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In computer science, a data buffer (or just buffer) is a region of memory used to store data temporarily while it is being moved from one place to another. Typically, the data is stored in a buffer as it is retrieved from an input device (such as a microphone) or just before it is sent to an output device (such as speakers); however, a buffer may be used when data is moved between processes ...
When the scratchpad is a hidden portion of the main memory then it is sometimes referred to as bump storage. In some systems [ a ] it can be considered similar to the L1 cache in that it is the next closest memory to the ALU after the processor registers , with explicit instructions to move data to and from main memory , often using DMA -based ...
Off-line storage is computer data storage on a medium or a device that is not under the control of a processing unit. [9] The medium is recorded, usually in a secondary or tertiary storage device, and then physically removed or disconnected. It must be inserted or connected by a human operator before a computer can access it again.
tmpfs (short for Temporary File System) is a temporary file storage paradigm implemented in many Unix-like operating systems. It is intended to appear as a mounted file system, but data is stored in volatile memory instead of a persistent storage device.
Second, the maximum throughput of a RAM drive is limited by the speed of the RAM, the data bus, and the CPU of the computer. Other forms of storage media are further limited by the speed of the storage bus, such as IDE (PATA), SATA, USB or FireWire. Compounding this limitation is the speed of the actual mechanics of the drive motors, heads, or ...
Devices that are used to store data or programs on a temporary or permanent basis for use in an electronic digital computer. memory access pattern The pattern with which software or some other system (such as an accelerator or DMA channel ) accesses, reads, and writes memory on secondary storage.