You work at a computer repair store. You're building a new computer for a customer. You've installed four 2-GB memory modules for a total of 8 GB of memory (8,192 MB). However, when you boot the computer, the screen is blank, and the computer beeps several times.Identify which memory modules are working as follows:Above the computer, select Motherboard to switch to the motherboard.Remove all memory modules from the computer but one and place the modules on the Shelf.Above the computer, select Front to switch to the front view of the computer.On the computer, select the power button on the front of the computer.If the computer boots and recognizes the memory, the module is good.If the computer does not boot, the module is bad.From the top navigation menu, select Bench to return to the hardware.On the computer, select the power button to turn the computer off.Above the computer, select Motherboard to switch to the motherboard.Drag the memory module to the Shelf.From the Shelf, drag an untested memory module to a slot on the motherboard.Repeat steps 1c-1h to test all remaining modules.
Drag the working memory modules from the Shelf to the correct color slots on the motherboards.
Boot into the BIOS and verify that all installed modules are recognized by the BIOS as follows:Above the computer, select Front to switch to the front view of the computer.On the computer, select the power button on the front of the computer.When the BIOS loading window appears, press F2 to enter the BIOS.

In the BIOS, select Advanced > Memory Settings. Verify that all four memory modules show up in the memory settings screen .From the BIOS, select Exit > Save Changes and Exit.

What is memory ?
Memory is the capacity for storing and retrieving information. It is an essential cognitive process that allows us to recall events and experiences from the past. Memory is the basis for learning and helps us to store and recall new information. Memory can be divided into three main categories: short-term memory, working memory, and long-term memory. Short-term memory is the ability to store information for a brief period of time, usually only a few seconds. Working memory is the ability to remember and manipulate information over a more extended period of time, usually a few minutes. Long-term memory is the ability to remember information over a longer period of time, usually days to years.

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