![]() ![]() In the list above, every time something is loaded or opened, it is placed into RAM. When you save a file and close the application, the file is written to the specified storage device, and then it and the application are purged from RAM.After an application is loaded, any files that are opened for use in that application are loaded into RAM.To conserve RAM usage, many applications load only the essential parts of the program initially and then load other pieces as needed. When you open an application, it is loaded into RAM.This allows the CPU to have immediate access to the operating system, which enhances the performance and functionality of the overall system. Generally, the critical parts of the operating system are maintained in RAM as long as the computer is on. The computer loads the operating system (OS) from the hard drive into the system's RAM.The BIOS provides the most basic information about storage devices, boot sequence, security, Plug and Play (auto device recognition) capability and a few other items. The computer loads the basic input/output system ( BIOS) from ROM.Read/write means that data is written to a bit and then read from that bit. As part of this test, the memory controller checks all of the memory addresses with a quick read/write operation to ensure that there are no errors in the memory chips. The computer loads data from read-only memory ( ROM) and performs a power-on self-test (POST) to make sure all the major components are functioning properly. ![]()
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