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Display type - At last a real choice on the desktop a standard CRT cathode-ray tube monitor or a flat-panel LCD liquid-crystal display LCD prices have fallen dramatically while the cost of CRT monitors has declined gradually Youll still pay a lot more for an LCD--models larger than 15 inches remain luxury items--and the speed brightness resolution and color accuracy cant match those of a CRT But people with limited space or easily fatigued eyes will find LCDs a welcome option Screen size - Most PCs come with a CRT monitor that measures 17 inches diagonally Unless youre putting your own system together or replacing a defective 17 incher you probably have an LCD or a 19-inch or larger CRT in mind A 15-inch LCD costs roughly the same as a 19-inch CRT monitor But be aware that CRT monitors are slightly smaller than they seem On a standard 19-inch CRT monitor for example the CRT itself measures 19 inches diagonally but the faceplate shaves about 1 inch off of the viewable area With LCDs all inches are viewable As an added bonus some LCD monitors can be rotated 90 degrees into portrait mode for a full view of documents Dot pitch - All CRT displays use tiny triads of red green and blue phosphor dots to produce what we perceive as a single dot of a designated color Thousands of these dots form the image on the screen The dot pitch is the distance between the centers of any two triads or what we think of as dot center to dot center Theoretically the tighter the dots are packed together in other words the smaller the dot pitch the sharper the image Sony Trinitrons and Mitsubishi Diamondtrons use stripes of red green and blue instead of triads so we refer to their stripe-to-stripe distance as stripe pitch Unfortunately dot pitch can be calculated horizontally vertically or
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