Cpp Online Exam-Quiz4 1. Following keyword is used before a function in a base class to be overridden in derived class in C++ override void none virtual 2. C++ abstract class can contain Pure virtual function Both pure virtual and non-virtual function Only pure virtual function Non-virtual function 3. Which statements are true about an abstract class Abstract class has at least one pure virtual function. Object of an abstract class cannot be created. Pointer for an abstract class can be created All are correct. 4. In a class, pure virtual functions in C++ is used To create an interface To make a class abstract To force derived class to implement the pure virtual function All the above 5. Which of the following cannot be overloaded in C++ New and delete operator Destructor Constructor Increment operator 6. Compile time polymorphism in C++ language are Operator overloading Function overriding Function overloading A & C 7. False statements about function overloading is Defining multiple functions with same name in a class is called function overloading Overloaded functions should be preceded with virtual keyword Overloaded function must differ in their order and types of arguments. No statement is false 8. Which function cannot be overloaded in C++ Class destructor Constructor Both a & b None 9. Number of virtual table created for a base and a derived class is 2 1 4 0 10. Run time polymorphism in C++ Program is :: operator overloading New and delete operator overloading ++ and – – operator overloading None 11. Run time binding is related to Operator overloading Constructor overloading Function overriding None 12. Which public member of a base class cannot be inherited? Constructor Destructor Class Both A & B 13. Interface class in C++ is created by Using pure virtual function Using pure virtual function and virtual function both Using class keyword Using interface keyword before class 14. Operators can be overloaded in C++ is/are Delete New + All can be overloaded Loading … Question 1 of 14
