eHow launches Android app: Get the best of eHow on the go.
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To restore a CD, wash it with mild soap, use a soft damp cloth and a mild abrasive cleaner and be careful not to make any new scratches. Discover why the horizontal scratches, not the vertical ones, cause a CD to skip with information from a computer programmer in this free video on restoring a CD.

Learn basic JAVA by enrolling in a local college class, buying a book on JAVA or taking an online class. Find out how expensive a JAVA class may be and what the benefits are with information from a computer programmer in this free video on JAVA.

Hack Windows by using a registry editor that will lead you to errors and guide you through making changes, which will improve the way Windows functions. Back up programs before attempting to hack Windows programs with advice from a computer programmer in this free video on Windows.

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.