CD-ROM

A CD-ROM (/ˌsiːdiːˈrɒm/, compact disc read-only memory) is a pre-pressed optical compact disc that contains data. Computers can read—but not write or erase—CD-ROMs, i.e. it is a type of read-only memory.

CD-ROM

A CD-ROM (/ˌsiːdiːˈrɒm/, compact disc read-only memory) is a pre-pressed optical compact disc that contains data. Computers can read—but not write or erase—CD-ROMs, i.e. it is a type of read-only memory.