An introduction to computers and computer systems: Session 8: Figure 1 Main components of electricity consumption for the IT sector.

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Two pie charts, one labelled 2012 and the other labelled 2017. The first pie chart indicates that in 2012, the percentages of electricity consumption for the IT sector were as follows: Devices 47%, Networks 20%, Data centres 15%, Manufacturing 18%. The second pie chart indicates that in 2017, the percentages of electricity consumption for the IT sector were as follows: Devices 34%, Networks 29%, Data centres 21%, Manufacturing 16%.

Figure 1 Main components of electricity consumption for the IT sector.

2 Green computing

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