2007년부터 시작된 고유가로 인한 에너지 비용증가, 탄소배출권 시장확대, 친환경에너지 및 에너지절약 정책 등으로 Green IT 분야의 관심이 어느 때 보다 높아지고 있다. 특히 매년 급속히 성장하는 컴퓨터 분야에 대한 Green Technology는 매우 중요하다. 2008년 전세계에 사용되는 컴퓨터는 10억 대에 이르며 이들이 사용하는 에너지는 전체 에너지 소비의 1%를 차지하고 있다. 그런데 1%의 에너지 소비 중 70%는 실제 사용하지 않는 대기상태로 컴퓨터 전력이 낭비되고 있다. 전력관리 미 적용, 비효율적인 전원공급기(PSU) 사용 및 대기전원 등으로 인한 전력낭비가 PC 전력낭비의 주 원인이다. 본 고는 PC 전력 실험을 통하여 PC 전력사용의 문제점을 분석하고 개선 방안을 다루고 있다.
KSP Keywords
green IT
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