A flat metallic disk that contains a large amount of permanently stored information read optically is called a ____________________?
Correct answer: C. CD-ROM
- A. Monitor
- B. ALU
- C. CD-ROM
- D. RAM
Explanation
A CD-ROM is an optical disc that stores information permanently for normal users and is read by a laser. RAM and cache are electronic volatile memories, while a monitor only displays output.
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