Question: Which of the following is the correct class of the object cout?
[A]. iostream
[B]. istream[C]. ostream
[D]. ifstream
[B]. istream[C]. ostream
[D]. ifstream
Answer: Option C
OOPs Concepts
Cpp Programming 74 – What is correct about the static data member of a class?
Question: What is correct about the static data member of a class?
[A]. A static member function can access only static data members of a class.
[B]. A static data member is shared among all the object of the class.[C]. A static data member can be accessed directly from main().
[D]. Both A and B.
[B]. A static data member is shared among all the object of the class.[C]. A static data member can be accessed directly from main().
[D]. Both A and B.
Answer: Option D
Cpp Programming 75 – What happens if the base and derived class contains definition of a function with same prototype?
Question: What happens if the base and derived class contains definition of a function with same prototype?
[A]. Compiler reports an error on compilation.
[B]. Only base class function will get called irrespective of object.[C]. Only derived class function will get called irrespective of object.
[D]. Base class object will call base class function and derived class object will call derived class function.
[B]. Only base class function will get called irrespective of object.[C]. Only derived class function will get called irrespective of object.
[D]. Base class object will call base class function and derived class object will call derived class function.
Answer: Option D
Cpp Programming 76 – Which of the following statements is correct in C++?
Question: Which of the following statements is correct in C++?
[A]. Classes cannot have data as protected members.
[B]. Structures can have functions as members.[C]. Class members are public by default.
[D]. Structure members are private by default.
[B]. Structures can have functions as members.[C]. Class members are public by default.
[D]. Structure members are private by default.
Answer: Option B
Cpp Programming 77 – cout is a/an __________ .
Question: cout is a/an __________ .
[A]. operator
[B].function
[C]. object[D]. macro
[A]. operator
[B].function
[C]. object[D]. macro
Answer: Option C
Cpp Programming 78 – Which of the following provides a reuse mechanism?
Question: Which of the following provides a reuse mechanism?
[A]. Abstraction
[B]. Inheritance[C]. Dynamic binding
[D]. Encapsulation
[B]. Inheritance[C]. Dynamic binding
[D]. Encapsulation
Answer: Option B
Cpp Programming 79 – Which of the following problem causes an exception?
Question: Which of the following problem causes an exception?
[A]. Missing semicolon in statement in main().
[B]. A problem in calling function.[C]. A syntax error.
[D]. A run-time error.
[B]. A problem in calling function.[C]. A syntax error.
[D]. A run-time error.
Answer: Option D
Cpp Programming 80 – Which of the following ways are legal to access a class data member using this pointer?
Question: Which of the following ways are legal to access a class data member using this pointer?
[A]. this->x
[B]. this.x[C]. *this.x
[D]. *this-x
[B]. this.x[C]. *this.x
[D]. *this-x
Answer: Option A
Cpp Programming 81 – Which one of the following options is correct about the statement given below? The compiler checks the type of reference in the object and not the type of object.
Question: Which one of the following options is correct about the statement given below? The compiler checks the type of reference in the object and not the type of object.
[A]. Inheritance
[B]. Polymorphism[C]. Abstraction
[D]. Encapsulation
[B]. Polymorphism[C]. Abstraction
[D]. Encapsulation
Answer: Option B
Cpp Programming 82 – What will happen if a class is not having any name?
Question: What will happen if a class is not having any name?
[A]. It cannot have a destructor.
[B]. It cannot have a constructor.[C]. It is not allowed.
[D]. Both A and B.
[B]. It cannot have a constructor.[C]. It is not allowed.
[D]. Both A and B.
Answer: Option D