So with WordPad having the ability to read and create rich text; embed objects (sound, pictures, and video); and manipulate fonts, we have to wonder if other word processors, which do the same thing, are really necessary. Although WordPad is certainly no match for Microsoft Word's internal spell and grammar checker or Word's Internet linking capabilities, we believe it's a great introduction to word processing in general for computer novices. We tried to convince him that a fully functional computer is one that is personalized with specially selected hardware and software accessories - and that the computer purchased at the store doesn't come with these things. Unfortunately, all of our convincing was to our avail. Our client insisted that he should never need more than what came with his boxed product and that we were just trying "bilk" more money out of him. Use the computer in a dust-free environment and never smoke around it. Nicotine and tar mean certain death when it comes to computer fans, however should you find a need to clean the fan, do so with extreme care. It's quite easy to cause more damage from cleaning so if you're not comfortable with cleaning your PC yourself, take it to a shop for servicing. " By "fastest and biggest," we mean the computer with the fastest processor, the fastest modem, the biggest memory, and the biggest hard drive capacity. Even if you think that you'll never need the amount of speed or space available on the market today, it's important to have in the event that you truly do need that much in the future. Sometimes, the data comes from an outside source like the Internet or the computer that the program runs on. The data that a program receives is called input and data that the program generates is called output. Other times, the data is unknown. If the program were working with a simple algebra equation like, "x + 5 = y," the variables "x" and "y" would be unknown pieces of data. mp3 - This extension indicates a sound file that authentically reproduces voice and/or music. Windows Media Player will open and run this kind of file. .scr - This extension indicates a screen saver file. .sit - This extension indicates a Macintosh archive StuffIt file. They will not open on a Windows system without a special utility.