The email messages are often disguised as important messages from well-known online establishments, and they often try to scare their readers into clicking links with threats of closing an account of some sort. Sometimes the links are harmless and attempt to con the reader into volunteering personal information (credit card number), but other times the links attempt to download harmful software onto a computer. An Introduction to File Extensions In an effort to be "user-friendly," Windows (and perhaps some other operating systems) hides the most important part of a file name from new computer users: the extension. Okay - we're assuming that the reasoning behind hiding extensions is a "user-friendly" one because we just can't come up with any other reason for hiding them. Other tools available online operate similar to the way that AOL's Parental Control settings work, however no collection of tools could replace the reinforcement of mom and dad. Never let your children speak with strangers and never leave them alone at the computer unattended. Children just don't have the experience that adults have and they don't have the skills required to handle inappropriate conversations, emails, or images found online. This all sounds fine and dandy of course, but if you're not computer savvy, you're going to feel a little lost once the choice has past and the revolution is 100% complete. Fortunately, computer systems are designed in a way that even a child can manipulate them. In fact, if you can remember that most systems are designed along the line of menus and the selections of a few options on these menus, you'll do just fine no matter how many buttons there are to push. If programmed incorrectly, an application might display the wrong information in this area. Context menu - like the menu bar, a context menu displays when a user right-clicks on something. It displays commands just like what you see on a File menu or a Help menu. Input box - input boxes are usually small rectangles that allow you to type data into a simple interfaces like a webpage or browser window. Options available can accommodate a person's preference for the display of numbers, currency, time, and date format. Sounds Properties. Multimedia fans can create a rich PC environment filled with sound through this setting. Sounds can be assigned to numerous events and they don't even need to be the default sounds installed by Windows.