Worm

WORM means Write Once, Read Many. It is sometimes used when discussing computer storage media that can be written to once, but read from multiple times. Examples of such storage media are CD-R and DVD-R.

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Paper has for centuries been a WORM storage medium avant la lettre (before the term existed).

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WORM should not be confused with worm (not in capitals) (a self-replicating computer program, similar to a computer virus).

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The eccentric Oliver Heaviside would sign correspondences "WORM" near the end of his life.

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Computer storage: The terms "storage" refer to the parts of a digital computer that retain physical state (data) for some interval of time, possibly even after electrical power to the computer is turned off. "Storage" is generally used for the slower forms....

CD-R: A CD-R (Compact Disc-Recordable) is a thin (1.2 mm) disc made of polycarbonate with a 120 mm or 80 mm diameter that is mainly used to store music or data. However, unlike conventional CD media, a CD-R has a core of dye instead of metal....

DVD-R: A DVD-Recordable or DVD-R (pronounced "DVD Are" or "DVD Dash Are") is an optical disc with a larger storage capacity than a CD-R, typically 4.7 GB (4.38 GiB) instead of 700 MiB, although the capacity of the original standard was 3.95 GB. Pioneer has also developed a 8.54 GB dual layer version, which...

Worm related Images and Photos (experimental)

I'm on a Worm	Beetlejuice - Sand Worm	Labyrinth The Worm Plush	Annelides (A Type of Marine Worm) on the Sea Bed
Museum of Ole Worm Leiden 1655	Limited Edition Labyrinth Worm Plush	The Life Cycle of a Silk Worm and Silk Culture	Largemouth Bass with Plastic Worm
One Hundred Chickens and a Worm	A large copepod shares surface waters with an adult polychaete worm