Learn C++ MCQ Questions with answers and solutions.

A

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Q. Which function is used to write a single character to the console in C++?

(A) printf(c)
(B) write(c)
(C) cout.put(c)
(D) cout.putline(c)

A

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Q. The size of an object or type can be determined with which operator?

(A) malloc
(B) sizeof
(C) malloc
(D) calloc

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Q. Which of the following are true about static member function?

1. They can access non-static data members.
2. They can call only other static member functions.
3. They can access global functions and data.
4. They can have this pointer.
5. They cannot be declared as const or volatile.

(A) Only 2
(B) Only 2,5
(C) Only 2,3,4,5
(D) Only 2 , 3 , 5

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Q. class X, class Y and class Z are derived from class BASE. This is ______ inheritance.

(A) Multiple
(B) Multilevel
(C) Hierarchical
(D) Single

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Q. When base class is derived in protected mode, then_____________ .

1. public members of base class become private members of derived class.
2. public members of base class become protected members of derived class.
3. public members of base class become public members of derived class.
4. protected members of base class become protected members of derived class.
5. protected members of base class become private members of derived class.
6. protected members of base class become public members of derived class.

(A) Only 1, 5
(B) Only 1, 6
(C) Only 2, 6
(D) Only 2, 4

A

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Q. Streams that will be performing both input and output operations must be declared as class _________ .

(A) iostream
(B) fstream
(C) stdstream
(D) Stdiostream

A

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Q. Exception handlers are declared with ____________ keyword.

(A) Try
(B) catch
(C) throw
(D) Finally

A

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Q. How many times does the “cout” in line 12 run?

Code:

#include  
using namespace std; 
  
int main() 
{ 
    int n = 10; 
    for (int i = 0; i < n; i++ ) 
    { 
        n++; 
        continue; 
        cout << n; 
    } 
  
    return 1;
}

(A) 10
(B) 11
(C) 1
(D) The “cout” never runs.

A

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Q. Which of the following operators is called “Input Flow Operator”?

(A) <<
(B) >>
(C) >
(D) <

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Q. Which of the following operators is called “Output Flow Operator”?

(A) <<
(B) >>
(C) >
(D) <

C++ MCQs with answers Page - 16

Q. Which function is used to write a single character to the console in C++?

Q. The size of an object or type can be determined with which operator?

Q. Which of the following are true about static member function?

1. They can access non-static data members.
2. They can call only other static member functions.
3. They can access global functions and data.
4. They can have this pointer.
5. They cannot be declared as const or volatile.

Q. class X, class Y and class Z are derived from class BASE. This is ______ inheritance.

Q. Streams that will be performing both input and output operations must be declared as class _________ .

Q. Exception handlers are declared with ____________ keyword.

Q. How many times does the “cout” in line 12 run?

Q. Which of the following operators is called “Input Flow Operator”?

Q. Which of the following operators is called “Output Flow Operator”?

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C++ MCQs with answers Page - 16

Q. Which function is used to write a single character to the console in C++?

Q. The size of an object or type can be determined with which operator?

Q. Which of the following are true about static member function? 1. They can access non-static data members. 2. They can call only other static member functions. 3. They can access global functions and data. 4. They can have this pointer. 5. They cannot be declared as const or volatile.

Q. class X, class Y and class Z are derived from class BASE. This is ______ inheritance.

Q. Streams that will be performing both input and output operations must be declared as class _________ .

Q. Exception handlers are declared with ____________ keyword.

Q. How many times does the “cout” in line 12 run?

Q. Which of the following operators is called “Input Flow Operator”?

Q. Which of the following operators is called “Output Flow Operator”?

Add MCQ in this Category

Browse Categories

Q. Which of the following are true about static member function?

1. They can access non-static data members.
2. They can call only other static member functions.
3. They can access global functions and data.
4. They can have this pointer.
5. They cannot be declared as const or volatile.