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How software is programmed can affect energy consumption.
Source: wechselbalg /

Software plays an important role in determining the environmental impact of ICT products. It has a measurable impact on computer-hardware energy consumption and increasing requirements can make it necessary to replace computer hardware prematurely – a phenomenon known as software obsolescence.

Inefficiently programmed application software can potentially consume up to four times as much energy as an efficiently designed product. What’s more, when it comes to hardware efficiency (in terms of processor capacity use, RAM, non-volatile memory and data transfer), there are substantial differences between comparable application softwares. This is particularly relevant in light of the fact that if undue strain is placed on IT hardware, it will be replaced by a more powerful piece of equipment.

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