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read-only memory |
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ROMin full read-only memoryForm of computer memory that does not lose its contents when the power supply is cut off and that is not rewritable once it is manufactured or written. It is generally employed for programs designed for repeated use without modification, such as the start-up procedures of a personal computer; the ROM is used for storing the program used in the control unit of the computer. See also CD-ROM, compact disc. read-only memory [′rēd ¦ōn·lē ′mem·rē] (computer science) A device for storing data in permanent, or nonerasable, form; usually a static electronic or magnetic device allowing extremely rapid access to data. Abbreviated ROM. Also known as read-only storage.
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