external memory


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external memory

[ek¦stərn·əl ′mem·rē]
(computer science)
Any storage device not an integral part of a computer system, such as a magnetic tape or a deck of cards.

external memory

(storage)
A vague term for slower, non-volatile storage, usually magnetic disk, in contrast to main memory which is usually volatile semiconductor RAM.

external memory

Typically refers to storage in an external hard drive or on the Internet. The main "memory" in the computer is the computer's workspace, not its storage facility. See external storage.
References in periodicals archive ?
For best performance, the processor needs to provide the capability to gather a 2-D sub-block from external memory to internal via DMA and then scatter it back to external memory.
First of all external memory brings to the system additional risk of hardware malfunction.
External memory aids are especially useful when we don't have time to commit something to memory, when we have to remember complex information or a great quantity of information, or when we must remember something over a long period of time.
For example, data can be written to, or read from the external memory interface from the microprocessor bus.
Programmability allows developers of PCs and mobile devices to configure their designs without external memory.
This data is sequentially sent to the PC, using I2C and to external memory, on the demand of the user.
Procurement Object Framework Agreement Is the Acquisition of Energy Meg40 Analyzer, Portable External Memory (Memory Card) 16 Mb, 201 Meg Usb Converter - 202.
external memory cards sony brand sd-hc 32 gb storage capacity c / u for photo equipment and tv
The VS2000 feature set includes a 60 MHz 32-bit Lightfoot RISC CPU core, 10/100 Ethernet MAC with a 4KB frame buffer SRAM, external memory controller with 32MB addressing range, configurable 8- or 32-bit external memory bus, glueless interface including four individually-programmed chip selects, two cache controllers, two UARTS, three SPI ports, watchdog timer, real-time clock and interrupt controller.
Many SoC applications today implement graphics or video processing subsystems that interact with two-dimensional frame buffers stored in external memory.
The 32-bit data bus extension function also allows the fast execution of programs stored in external memory.
By nearly doubling the overall performance of Samsung's MLC NAND, mobile consumers will enjoy faster data transfer speeds when storing or reading large data files whether they're using an external memory card, or a handset with a built-in flash solution such as Samsung's moviNAND(TM).