In the syntax of the overloaded operator function given below: Complex operator + (Complex &); What is operator?

• A)
• B)
• C)
• D)

Default constructor takes _________.

• A) one parameter
• B) two parameters
• C) character type parameter
• D) no parameters

which operator can be overloaded?

• A)
• B)
• C)
• D)

What is the main difference between a struct and a class in C++?

• A) Struct members are public by default; class members are private.
• B) Structs can’t have functions.
• C) There is no difference.
• D) Classes don’t allow data grouping.

Complex codd (complex c1, complex c2); Which statement is true for above code?

• A)
• B)
• C)
• D)

Constructor is itself a __________ of C++ and ___________.

• A) object, can not be initialized
• B) class , can be overloaded
• C) function , cannot be overloaded
• D) function, can be overloaded

Which of the following is assignment operator?

• A)
• B)
• C)
• D)

What can the resultant number when you AND two numbers 12 & 8 bit-wise using & operator?

• A) 8
• B) 6
• C) 12
• D) 4

which option will be correct in order to free the space of memory allocated to a buffer (buf)?

• A)
• B)
• C)
• D)

How is a destructor named in C++?

• A) _ClassName()
• B) ClassName~()
• C) destroyClassName()
• D) ~ClassName()

How many objects are initialized for the class? Date myDates[10];

• A)
• B)
• C)
• D)

For converting a void type pointer ptr into integer type, the correct syntax is:

• A) *int ptr
• B) (int *) ptr
• C) int * ptr
• D) ptr * int

which statement about pointer is not true?

• A)
• B)
• C)
• D)

Why is it a good practice to write macro names in capital letters?

• A) It avoids runtime errors
• B) It is required by the compiler
• C) It helps distinguish macros from functions and variables
• D) It speeds up macro execution

Representing logical depiction of the solution to the problem is known as a ________

• A)
• B)
• C)
• D)

Look at the program code and identify the error. #include<iostream> using namespace std; #define PI 3.1415926; main() { int radius = 5; cout << "Area of circle with radius " << radius << " = " << PI * radius * radius; }

• A) It will be compiled and returns nothing
• B) Error exists in line number 2. Semi colon is not allowed with define directive
• C) It will be compiled successfully and will not generate error
• D) The value of PI cannot be defined in the beginning

Which statement about manipulators is not true?

• A)
• B)
• C)
• D)

A file opened with the help of ______________ can be used for both input and output.

• A) iostream
• B) fstream
• C) ifstream
• D) ofstream

which of the following structure is correct for WHILE loop?

• A)
• B)
• C)
• D)

Which header file is required to use file I/O operations?

• A) <ostream>
• B) <fstream>
• C) <iostream>
• D) <ifstream>