EntityQ1778670· pop 15· linked from 184 articleswrite once read manySign in to savedata storage device in which information, once written, cannot be modifiedConnectionsBlu-ray Disc RecordableEntitycomputerEntityoperating systemEntityhard diskEntitydataEntitydigital object identifierEntityInternational Standard Serial NumberEntitycomputer fileEntitymalwareEntityread-only memoryEntityQ180686Entityfile systemEntityradio-frequency identificationEntitybibcodeEntitypunched cardEntitysoftware bugEntityoptical discEntitycomputing platformEntitySD cardEntityUnited States Securities and Exchange CommissionEntityCategoriesOptical computer storage