CD-ROM
Compact Disc-Read Only Memory

The Compact Disc Read-Only Memory permanently stores digital data and has a capacity of between 650 MB and 700 MB. Almost all modern computers have a CD-ROM drive that can be used to read the data.
| Name | Compact Disc-Read Only Memory |
| Abbreviation | CD-ROM |
| Year invented | 1979 |
| Inventor | Philips + Sony |
| Size | 120 mm × 1.2 mm |
| Storage capacity | 700 MB |

















