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MCQs on Object Oriented C++ Programming
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MCQs on Object Oriented C++ Programming
MCQ related to Object Oriented programming using C++ for general use and also for job preparation of Public Service Commission
Option image

Q No.1 of 10

Which of the follwing comments about inline comments are true?
Option 1
A function is declared inline by typing the keyword inline before the return value of the function.
Option 2
A function is declared inline by typing the keyword inline after the return value of the function
Option 3
Inline functions are essentially same as implementing a function as macro.
Option 4
None of these
Q No.2 of 10

Which of the following decides if a function that is declared inline is indeed going to be treated inline in the executable code?
Option 1
Compiler
Option 2
linker
Option 3
Loader
Option 4
preprocessor
Q No.3 of 10

Which of the following type of functions is an ideal candidate for being declared inline?
Option 1
A function that is small and is not called frequently
Option 2
A function that is small and is called frequently.
Option 3
A function that is not small and is not called frequently
Option 4
A function that is not small and is called frequently.
Q No.4 of 10

One of the disadvantages of pass-by reference is that the called function may inadvertently corrupt the caller’s data. This can be avoided by


Option 1
Passing pointers
Option 2
Declaring the formal parameters consant
Option 3
Declaring the actual parameters constant
Option 4
All of the above
Q No.5 of 10

At what point of time a variable comes into existence in memory is determined by its
Option 1
Scope
Option 2
Storage class
Option 3
Data type
Option 4
All of the above
Q No.6 of 10

Which of the following specifiers need not be honored by the compiler?
Option 1
Register & inline
Option 2
Static
Option 3
Extern
Option 4
None of these
Q No.7 of 10

Which of the following cannot be declared static?
Option 1
Class and Object
Option 2
Functions
Option 3
Member variables
Option 4
All of these
Q No.8 of 10

The order is which operands are evaluated in an expression is predictable if the operator is
Option 1
*
Option 2
+
Option 3
%
Option 4
&&
Q No.9 of 10

The following program fragment
int  i =10;
void main ( )
   {
   int  i=20;
   {
      int  i=30;
      cout << i<< : : i ;

   }

}


Option 1

Prints 3010
Option 2

Print 3020
Option 3

Will result in a run time error
Option 4

None of the above
Q No.10 of 10

A  function abc is defined as
void abc   (int  x=0 , int  y=0)
{

cout   <<  x  <<   y;

 }
Which of the following function calls is /are illegal? (Assume h, g are declared as integers)


Option 1

abc (  ) ;
Option 2

abc  (h);
Option 3

abc (h,h);
Option 4

None of these

Correct Answers