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1- RASTER SCAN 2- RANDOM SCAN

2. RASTER SCAN . ?????? ???? ??? ?? ?????????? ??????? ?? ?? CRT??????? ?? ??? ?????????? RASTER SCAN??? ?? ?????? ???????? ???????? ??????? ?? ?? ????? RASTER- SCAN ???? ???????? ?? ??? ???? ?? ?? ??? ?? ?? ???? ?? ???? ?? ????? ???? ?? ???? ???????? ?? ???? ??????? ????? ?? ??? ???? ?? ??? ??

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1- RASTER SCAN 2- RANDOM SCAN

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    1. 1 ????? ????????? 1- RASTER SCAN 2- RANDOM SCAN

    2. 2 RASTER SCAN ?????? ???? ??? ?? ?????????? ??????? ?? ?? CRT??????? ?? ??? ?????????? RASTER SCAN??? ?? ?????? ???????? ???????? ??????? ?? ?? ????? RASTER- SCAN ???? ???????? ?? ??? ???? ?? ?? ??? ?? ?? ???? ?? ???? ?? ????? ???? ?? ???? ???????? ?? ???? ??????? ????? ?? ??? ???? ?? ??? ???? ( ??? ) ?? ????? ????? ??????? ???? ??? ?? ?? ???? ?? ???? ????. ????? ????? ??? ????? ????? ???? ???? ????? ???? REFRESH BNFFER ?? FRAME BUFFER ????? ?? ??? .??? ???? ?????? ?? ?? ??????? ??? ??? ?? ???? ???? ???? ???? ??????? ????? ???????? ?????? ???? INTENSILY ?? ???? ???? ?? ?? ????? ?? ???? ?? REFRSH BUFFER?????? ??? ??? ?? ?? (SCAN LINE) ?? ?? ???? ???? ??? . ?? ???? ???? ???? PIXCEL?? PEL ?? ????? ???( PICTURE ELEMENT) ??? ?????? ?? ???.

    3. 3 ?????? ????? ?????? ????? RASTER SCAN ??????? ???? ??????? intensity ???? ?? ???? ?? ???? ???? ????? ??? ????? ?????? ????? ??? ???? ???????? ? ??????????? ????? ???? .

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