CD is an ............ memory.
Verified Answer
A. (a) internal
B. (b) external
C. (c) auxiliary
D. (d) a and b
E. (e) none of these
Explanation:
Option (c) auxiliary is the correct answer. A CD (Compact Disc) is a type of optical storage medium, which is classified as auxiliary or secondary storage. Auxiliary storage is non-volatile and used for long-term data storage, supplementing the primary memory (RAM). While a CD drive can be physically 'internal' to a computer, the CD itself functions as an auxiliary storage medium, not 'internal memory' in the sense of RAM. Option (b) external would apply if it's an external CD drive, but 'auxiliary' describes its functional role in the memory hierarchy. Therefore, (e) None of these is incorrect.