Support Is high CPU usage normal on android?

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http://androidforums.com – I'm not sure exactly what's going on because I'm not a really in-depth android guru, so I will post what I do know and understand and maybe it can be resolved. I noticed today in task manager that cpu usage was hovering at 45% to 55% on avg, and spiking to 85% clear up to 98% at times. Well this had me puzzled and wondering so I started digging, and thought perhaps an app was flaking out, or maybe I needed to ditch an app of sorts. So it began I started uninstalling apps, checking task manager, no change, another app, and so on for about 10 apps I thought might be the issue, namely all the n (General)