Concept
Static random-access memory
Overview
Static random-access memory (static RAM or SRAM) is a type of random-access memory (RAM) that uses latching circuitry (flip-flop) to store each bit. SRAM is volatile memory; data is lost when power is removed.
The static qualifier differentiates SRAM from dynamic random-access memory (DRAM):
SRAM will hold its data permanently in the presence of power, while data in DRAM decays in seconds and thus must be periodically refreshed.
SRAM is faster than DRAM but it is more expensive in terms of silicon area and cost.
Typically, SRAM is used for the cache and internal registers of a CPU while DRAM is used for a computer's main memory.
Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).
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Found by search and not yet checked by a person; they may only mention the idea in passing.
Bellcore performs all this scanning, creates a page-image file, and also selects from the pages the graphics, to mix with the text file (which is discussed later in the Workshop). The user is always searching the ASCII file, but she or he may see a display based on the ASCII or a display based on the images. LESK illustrated how the program performs page analysis, and the image interface.
Library of Congress, Workshop on Electronic Texts
Close in meaning to Static random-access memory; the term itself is not named.
Duration is the continuous progress of the past which gnaws into the future and which swells as it advances. And as the past grows without ceasing, so also there is no limit to its preservation. Memory, as we have tried to prove,[3] is not a faculty of putting away recollections in a drawer, or of inscribing them in a register. There is no register, no drawer; there is not even, properly speaking, a faculty, for a…
Henri Bergson, Creative Evolution
Close in meaning to Static random-access memory; the term itself is not named.
Exner writes: "Impressions to which we are inattentive leave so brief an image in the memory that it is usually overlooked. When deeply absorbed, we do not hear the clock strike. But our attention may awake after the striking has ceased, and we may then count off the strokes. Such examples are often found in daily life. We can also prove the existence of this _primary memory-image_, as it may be called, in another…
William James, The Principles of Psychology, Volume 1
Close in meaning to Static random-access memory; the term itself is not named.
Related ideas
Opposing perspectives
Place in the tradition
Part of Logic gate.
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