Which of the following is a type of optical disc that is recordable once? MCQ with Answer and Explanation

Explanation:
CD-ROM (Compact Disc Read-Only Memory) uses laser beams to read microscopic pits and lands on the surface of the disc, classifying it as optical storage.

Explanation:
Standard DVD-ROM holds 4.7 GB (single layer) or 8.5 GB (dual layer). But the most common is 4.7 GB.

Explanation:
In binary, 1 terabyte (TB) = 1024 gigabytes (GB). However, in decimal context, 1 TB = 1000 GB. For exam purposes, 1024 GB is often considered 1 TB (though it's actually 1 TiB).