Object Oriented Programming Practice Test 7

1. Which feature of OOP is exhibited by the function overriding?

Abstraction

Polymorphism

Inheritance

Encapsulation

2. Exactly same declaration in base and derived class includes______________

Only same name

Only same return type and name

Only same return type and argument list

All the same return type, name and parameter list

3. Which operator among the following can be overloaded using both friend function and member function?

Subscript

Member selection (arrow operator)

Modulus operator

Assignment operator

4. Which among the following is true?

Inheritance must not be using when overriding is used

Overriding can be implemented without using inheritance

Inheritance must be done, to use overriding are overridden

Inheritance is mandatory only if more than one functions

5. Which is the correct condition on const member functions?

Const member functions can call only data members of call not member functions

Const member functions can’t call any other function

Const member functions can call only the functions which are neither const nor non-const

Const member functions can’t call non-const member functions

6. Where is the memory allocated for the objects?

HDD

ROM

Cache

RAM

7. When is the memory allocated for an object gets free?

When main function ends

When system restarts

At termination of program

When object goes out of scope

8. Which error will be produced if private members are accessed?

Bad code

Code unreachable

Can’t access private message

Core dumped

9. A private function of a derived class can be accessed by the parent class.

False

True

10. Which keyword must be used to declare a member function as a constant member function?

Constant

FunctionConst

Const

Unchanged