![]() Short-term memory is focused on immediate work, but it can only keep a limited number of facts in view at any one time. RAM can be compared to a person's short-term memory, and a hard disk drive to a person's long-term memory. Function of RAMÄ«ecause of its volatility, RAM can't store permanent data. ![]() When the computer is rebooted, the OS and other files are reloaded into RAM, usually from an HDD or SSD. That means data is retained in RAM as long as the computer is on, but it is lost when the computer is turned off. It is much faster to read from and write to than other kinds of storage, such as a hard disk drive ( HDD), solid-state drive ( SSD) or optical drive. RAM (Random Access Memory) is the hardware in a computing device where the operating system ( OS), application programs and data in current use are kept so they can be quickly reached by the device's processor. Stacey Peterson, Senior Managing Editor.
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