ANSWERS: 1
  • The Central Processing Unit (CPU) is the part of a computer that does all the work. It is important to know how hard it is working to get the most out of your computer dollar.

    Function

    The CPU is the real brain of a computer and coordinates all the parts of a computer that allows it to function. It also handles all the instructions from any software programs that are running. How much work it is doing is called usage.

    Finding usage

    Locate the computer's task manager program. "Ctrl-alt-del" is the shortcut to the program. Click the performance tab. You will see a real-time illustration with percentages displayed. Those numbers are the amount of the CPU's computing power that is being used.

    High usage

    When multiple programs are running simultaneously, the time it takes for each operation to be performed increases and the usage level climbs.

    Gauging usage

    When a computer becomes sluggish after several hours of working correctly, chances are too many things are asking for the CPU's attention. You can also check the task manager.

    Regulation

    By accessing the task manager and opening the processes window, you can see all the tasks that the CPU is working on. By clicking and closing tasks that are unneeded, you can increase the computer's speed.

    Source:

    "The Architecture of Computer Hardware"; Irv Englander; 2003

    "Principles of Computer Hardware"; Alan Clements; 2006

    "How Computers Work"; Ron White; 2007

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