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The maximum random access memory (RAM) installed in any computer system is limited by hardware, software and economic factors. The hardware may have a limited number of address bus bits, limited by the processor package or design of the system. Some of the address space may be shared between RAM, peripherals, and read-only memory.
Many computer systems have a memory hierarchy consisting of processor registers, on-die SRAM caches, external caches, DRAM, paging systems and virtual memory or swap space on a hard drive. This entire pool of memory may be referred to as "RAM" by many developers, even though the various subsystems can have very different access times ...
Here are a few ways to free up disk space on your hard drive. Uninstall any apps you don't use: If you're on a PC, look for a list of your apps in the Start menu. Then right click on the apps you ...
If there is a power loss the data can be saved to an internal 4GB ssd in 60 seconds, via the use of a battery backup. Thereafter the data can be recovered back in to RAM once power is restored. A host power loss triggers the DDRdrive X1 to back up volatile data to on-board non-volatile storage. [17] [18]
Some solid-state storage devices use RAM and a battery that preserves the contents of the RAM without system power as long as the battery continues to provide power. Flash-based storage does not suffer the limitation of a battery, but RAM-backed storage is faster and does not experience write amplification. [3] [8] [9]
RAM chips for computers usually come on removable memory modules like these. Additional memory can be added to the computer by plugging in additional modules. Volatile memory loses its stored data when the power to the memory chip is turned off.