What exactly is passed when an object is passed by reference?

OBJECT ORIENTED PROGRAMMING - OBJECTS AND POINTERS MCQ

• Passing object to a function _______________
• The object ________________
• Which symbol should be used to pass the object by reference in C++?
• If object is passed by value, ________________
• Pass by reference of an object to a function _______________
• Copy constructor definition requires __________________
• What is the type of object that should be specified in argument list?
• If an object is passed by value, _________________
• Can data members be passed to a function using the object?
• What exactly is passed when an object is passed by reference?
• If the object is not to be passed to any function but the values of the object have to be used then:
• What will be the output if all necessary code is included (Header files and main function)?
• In which type is new memory location will be allocated?
• Pass by reference and pass by value can’t be done simultaneously in a single function argument list
• In which of the following way(s) can the object be returned from a function?
• Whenever an object is returned by value ____________________
• Where the temporary objects (created while return by value) are created?
• Which is the correct syntax for returning an object by value?
• Which is the correct syntax for defining a function which passes an object by reference?
• If an object is declared inside the function then ____________________ outside the function
• How many independent objects can be returned at same time from a function?
• Which error will be produced if a local object is returned by reference outside a function?
• If object is passed by reference ____________________
• Can we return an array of objects?
• If an object is passed by reference to a function then it must be returned by reference
• Which among the following is correct?
• If an object is being returned by value then __________________________
• Why temporary object is not created in return by reference?
• When value of an object is assigned to another object, ___________________
• If an object is created and another object is assigned to it, then ________________
• How the argument passed to a function get initialized?
• Predict the output of the program
• If programmer doesn’t define any copy assignment operator then ____________________
• Declaring a copy constructor doesn’t suppresses the compiler generated copy assignment operator
• In copy constructor definition, if non const values are accepted only ________
• How many objects can be assigned to a single address?
• Use of assignment operator ____________________
• If more than one object refer to the same address, any changes made
• How to make more than one object refer to the same object?
• We can assign ______________________
• Assigning reference to an object _________________
• Which among the following is true ?
• Assigning objects takes place while passing the arguments
• Which language among the following doesn’t allow pointers?
• Which is correct syntax for declaring pointer to object?
• Which operator should be used to access the members of the class using object pointer?
• How does compiler decide the intended object to be used, if more than one object are used?
• If pointer to an object is declared, ___________
• What is the size of object pointer?
• A pointer _________________
• Pointer to a base class can be initialized with the address of derived class, because of _________
• Can pointers to object access the private members of the class?
• Is name of an array of objects is also a pointer to object?
• Which is the correct syntax to call a member function using pointer?
• If pointer to an object is created and the object gets deleted without using the pointer:
• How can the address stored in the pointer be retrieved?
• What should be done to prevent changes that may be made to the values pointed by the pointer?
• References to object are same as pointers of object
• Which is the pointer which denotes the object calling the member function?
• Which among the following is true ?
• The this pointer is accessible __________________
• An object’s this pointer _____________________
• The result of sizeof() function __________________
• Whenever non-static member functions are called _______________
• Which is the correct interpretation of the member function call from an object, object.function(parameter);
• The address of the object _________________
• Which syntax doesn’t execute/is false when executed?
• The this pointers _____________________
• Earlier implementations of C++ ___________________
• This pointer can be used directly to ___________
• Which among the following is/are type(s) of this pointer?
• Which is the correct syntax for declaring type of this in a member function?

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• OBJECT ORIENTED PROGRAMMING - OBJECTS AND POINTERS MCQ

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