LCD (Liquid Crystal Display) - Definition
LCD is an abbreviation for Liquid Crystal Display, which is a technology used to show still pictures or moving images. LCD screens have no internal moving parts. Rather, they consist of a polarizing liquid sandwiched between two solid sheets with polarizing properties aligned on perpendicular axes. Application of a controlled electrical field causes certain areas of the screen to undergo opposing alignment. These areas dim to represent darker areas of the displayed image. The first practical LCD was created by a team, headed by George Heilmeier, at RCA. The technology is now being used in television sets, computer monitors, and a variety of other output devices.
Top Reasons To Wipe Away Your Internet History
- Information about all the sites you have visited is stored on your computer!
- Every image you have ever viewed, sent or received over the Internet is stored on your hard drive!
- There is a record of every program that you have ever downloaded or used on your hard drive!
- The windows delete button and the empty recycle bin option does NOT completely delete your files!
- Cleaning your History Files improves the speed of your computer and frees valuable disk space!
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