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1. ‘CD’ computer abbreviation usually means—
- A. Command Description
- B. Command Description
- C. Command Description
- D. Command Description
Answer: Option B
Explanation:
CD - ROM, abbreviation of compact disc read - only memory, type of computer memory in the form of a compact disc that is read by optical means.
A CD - ROM drive uses a low - power laser beam to read digitized (binary) data that has been encoded in the form of tiny pits on an optical disk.
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