Quiz on C++ for Technology Lovers

Which storage class specifier can be used only on a class data member for making it modifiable even though the member is part of the object declared as constant?

Which function accepts one double integer as an argument and returns a double integer which is the value of sin(x°)?

The _______ function will only return a pseudo-random number.

_______ signal is an invalid access to storage.

What will be the output of the following code?
#include
using namespace std;
int main()
{
int arr[] = {1, 2, 3, 4};
int *a = (arr + 1);
cout << *a;
return 0;
}

A function declaration tells the compiler about a function’s –

This method copies the address of an argument into the formal parameter.

A MIME string that defines the format of the file being returned is –

The signal function –

The existing class in C++ is called ______ class and the new class is called _______ class.

We can avoid the prepending of namespaces with the ________ directive.

______ is an opaque and unique identifier for the new thread returned by the subroutine.

Which subroutine blocks the calling thread until the specified thread terminates?

Output of the following code will be –
#include
#include
using namespace std;
int main()
{
cout << setprecision(19);
double abc = 0.2;
cout << abc << endl;
return 0;
}

This is the unused memory of the program and it can be used to allocate the memory dynamically when the program runs.

This data type represents the input file stream and then is used to read all the information from files.

A predefined macro in C++ is

“||” operator is called as

Which operator causes a replacement-text token to be converted to a string surrounded by quotes.

The general form of a template function definition is –