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ﺔﺤﻔﺼﻟا ﻰﻠﻋأ ﻰﻟإ ةدﻮﻌﻟا
E
Energy Star Computers Program) ﺞﻣﺎﻧﺮﺑ
Energy Star
ﺮﺗﻮﻴﺒﻤﻜﻟا ةﺰﻬﺟﻷ(
ﺔﻴﻜﻳﺮﻣﻷا ﺔﺌﻴﺒﻟا ﺔﻳﺎﻤﺣ ﺔﻟﺎآو ﻪﺘﻘﻠﻃأ ﺔﻗﺎﻄﻟا ﻰﻠﻋ ظﺎﻔﺤﻠﻟ ﺞﻣﺎﻧﺮﺑ ﻮه)EPA(،و ﺔﻴﻟﺎﻌﻔﻟﺎﺑ ﺰﻴﻤﺘﺗ ﻲﺘﻟا ﺔﻴﺒﺘﻜﻤﻟا ﺔﻴﻟﻵا ةﺰﻬﺟﻷا ﻖﻳﻮﺴﺗو ﻊﻴﻨﺼﺗ ﻊﺠﺸﻳ ﻮه
ﺔﻗﺎﻄﻟا كﻼﻬﺘﺳا ﻲﻓ . ﻦﻣ ﻪآﻼﻬﺘﺳا ﺾﻔﺧ ﻰﻠﻋ ةرﺪﻘﻟﺎﺑ ﻊﺘﻤﺘﻳ ﺮﺜآأ وأ ﺪﺣاو ﺞﺘﻨﻣ ﺔﻋﺎﻨﺼﺑ ماﺰﺘﻟﻻا ،ﺞﻣﺎﻧﺮﺒﻟا اﺬﻬﻟ ﻢﻀﻨﺗ ﻲﺘﻟا تﺎآﺮﺸﻟا ﻰﻠﻋ ﺐﺠﻳو
ﺔﻗﺎﻄﻟا) >30تاو (ماﺪﺨﺘﺳﻻا ﻦﻋ ﻒﻗﻮﺘﻟا ﻦﻣ ةﺮﺘﻓ ﺪﻌﺑ ﺎﻣإ،ﺪﻌﺑ وأ ﺎًﻔﻠﺳ مﺪﺨﺘﺴﻤﻟا ﺎهدﺪﺤﻳ ﺖﻗﻮﻟا ﻦﻣ ةﺮﺘﻓ .
ﺔﺤﻔﺼﻟا ﻰﻠﻋأ ﻰﻟإ ةدﻮﻌﻟا
G
Gamma) ﺎﻣﺎﺟ(
ﺎﻣﺎﺟ ﻪﻴﻠﻋ ﻖﻠﻄﻳ ﺎﻬﺳأ ،ﻮﻳﺪﻴﻔﻟا ﻞﺧد ةرﺎﺷﻹ ﺔﻴﺿﺎﻳر ﺔﻟاد ﺎًﺒﻳﺮﻘﺗ ﻊﺒﺘﻳ ﻮﻳﺪﻴﻓ ﺪﻬﺟ ﺔﻟاﺪآ ﺔﺷﺎﺸﻟا عﻮﻄﺳ.
Grayscale) يدﺎﻣﺮﻟا جرﺪﺗ(
ﺒﻋ دﻮﺳﻷا ﻦﻣ ﻲﺗﺎﻣوﺮآأ جرﺪﺗﺾﻴﺑﻷا ﻰﻟإ ﺔﻴﻟاﻮﺘﻤﻟا ﺢﺗﺎﻔﻟا يدﺎﻣﺮﻟا تﺎﺟرد ﻦﻣ ﺔﻠﺴﻠﺳ ﺮ . ﻲﺘﻟاو ،تاﻮﻄﺧ ﻦﻣ ﺔﻠﺴﻠﺴﻟا ﻩﺬه ﻞﺜﻣ نﻮﻜﺘﺗ نأ ﻦﻜﻤﻳو
ﺔﻳوﺎﺴﺘﻣ تﺎﻓﺎﺴﻣ ﺎﻬﻨﻴﺑ ﺮﻬﻈﺗ .If the Analog /Digital converter is 8 bit، then the monitor can display at most 2
8
=
256 levels.ﻮﻟ ﻞﻜﻟ ،ﺔﻧﻮﻠﻤﻟا تﺎﺷﺎﺸﻠﻟ ﺔﺒﺴﻨﻟﺎﺑ قرزﻷاو ﺮﻀﺧﻷاو ﺮﻤﺣﻷا ﻦﻣ ن256ىﻮﺘﺴﻣ . ﻮه ﺎﻬﺿﺮﻋ ﻦﻜﻤﻳ ﻲﺘﻟا ناﻮﻟﻷا ﻲﻟﺎﻤﺟإ نﺈﻓ ﻚﻟﺬﻟ
256×256×256 =16.7نﻮﻴﻠﻣ .