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How to Monitor CPU Activity

The operating system on your computer uses the processing power of the CPU to execute applications. The CPU usage increases when you have multiple applications running simultaneously. You can monitor the level of activity using the Windows 7 Task Manager. The Task Manager also allows you to monitor the activity of each core or thread on a multicore CPU.

Instructions

    • 1

      Click the circular "Start" button on the lower-left corner of the Windows 7 desktop.

    • 2

      Type "Task Manager" (without any quotes) and hit the "Enter" key.

    • 3

      Click the tab labeled "Processes." The box under "CPU Usage" shows the activity of your computer's CPU. The boxes under "CPU Usage History" show the usage history of each CPU core.

Tips & Warnings

  • The CPU activity will hover around 1 to 2 percent when your computer is idle.

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