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An `ostream`, short for "output stream," is a class that supports output, available via `#include ` and in namespace `std`.

A. True
B. False

Sagot :

GinnyAnswer

Final answer:

An ostream in C++ facilitates output operations through classes while 'using namespace std' simplifies access to elements in the C++ Standard Library.


Explanation:

An ostream, short for "output stream," is a class in C++ that supports output and is available via <iostream> and in namespace std.

In C++, the statement cout << "Hello World!\n"; performs an output operation, printing a string to the standard output.

The usage of using namespace std allows omitting the prefix std:: when utilizing elements from the C++ Standard Library.


Learn more about C++ Streams and Namespaces here:

https://brainly.com/question/50850150


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