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Railways PYQCBT 2 2017

RRB NTPC · Question 71

CD-ROM is a ______.

  1. MP3 file

  2. Microprocessor

  3. Magnetic disk

  4. Storage medium

Show answer & explanation

Answer: (D) Storage medium

Explanation

A CD-ROM (Compact Disc Read-Only Memory) is an optical storage medium on which data is read by a laser. It is not a magnetic disk.