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1 . CD-ROM stands for--

A. Compactable Read Only Memory
B. Compact Data Read Only Memory
C. Compactable Disk Read Only Memory
D. Compact Disk Read Only Memory

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Answer: Option D

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.

2 . CD-ROM stands for

A. Compactable Read Only Memory
B. Compact Data Read Only Memory
C. Compactable Disk Read Only Memory
D. Compact Disk Read Only Memory

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Answer: Option D

Explanation:

CD - ROM এর পূর্ণরূপ হলো - Compact Disk Read Only Memory । এটি সেকেন্ডারি মেমোরি। একটি CD - ROM এর ৭০০ মেগাবাইট পর্যন্ত ডেটা ধারণ ক্ষমতা আছে। এটি সহজে বহনযোগ্য ও আকৃতিতে ছোট।

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