random-access memory


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ran·dom-ac·cess memory

(răn′dəm-ăk′sĕs)
n.
RAM.

ram

(ræm)

n., v. rammed, ram•ming. n.
1. a male sheep.
2. (cap.) Aries.
3. any of various devices for crushing, driving, or forcing something, as a battering ram.
4. (formerly) a heavy beak or spur projecting from the bow of a warship for penetrating the hull of an enemy's ship.
5. a warship so equipped.
v.t.
6. to drive or force by heavy blows.
7. to dash violently against.
8. to cram; stuff.
9. to push firmly; force: to ram a bill through the Senate.
10. to force (a charge) into a firearm, as with a ramrod.
[before 900; Middle English: male sheep, machine for ramming, Old English ram(m)]

RAM

(ræm)

n.
volatile computer memory, used for creating, loading, and running programs and for manipulating and temporarily storing data; main memory. Compare ROM.
[1955–60; r(andom)-a(ccess) m(emory)]

ran·dom-ac·cess memory

(răn′dəm-ăk′sĕs)
See RAM.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.random-access memory - the most common computer memory which can be used by programs to perform necessary tasks while the computer is onrandom-access memory - the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible
buffer storage, buffer store, buffer - (computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
magnetic core, core - (computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data; now superseded by semiconductor memories; "each core has three wires passing through it, providing the means to select and detect the contents of each bit"
core memory, magnetic core memory - (computer science) a computer memory consisting of an array of magnetic cores; now superseded by semiconductor memories
RAM disk - (computer science) a virtual drive that is created by setting aside part of the random-access memory to use as if it were a group of sectors; "access to a RAM disk is very fast but the data it contains is lost when the system is turned off"
volatile storage - computer storage that is erased when the power is turned off
References in periodicals archive ?
This cache of "prefetched" data is typically held in the computer's random-access memory, or RAM, where it can be accessed much faster than from a hard disk.
Keywords in this release: Embedded memories, magnetic random-access memory, MRAM, dynamic RAM, static RAM, flash memory, digital cameras, smart cards, automotive control systems, digital cameras, universal serial bus flash drives, personal digital assistants, MP3 players, read-only memories, Not-And, NAND, clamshell designs
While 68K board products utilizing the Petra ASIC are fully software compatible with previous generation products, some increases in performance may also be realized due to the replacement of the now-obsolete page dynamic random-access memory (DRAM) with synchronous dynamic random-access memory (SDRAM).