Object Oriented Programming MCQs

Page No. 72

In which type is new memory location will be allocated?


aOnly in pass by reference

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bOnly in pass by value

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cBoth in pass by reference and value

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dDepends on the code

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View Answer Only in pass by value

What will be the output if all necessary code is included (Header files and main function)?


aRun time error

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bCompile time error

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c Null

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dIt is a string

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View Answer It is a string

If the object is not to be passed to any function but the values of the object have to be used then?


a The data members should be passed separately

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bThe data members and member functions have to be passed separately

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cThe values should be present in other variables

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dThe object must be passed

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View Answer The data members should be passed separately

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


aThe original object name

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b The original object class name

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c The exact address of the object in memory

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d The exact address of data members

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View Answer The exact address of the object in memory

Can data members be passed to a function using the object?


aYes, it can be passed only inside class functions

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bYes, only if the data members are public and are being passed to a function outside the class

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cNo, can’t be passed outside the class

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dNo, can’t be done

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View Answer Yes, only if the data members are public and are being passed to a function outside the class

If an object is passed by value, _________________


a Temporary object is used in the function

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bLocal object in the function is used

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cOnly the data member values are used

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dThe values are accessible from the original object

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View Answer Local object in the function is used

What is the type of object that should be specified in the argument list?


aFunction name

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bObject name itself

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cCaller function name

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dClass name of object

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View Answer Class name of object

Copy constructor definition requires __________________


a Object to be passed by value

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bObject not to be passed to it

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cObject to be passed by reference

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dObject to be passed with each data member value

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View Answer Object to be passed by reference

Pass by reference of an object to a function _______________


aAffects the object in called function only

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b Affects the object in prototype only

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cAffects the object in caller function

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dAffects the object only if mentioned with & symbol with every call

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View Answer Affects the object in caller function

If object is passed by value ______________


aCopy constructor is used to copy the values into another object in the function

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bCopy constructor is used to copy the values into temporary object

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cReference to the object is used to access the values of the object

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dReference to the object is used to created new object in its place

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View Answer Copy constructor is used to copy the values into another object in the function

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