Although this software does a pretty good job of removing unwanted programs, it can leave some files behind even after a complete uninstall - files which become orphan files. And it's these orphan files that can really clutter up a hard drive and shorten the life of an otherwise, young and robust PC. 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. For example, when you're faced with an electronic system, look for a main menu. Most main menus display themselves as soon as a device is turned on, so chances are that if you're standing before a device that shows a bunch of choices to do something, you're looking at a main menu. Minimize, Restore, and Exit buttons - these three buttons are usually located on the right-most upper part of a program's interface and each allow you to minimize a program's screen, restore it to its original size, or shut down the program completely. Scroll bar - this convenient tool allows users to move data up and down the computer screen. That - and the ability to edit the content that sits on them - is what makes these phones "smart." Some of the more popular brand names include the Blackberry, PalmSource, Nokia, and Windows CE. Yet the craze is extending to even some off-brand company names. Today, it's hard to find a cell phone that doesn't offer some sort of "smart" technology because it's in such a high demand. In a physical store, you have the opportunity to see the computer of interest in person and ask questions. New computer buyers also have access to store warranties, returns, trades, and services. These suggestions should give the computer newbie a great start in selecting a quality computer for the first time and they apply to either Windows computers or Apple Macintosh computers. Conditions allow a program to perform an action based on the outcome of a previous command.3 Using this type of instruction, we could instruct a program to do one thing if the "x" variable in our latter example turned out to be 7 days, and then do different thing if the variable turned out to be 3 days.