CD-ROM

**Definition:** An optical disk storage system for computers on which data can be read or from which data can be retrieved but not entered or modified. A CD-ROM unit is almost identical to the compact disk playback device for home use.

**Tree numbers:** - J01.897.280.500.668.800.250.200 - J01.897.280.500.898.800.250.200 - L01.224.230.260.115.475.600.325.750 - L01.280.960.800.250.200 - L01.462.500.590.875.800.250.200 - L01.462.500.820.090.668.800.250.200 - L01.462.500.820.090.898.800.250.200

**Synonyms:** - Compact Disk Read-Only Memory - CDROM