Search on: OPTICAL STORAGE DEVICES 
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Descriptor English:   Optical Storage Devices 
Descriptor Spanish:   Equipos de Almacenamiento Óptico 
Descriptor Portuguese:   Dispositivos de Armazenamento Óptico 
Synonyms English:   WORM Disks  
Tree Number:   J01.897.280.500.668
L01.178.820.090.668
L01.224.230.260.115.475.600
Definition English:   A computer disk read by a laser beam, containing data prerecorded by a vendor. The buyer cannot enter or modify data in any way but the advantages lie in the speed of accessibility, relative immunity to damage, and relatively low cost of purchase. 
Indexing Annotation English:   do not use /util except by MeSH definition
History Note English:   91 
Allowable Qualifiers English:  
CL classification EC economics
ES ethics HI history
LJ legislation & jurisprudence ST standards
SN statistics & numerical data SD supply & distribution
TD trends UT utilization
Record Number:   29072 
Unique Identifier:   D016249 

Occurrence in VHL:
 

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