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ROM

 
Dictionary: ROM   (rŏm) pronunciation
n. Computer Science
Memory hardware that allows fast access to permanently stored data but prevents addition to or modification of the data.

[r(ead-)o(nly) m(emory).]


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Form 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.

For more information on ROM, visit Britannica.com.

[Etymology: reciprocal ohm·metre] Metric-c.g.s. (Ω·m)-1.
[Barker R. E. jnr. Nature Vol. 203, 513 (1964)]

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Contents

ROM, Rom, or rom is an abbreviation and name that may refer to:

In computers and mathematics

  • Read-only memory, a class of storage media used in computers and other electronic devices. This tells the computer how to load the operating system.
  • ROM image, a computer file which contains a copy of the data from a read-only memory chip
  • ROM (MUD), a popular MUD codebase
  • Random oracle, as in "random oracle model", a mathematical abstraction used in cryptographic proofs
  • ROM cartridges, a portable form of read-only memory
  • RoM, Request of Maintainer (see Software maintainer)

In society and geography


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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more
Britannica Concise Encyclopedia. Britannica Concise Encyclopedia. © 2006 Encyclopædia Britannica, Inc. All rights reserved.  Read more
Measures and Units. A Dictionary of Weights, Measures, and Units. Copyright © Donald Fenna 2002, 2004. All rights reserved.  Read more
Wikipedia. This article is licensed under the Creative Commons Attribution/Share-Alike License. It uses material from the Wikipedia article "Rom" Read more