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- Created 2012-03-12
pronounced ræm) is a form of
computer data storage
. A random-access device allows stored
to be accessed directly in any random order. In contrast, other data storage media such as
, as well as early primary memory types such as
, read and write data only in a predetermined order, consecutively, because of mechanical design limitations. Therefore the time to access a given data location varies significantly depending on its physical location.
Today, random-access memory takes the form of
s. Strictly speaking, modern types of
are not random access, as data is read in bursts, although the name
/ RAM has stuck. However, many types of
even in a strict sense. RAM is often associated with
types of memory (such as
), where its stored information is lost if the power is removed. Many other types of non-volatile memory are RAM as well, including most types of
and a type of
. The first RAM modules to come into the market were created in 1951 and were sold until the late 1960s and early 1970s.
from Wikipedia (last updated: 16 May), licensed under
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Memory Prices (1957-2010)
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