A Methodology to Measure the Environmental Impact of ICT Operating Systems across Different Device Platforms |
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| Authors: | Daniel R Williams Yinshan Tang |
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| Affiliation: | 1.Technologies for Sustainable Built Environments(TSBE) Centre,University of Reading,Reading RG6 6AF,U. K.;2.Henley Business School,University of Reading,Reading RG6 6UD,U. K. |
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| Abstract: | A new methodology was created to measure the energy consumption and related green house gas (GHG) emissions of a computer operating system (OS) across different device platforms. The methodology involved the direct power measurement of devices under different activity states. In order to include all aspects of an OS, the methodology included measurements in various OS modes, whilst uniquely, also incorporating measurements when running an array of defined software activities, so as to include OS application management features. The methodology was demonstrated on a laptop and phone that could each run multiple OSs, results confirmed that OS can significantly impact the energy consumption of devices. In particular, the new versions of the Microsoft Windows OS were tested and highlighted significant differences between the OS versions on the same hardware. The developed methodology could enable a greater awareness of energy consumption, during both the software development and software marketing processes. |
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| Keywords: | Environment green information and communications technology operating system sustainability |
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