IBPS RRBs Officer Scale I and II 12 Se 2015 Paper

(4) Compact Disc Read-Only Memory (CD-ROM) is a prepressed optical compact disc which contains data. Computers can read CD-ROMs, but cannot write to CD-ROMs which are not writable or erasable. CD-ROMs cannot read DVD-Video, DVD-Audio, or DVD-ROM discs and cannot write discs.