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Could anyone tell me how much history, in time (e.g. seconds or minutes), the CPU Usage History panel in the Task Manager show (see the image below)? I'm particularly interested on the XP, but also wonder if it changes across different flavours of Windows.

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You can also change this via the View | Update Speed menu in taskman – Jeff Atwood Sep 12 '10 at 20:55
That doesn't change the fact that each square still represents 6 seconds. – William Sep 16 '10 at 4:41
up vote 2 down vote accepted

In Windows XP, Vista, win7 each Sqaure represents 6 seconds

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May I ask where you got this from, i.e. did you test it or read it somewhere? – William Sep 8 '10 at 5:17
I tested it for myself – subanki Sep 8 '10 at 5:25
Thanks for the efforts :) – William Sep 8 '10 at 6:29

On my Vista system, each square represents 6 seconds.

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Thanks! Same in Windows 7. – William Sep 8 '10 at 4:45

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