Why is count needed?

Question

Why do we use cout?

Answer 1

cout is used to print a statement on screen. Continue the C++ course, it'll be clearer to you gradually.

Answer 2

cout - output
cin - input

btw there is a typo in the question.

Answer 3

edit Character out is used. - Thanks @Ace!

To allow the viewer can see text output from the code.

http://www.cplusplus.com/doc/tutorial/

Answer 4

to send characters out to the character display device (normally the console display screen)