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EXPLAIN RELATIONSHIP TOTAL PIXEL AND PICTURE RESOLUTION QUALITY EXPLAINING BASICS VIDEO SIGNAL By Sarbini, S.Pd (SMK Muh 3 Yogyakarta)
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Teknologi dan Rekayasa ELEMENT PICTURE Image basically compiled from a group colour dots. To understand one image, first principle is by divide an image become color dots by zooms in become many times overs so descry box. Our brain automatically will reassemble that dot as one images. But if enlarged to return, appear image different and seen there image shaper boxes. Image shaper dot composition
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Teknologi dan Rekayasa On television or computer, this dot is called pixel (picture element) of the size horizontal dot total x vertical dot total. E.g. display with 1024x768's rev pixel, its mean available 1024 horizontal dots for every 1 vertical dot. So total it there is 786.432 pictured patronising dots. Because so dots quantity element picture, so picture is seen softer. S maller resolution (total pixel) so picture more seen coarse (less soft)
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Teknologi dan Rekayasa MONITOR PIXEL T here 2 manners describes measures of one displays which is aspect ratio and screen size Computer display or TV generally has one ratio aspect (compare of wide and display high) 4:3. For widescreen having ratio's aspect 16:9( to feature DVD film that have widescreen's format, and HDTV'S System). All type of display comprises projection surface, known as display (screen). Display measure normally been measured by unit inch, begun of one angle until corner of other cross diagonally.
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Teknologi dan Rekayasa For crt screen, screen size is measured diagonally of steps aside body's extern display (coat most extern comes on to be measured). For LCD'S display, display is measured diagonally from side in the frame (side outside doesn't come along to measures)
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Teknologi dan Rekayasa Standard type PixelUsing up XGA (Extended Graphics Array) 1024x76815- and 17-inch CRT monitors 15-inch LCD monitors SXGA (Super XGA)1280x102415- and 17-inch CRT monitors 17-and 19-inch LCD monitors UXGA (Ultra XGA) 1600x120019-, 20-, 21-inch CRT monitors 20-inch LCD monitors QXGA (Quad XGA) 2048x153621-inch and larger CRT monitors WXGA (Wide XGA)1280x800Wide aspect 15.4-inch laptops LCD displays WSXGA+ (Wide SXGA plus) 1680x1050Wide aspect 20-inch LCD monitors WUXGA (Wide Ultra XGA) 1920x1200Wide aspect 22-inch and larger LCD monitors STANDARD DISPLAY REV OLUTION
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