What is cout

Answer 1

cout means console output..
if we write ..
cout<<"hello";
then it prints hello on screen

Answer 2

cout is an Object of type output stream.
It stands for, 'console output' (what the others said).
The << operator is overloaded by a function that will print to the console.

Answer 3

thè command to output something on screen:
cout << "foo";
outputs foo in command line

Answer 4

cout << "hello!"
=print hello on your screen.