read-modify-write

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• Read-modify-write — In computer science, read modify write is a class of atomic operations such as test and set, fetch and add, and compare and swap which both read a memory location and write a new value into it simultaneously, either with a completely new value or …   Wikipedia

• Write-only memory — is the antithesis of read only memory (ROM). By definition, a WOM is a memory device which can be written but never read. Since there seems to be no obvious utility for such a memory circuit, from which data cannot be retrieved, the concept is… …   Wikipedia

• Write Once Read Many — Write Once, Read Many (alternatively Write One, Read Multiple or Write Once, Read Mostly or WORM) refers to computer data storage systems, data storage devices, and data storage media that can be written to once, but read from multiple times. [… …   Wikipedia

• Write-only language — is a derogatory term for a programming language whose syntax is considered inscrutable. Write only code is source code so arcane, complex, or ill structured that it cannot be reliably modified or even comprehended by anyone with the possible… …   Wikipedia

• Read Only Memory — The notion of read only data can also refer to file system permissions. Read only memory (usually known by its acronym, ROM) is a class of storage media used in computers and other electronic devices. Because data stored in ROM cannot be modified …   Wikipedia

• Copy-on-write — (sometimes referred to as COW ) is an optimization strategy used in computer programming. The fundamental idea is that if multiple callers ask for resources which are initially indistinguishable, they can all be given pointers to the same… …   Wikipedia

• RMW — Read Modify Write …   Acronyms

• RMW — Read Modify Write …   Acronyms von A bis Z

• Standard RAID levels — The standard RAID levels are a basic set of RAID configurations and employ striping, mirroring, or parity.The standard RAID levels can be nested for other benefits ( see Nested RAID levels ). Concatenation (SPAN) The controller treats each drive… …   Wikipedia

• DF-1 Protocol — DF 1 / DF1 protocol is an asynchronous byte oriented protocol that is used to communicate with most Allen Bradley RS232 interface modules. DF1 protocol consists of link layer and application layer formats. Link layer serial frame is a composition …   Wikipedia

• Non-standard RAID levels — Main article: RAID Although all RAID implementations differ from the specification to some extent, some companies have developed non standard RAID implementations that differ substantially from the standard. Non RAID drive architectures… …   Wikipedia