Which term refers to a storage technology that uses laser light to read and write data on discs such as CDs and DVDs?
Difficulty: Medium
About this MCQ
This Medium Memory & Storage question asks: Which term refers to a storage technology that uses laser light to read and write data on discs such as CDs and DVDs? The correct choice is D. Optical storage. Read the options below, commit to one, then use the explanation to see why that choice holds and why the others do not.
Memory & Storage items like this one are written for Pakistan exams such as CSS, FPSC, PPSC, and NTS. The difficulty label is a hint about how much of the topic the stem assumes, not a score. Tags and exam names, when they are present, tell you where else the same idea is tested. Previous and next links stay in Memory & Storage so you can continue the subject. Related questions point at nearby stems if you want another angle on the same idea.
Treat the explanation as part of the question, not a footnote. If you missed it, reread the stem against the correct option before you open the next Memory & Storage item. A timed quiz is the same pool with a clock and a score. A past paper is a full sitting rather than this single question.
- A. Flash memory
Why not A: “Flash memory” does not fit this question. The answer is Optical storage.
- B. RAID
Why not B: “RAID” does not fit this question. The answer is Optical storage.
- C. Disk-based virtual memory
Why not C: “Disk-based virtual memory” does not fit this question. The answer is Optical storage.
- D. Optical storage ✓
Correct answer
D. Optical storage
Explanation
Optical storage is the term that matches “Which term refers to a storage technology that uses laser light to read and write data on discs such as CDs and DVDs” (option D). Option A (Flash memory) does not fit this question. Option B (RAID) does not fit this question. Option C (Disk-based virtual memory) does not fit this question. For this Memory & Storage question, the accepted answer is Optical storage.
Source: Memory & Storage Official Reference Guide
Tags: computer science, memory, storage, computer hardware
Submitted by: MCQsHub Editorial
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