A print queue can be compared to standing in line at the bank, waiting for a teller to become available. When you are attached to a network printer and you can click on the print command, you are sending the print request to the print queue. Importance of backup. If your backup is not current, then it s about as useful as an expired health insurance card. The need to change passwords.
Passwords are like toothbrushes.
Menus in computer programs are just like menus in a restaurant. Pulling down a menu is like opening to a specific page in a menu. We only see the choices that pertain to that function. Double-clicking is like knocking twice on a door or like the genie in Aladdin who claps twice quickly to make something happen. These three tools are the Three Musketeers who come to the rescue while you are typing.