The Parts of Your Macintosh That Will Go to Sleep

The three biggest power-consuming parts of your Macintosh are the following:

  • Processor This is the part that does all the work, such as calculating mathematical equations in a spreadsheet or determining the trajectory of a missile fired in a video game based on the movement of the mouse.

  • Display This part is the screen that shows windows, menus, and icons so you can control your Macintosh and read information.

  • Hard disk This is where your Macintosh stores programs and data.

You can choose to put only one or two of these items to sleep, but for maximum energy conservation, you should put all of them to sleep after a fixed amount of time. This fixed amount of time is known as the inactivity time. You ...

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