C++ Programming Basics Quiz

#include (correct)

#include

#include

#include

It imports all namespaces from the standard library into the program.

It restricts the usage of standard library functions to the std namespace only.

It is not a valid statement in C++.

It allows the program to use elements of the standard C++ library without specifying the std namespace. (correct)

It is optional and can be omitted from a C++ program.

It is used to declare an integer variable named 'main'.

It is the entry point of the program where execution begins. (correct)

It is a predefined function in the C++ standard library.