Answer:
Either scroll on a mouse or use the left arrow key.
I don't know if this is right.
The appropriate response is an Expert system (ES). PC program that gives guidance to leaders who might somehow or another depend on human specialists. It's a sort of computerized reasoning that uses a database to give help to clients.
<span>Words or names defined by the programmers are called as programmer defined symbols or identifiers. These are called as variables which are just simple storage locations and making available for the program to use. No two variables are same in the code of the program.</span>
