With each visit of this Programming in C++ online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.
Test Instructions
Question type
Randomized MCQs.Changes every time you visit the test
Total Number of Questions
30
Time Limit
20 Minutes
Points
1 Point for each Question
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Question 1 of 30
Q-1.In C++, dynamic memory allocation is accomplished with the operator ____
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Question 2 of 30
Q-2.If a class C is derived from class B, which is derived from class A, all through public
inheritance, then a class C member function can access
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Question 3 of 30
Q-3.Consider the following class definitions:
class a
{
};
class b: protected a
{
};
What happens when we try to compile this class?
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Question 4 of 30
Q-4.Maximum number of template arguments in a function template is
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Question 5 of 30
Q-5.To perform stream I/O with disk files in C++, you should
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Question 6 of 30
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Question 7 of 30
Q-7.Which of the following ways are legal to access a class data member using this pointer?
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Question 8 of 30
Q-8.To access the public function fbase() in the base class, a statement in a derived class function
fder() uses the statement.fbase();
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Question 9 of 30
Q-9.What is the output of the following code
char symbol[3]={‘a’,‘b’,‘c’};
for (int index=0; index<3; index++)
cout << symbol [index];
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Question 10 of 30
Q-10.What would be the output of the following? #include
void main()
{
char *ptr=“abcd”
char ch;
ch = ++*ptr++;
cout ch;
}
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Question 11 of 30
Q-11.The operator that cannot be overloaded is
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Question 12 of 30
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Question 13 of 30
Q-13.If the variable count exceeds 100, a single statement that prints “Too many” is
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Question 14 of 30
Q-14.Which of the following statements is NOT valid about operator overloading?
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Question 15 of 30
Q-15.Which of the following declarations are illegal?
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Question 16 of 30
Q-16.It is possible to declare as a friend
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Question 17 of 30
Q-17.What will be the result of the expression 13 & 25?
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Question 18 of 30
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Question 19 of 30
Q-19.The process of building new classes from existing one is called ______.
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Question 20 of 30
Q-20.A pointer to the base class can hold address of
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Question 21 of 30
Q-21.Which of the following cannot be legitimately passed to a function
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Question 22 of 30
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Question 23 of 30
Q-23.If we store the address of a derived class object into a variable whose type is a pointer to the
base class, then the object, when accessed using this pointer.
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Question 24 of 30
Q-24.What is the error in the following code? class t
{
virtual void print();
}
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Question 25 of 30
Q-25.The actual source code for implementing a template function is created when
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Question 26 of 30
Q-26.A virtual class is the same as
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Question 27 of 30
Q-27.Consider the following statements char *ptr;
ptr = “hello”;
cout << *ptr; What will be printed?
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Question 28 of 30
Q-28.In which case is it mandatory to provide a destructor in a class?
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Question 29 of 30
Q-29.RunTime polymorphism is achieved by ___________
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Question 30 of 30
Q-30.A friend function to a class, C cannot access
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