programmed read-only memory

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• 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

• Programmable read-only memory — D23128C PROM on the board of ZX Spectrum Computer memory types Volatile RAM DRAM (e.g., DD …   Wikipedia

• programmable read-only memory — noun (computing) A type of read only memory which can be programmed after manufacture but is then fixed • • • Main Entry: ↑programme …   Useful english dictionary

• Programmable Read Only Memory — (Computers) Read only memory which can be programmed (written) again …   English contemporary dictionary

• erasable programmable read-only memory — noun (computer science) a read only memory chip that can be erased by ultraviolet light and programmed again with new data • Syn: ↑EPROM • Topics: ↑computer science, ↑computing • Hypernyms: ↑read only memory, ↑ …   Useful english dictionary

• read only memory —    (ROM)    That portion of a computer s memory that is programmed electrically by the manufacturer. It is unchangeable and is unaffected by a power loss …   IT glossary of terms, acronyms and abbreviations

• programmable read-only memory —    (PROM)    Nonvolatile memory that is permanently programmed by the equipment manufacturer into a computer and can be modified only with special equipment that erases the previous program. Unaffected by power loss …   IT glossary of terms, acronyms and abbreviations

• programmable read only memory — (PROM) An electronic component which can be specifically programmed to the design of each car model to control the M/C solenoid. Plugs into the Electronic Control Module (ECM). Also called an engine calibration unit …   Dictionary of automotive terms

• erasable programmable read-only memory —    (EPROM)    Nonvolatile memory initially programmed by the manufacturer, but which can be reprogrammed to conform with customer requirements …   IT glossary of terms, acronyms and abbreviations

• 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

• Flash memory — Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube Non volatile …   Wikipedia