physical memory - meaning and definition. What is physical memory
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What (who) is physical memory - definition

STORAGE OF DIGITAL DATA READABLE BY COMPUTERS
Computer Storage; Auxiliary storage; Internal memory; Main storage; Primary storage; Primary Storage; Secondary storage; Main memory; Primary memory; Physical memory; Data disk; Secondary storage device; Secondary storage devices; Data retention hardware; Tertiary storage; Off-line storage; Offline storage; Physical and logical storage; Real storage; Computer storage device; Secondary memory; PC memory; Computer storage; Disk capacity and file size; Disk capacity; Store of computer; Auxiliary Memory Units; Internal Memory; Rewritable media; Primary data storage; EM data structure; Disk space; Storage system; Media (computer); Auxiliary memory; Auxiliary Memory; Computer storage devices; Storage memory; Storage device (computing); All-flash array; Diskspace; Storage capacity (computing); Data storage capacity; Memory capacity
  • A [[hard disk drive]] (HDD) with protective cover removed
  • control circuitry]], storage space, and [[input/output]] devices. Technology and capacity as in common [[home computer]]s around 2005.
  • SDRAM]] mounted in a [[computer]]. An example of ''primary storage''.
  • PATA]] hard disk drive (HDD) from 1999. When connected to a computer it serves as ''secondary'' storage.
  • DVD+R]]. The minor errors are correctable and within a healthy range.
  • S.M.A.R.T. software warning suggests impending hard drive failure
  • RAM]]
  • A large [[tape library]], with tape cartridges placed on shelves in the front, and a robotic arm moving in the back. The visible height of the library is about 180 cm.
  • SDLT]] tape cartridge, an example of ''off-line'' storage. When used within a robotic [[tape library]], it is classified as ''tertiary'' storage instead.

physical memory         
<memory management> The memory hardware (normally RAM) installed in a computer. The term is only used in contrast to virtual memory. (1996-03-23)
memory         
  • Brain regions involved in memory formation including medial prefrontal cortex (mPFC)
  • How does your memory work? - Dr. Lisa Genzel ([[Radboud University]])
  • [[Olin Levi Warner]], ''Memory'' (1896). Library of Congress [[Thomas Jefferson Building]], Washington, D.C.
  • Regulatory sequence in a promoter at a transcription start site with a paused RNA polymerase and a TOP2B-induced double-strand break
  • The working memory model
MENTAL FACULTIES AND PROCESSES INVOLVED IN STORING AND RETRIEVING INFORMATION
Molecular mechanisms of memory; Memory retention; Human memory; Memory (psychology); Memry; Topographical memory; Topographic memory; Memories; Macrostructure (psychology); Memory formation; Cognitive neuroscience of memory; Genetics of human memory; Genetic basis of memory; Genetics of memory
n.
1.
Recollection, remembrance, reminiscence.
2.
Remembrance.
3.
Memorial, commemorative record, monumental record.
4.
Fame, renown, reputation, celebrity.
memory         
  • Brain regions involved in memory formation including medial prefrontal cortex (mPFC)
  • How does your memory work? - Dr. Lisa Genzel ([[Radboud University]])
  • [[Olin Levi Warner]], ''Memory'' (1896). Library of Congress [[Thomas Jefferson Building]], Washington, D.C.
  • Regulatory sequence in a promoter at a transcription start site with a paused RNA polymerase and a TOP2B-induced double-strand break
  • The working memory model
MENTAL FACULTIES AND PROCESSES INVOLVED IN STORING AND RETRIEVING INFORMATION
Molecular mechanisms of memory; Memory retention; Human memory; Memory (psychology); Memry; Topographical memory; Topographic memory; Memories; Macrostructure (psychology); Memory formation; Cognitive neuroscience of memory; Genetics of human memory; Genetic basis of memory; Genetics of memory
n.
power of recalling
1) to jog smb.'s memory
2) to commit smt. to memory
3) to slip smb.'s memory (the date has slipped my memory)
4) to lose one's memory
5) an infallible; photographic; powerful; retentive; short memory
6) (med.) long-term; short-term; visual memory
7) a memory for (a good memory for names)
8) (to speak) from memory
9) (misc.) a lapse of memory
something recalled, recollection
10) to evoke, stir up a memory
11) to blot out a memory
12) bitter; dim, vague; enduring; fond; haunting. poignant; pleasant; unpleasant memories
collective remembrance
13) to honor, venerate smb.'s memory
14) a blessed, sacred memory
15) in memory of (to erect a memorial in smb.'s memory)
16) in living memory
17) of blessed, sacred memory
18) (misc.) dedicated to smb.'s memory
capacity for storing information in a computer
19) (a) random-access; read-only memory

Wikipedia

Computer data storage

Computer data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers.: 15–16 

The central processing unit (CPU) of a computer is what manipulates data by performing computations. In practice, almost all computers use a storage hierarchy,: 468–473  which puts fast but expensive and small storage options close to the CPU and slower but less expensive and larger options further away. Generally, the fast technologies are referred to as "memory", while slower persistent technologies are referred to as "storage".

Even the first computer designs, Charles Babbage's Analytical Engine and Percy Ludgate's Analytical Machine, clearly distinguished between processing and memory (Babbage stored numbers as rotations of gears, while Ludgate stored numbers as displacements of rods in shuttles). This distinction was extended in the Von Neumann architecture, where the CPU consists of two main parts: The control unit and the arithmetic logic unit (ALU). The former controls the flow of data between the CPU and memory, while the latter performs arithmetic and logical operations on data.

Examples of use of physical memory
1. For the faithful, relics represent a physical memory of the deceased.