As a result, you can find tons of games, databases, GPA systems, weather reporting programs, and even small encyclopedias on these things - each accessible not at the click of a mouse - but at a few presses of a free thumb. Of course a mini keyboard is available for the text-messaging fan or for the poor fellow who can't seem to get away from the office. An example of an error in this part of an interface would be if an option was missing or grayed out (lighter in color). Tool bar - this part of a program displays small icons across the top which represent tools. Clicking an icon will open a tool or process a command that might also exist on a program's menu bar. Buying a Computer What To Do And Why It isn't fair, but buying a computer is just plain easier for some than it is for others. Those who've purchased and used a computer in the past already have an idea of what they need in a new computer. But those who are new to the computer world could get lost in the myriad of choices available. Another underused resource on the Internet, Usenet newsgroups have hundreds of discussion groups dedicated to some of the most popular computer systems, operating systems, hardware manufacturers, and individual software programs. Sometimes, the representatives of these companies participate, but most of the time, the support in this group is user to user, which is just as valid because you're working with a team of experienced people. gif - This extension indicates another image file and it stands for "Graphics Interchange Format." .Gif files are often smaller than .bmp files (described earlier) and they're commonly found on Internet web pages. .jpg - This extension indicates yet another image file and it stands for "Joint Photographers Experts Group. Compared to Microsoft's Access database program, its user-friendly Address Book is a Godsend to new computer users. Calculator. Calculator has been a Windows accessory even from its first debut in Windows 1.0. For the life of us, we can't figure out why anyone other than a rocket scientist would want to install a different version than this free one that comes pre-installed.