How to Buy a Computer

Summary: Computers are complex machines built upon very simple principles. They perform arithmetical operations millions of times over to transform digital information moving at lightning speed into usable human data. A personal computer's job is to help a user create, manipulate, deliver, receive, or delete media content. This is a simple, sterile definition that sounds uninteresting on the surface. Nevertheless, these fundamental functions mimic human ability in some surprising ways. Therefore, the computer is increasingly becoming an engine of the imagination, a platform for the digital life.

In this free video guide to choosing desktop computer monitors, keyboards and other PC accessories and peripherals, get tips on building your ideal desktop PC setup. Our expert will explain some of the advantages and disadvantages of CRT computer monitors versus flat panel LCD monitors. He’ll help you navigate the external hard drive market. Learn how to install either an IDE or SATA computer hard drive. Finally, get some basic electronics cleaning and maintenance tips for your mouse and keyboard.