example.
Medium	14. Write a C++ program that uses constructors and destructors.
Medium	15. How does OOP facilitate code reusability? Give a code example.
Medium	16. Write a C++ program that demonstrates encapsulation and data hiding.
Medium	17. Describe how polymorphism can be achieved in C++ with an example.
Medium	18. Explain dynamic binding with a code example that illustrates the concept.
Medium	19. What is the role of a class in data abstraction? Provide a simple example.
Medium	20. Compare and contrast public, protected, and private access modifiers with examples.
High	21. Discuss the evolution of C++ and its influence on modern programming languages.
High	22. Analyze the impact of OOP principles on software development practices.
High	23. Explain how the concept of inheritance promotes hierarchical relationships in C++. Provide an example.
High	24. Write a C++ program that demonstrates multiple inheritance and discuss its implications.
High	25. What are abstract classes, and how do they differ from concrete classes? Provide a code example.
High	26. Explain the concept of function overloading and provide a code example that demonstrates it.
High	27. Discuss how C++ implements polymorphism using virtual functions. Provide a code snippet.
High	28. Evaluate the role of constructors and destructors in memory management in C++. Provide a sample program.
High	29. Discuss the significance of encapsulation in data protection and provide an example.
High	30. Write a C++ program that demonstrates dynamic binding and discuss its difference from static binding.

Unit 2: Questions

Difficulty	Question
Easy	1. What are tokens in C++? List the types of tokens.
Easy	2. Define keywords in C++. Give examples.
Easy	3. What is an identifier in C++? Provide rules for naming identifiers.
Easy	4. Explain constants in C++. What are the different types of constants?
Easy	5. What are operators in C++? Provide examples of different types of operators.
Easy	6. Write a simple C++ program that demonstrates the use of basic data types.
Easy	7. What is type conversion? Explain implicit and explicit type conversion.
Easy	8. Write a C++ program to demonstrate type promotion and type demotion.
Easy	9. What are control structures in C++? Give examples of different types.
Easy	10. Write a simple C++ function and explain its components.
Medium	11. Compare and contrast different types of operators in C++.
Medium	12. What is the role of expressions in C++? Provide examples.
Medium	13. Write a C++ program that demonstrates the use of arithmetic and relational operators.
Medium	14. Explain the difference between local and global variables with examples.
Medium	15. Write a C++ program that demonstrates the use of control structures (if-else, switch-case).
Medium	16. What is a function prototype in C++? Provide an example.
Medium	17. Describe the scope of variables in C++.
Medium	18. Explain the concept of function overloading with an example.
Medium	19. Write a C++ program that demonstrates function overloading.
Medium	20. What is the difference between pass-by-value and pass-by-reference? Provide examples.
High	21. Analyze how C++ handles operator overloading and provide examples.
High	22. Discuss the importance of type conversions in C++.
High	23. Write a C++ program that implements a simple calculator using functions and operators.
High	24. Evaluate the impact of using control structures on program flow and structure in C++.
High	25. Explain how function templates can be used in C++ and provide an example.
High	26. Discuss the advantages and disadvantages of using macros in C++.
High	27. Write a C++ program that demonstrates the use of pointers and their arithmetic.
High	28. What are the implications of using static variables in C++? Provide an example.
High	29. Discuss the significance of using inline functions in C++.
High	30. Write a C++ program that uses arrays and demonstrates various operations on them.

Unit 3: Questions

Difficulty	Question
Easy	1. What is a class in C++? Define it and provide an example.
Easy	2. What is an object in C++? How does it relate to a class?
Easy	3. Explain how to access class members in C++.
Easy	4. What are access modifiers? List and explain public, protected, and private access.
Easy	5. What is a constructor? How is it different from a regular member function?
Easy	6. What is a destructor in C++? Provide an example of its use.
Easy	7. What is constructor overloading? Provide an example.
Easy	8. Explain the concept of inline functions in C++.
Easy	9. What is a macro in C++? How is it defined?
Easy	10. What are friend functions and friend classes in C++?
Medium	11. Discuss exception handling in C++. What is the purpose of try, catch, and throw?
Medium	12. Describe the various types of inheritance in C++.
Medium	13. Explain the role of static members in a class. Provide an example.
Medium	14. Write a C++ program to demonstrate the use of constructors and destructors.
Medium	15. Discuss the implications of data abstraction and encapsulation in C++.
Medium	16. Write a C++ program that demonstrates the use of friend functions.
Medium	17. Explain the concept of access control in classes with examples.
Medium	18. What is the difference between shallow copy and deep copy?
Medium	19. Write a C++ program that demonstrates the use of exception handling.
Medium	20. Explain the concept of inheritance and its importance in C++.
High	21. Analyze how polymorphism is achieved through inheritance in C++.
High	22. Discuss the impact of encapsulation on code maintenance and security.
High	23. Write a C++ program that demonstrates different types of inheritance.
High	24. Explain how to use abstract classes and pure virtual functions in C++.
High	25. What are virtual destructors? Why are they important in inheritance?
High	26. Write a C++ program that demonstrates constructor overloading with different types of constructors.
High	27. Discuss the concept of function overriding in the context of inheritance.
High	28. Explain the significance of friend classes and functions in C++.
High	29. Write a C++ program that demonstrates data abstraction through classes.
High	30. Discuss the role of inline functions and macros in optimizing C++ code performance.

Unit 4: Questions

Difficulty	Question
Easy	1. What is a pointer in C++? How do you declare and initialize a pointer?
Easy	2. Explain the concept of a this pointer in C++.
Easy	3. What is function overloading? Provide an example.
Easy	4. Explain operator overloading with an example.
Easy	5. What is function overriding in C++? How does it differ from function overloading?
Easy	6. Define abstract classes in C++. What is the purpose of abstract classes?
Easy	7. What are concrete classes? How do they differ from abstract classes?
Easy	8. Explain the concept of static class members in C++.
Easy	9. What are virtual functions? Why are they used in C++?
Easy	10. What is a pure virtual function? How do you define it?
Medium	11. Discuss the significance of polymorphism in C++.
Medium	12. Write a C++ program that demonstrates the use of pointers to objects.
Medium	13. Explain the difference between shallow copy and deep copy with examples.
Medium	14. Write a C++ program that demonstrates function overriding with inheritance.
Medium	15. Discuss the implications of using virtual functions in inheritance.
Medium	16. Write a C++ program that demonstrates operator overloading for a custom class.
Medium	17. Explain how the this pointer can be used in operator overloading.
Medium	18. Describe how abstract classes enforce encapsulation and abstraction.
Medium	19. Write a C++ program that demonstrates abstract classes and their implementation.
Medium	20. Explain the concept of inheritance and its importance in object-oriented programming.
High	21. Discuss the role of dynamic binding in C++. How does it relate to polymorphism?
High	22. Write a C++ program that demonstrates function overloading and polymorphism.
High	23. Analyze the importance of virtual destructors in base classes.
High	24. Write a C++ program that demonstrates both abstract and concrete classes.
High	25. Explain how to use virtual functions for achieving runtime polymorphism in C++.
High	26. Discuss the use of static members in classes with examples.
High	27. Write a C++ program that demonstrates the use of pure virtual functions.
High	28. Discuss the implications of operator overloading on code readability and maintainability.
High	29. Write a C++ program that illustrates the use of the this pointer in member functions.
High	30. Explain the concept of friend classes and functions and their use cases in C++.

Unit 5: Questions

Difficulty	Question
Easy	1. What are files and streams in C++? Explain their significance.
Easy	2. Describe the various file stream operations in C++.
Easy	3. How do you open and close a file in C++? Provide an example.
Easy	4. What is the purpose of detecting the end-of-file (EOF) in file operations?
Easy	5. Explain the concept of file pointers and how to manipulate them.
Easy	6. What are sequential input and output operations? Provide examples.
Easy	7. How do you read from a file in C++? Demonstrate with a simple program.
Easy	8. How do you write to a file in C++? Provide an example program.
Easy	9. What are the different modes for opening a file in C++?
Easy	10. Explain the significance of using the fstream library in C++.
Medium	11. Write a C++ program that demonstrates how to read from a file and display its contents.
Medium	12. Discuss the differences between ifstream, ofstream, and fstream.
Medium	13. Write a C++ program that demonstrates how to write user input to a file.
Medium	14. Explain how to append data to an existing file in C++.
Medium	15. Write a C++ program that reads from one file and writes to another file.
Medium	16. Discuss how to handle file exceptions in C++.
Medium	17. Explain how to use file pointers to move to a specific location in a file.
Medium	18. Write a C++ program that demonstrates using file pointers for random access to a file.
Medium	19. What is the importance of closing files after operations in C++?
Medium	20. Discuss the implications of file handling errors in C++.
High	21. Write a C++ program that reads and writes binary data to a file.
High	22. Discuss the significance of using file streams for managing data in applications.
High	23. Explain how to serialize and deserialize objects to and from files in C++.
High	24. Write a C++ program that uses file stream operations to create a simple text editor.
High	25. Discuss the differences between text files and binary files.
High	26. Write a C++ program that handles exceptions during file operations.
High	27. Explain how to read and write structured data using file streams in C++.
High	28. Write a C++ program that demonstrates error handling while opening a file.
High	29. Discuss the use of the tellg() and seekg() functions in file handling.
High	30. Explain the process of updating a file's contents using file streams.