Which of the following is a type of memory that is used for storing data in a mobile phone? MCQ with Answer and Explanation

Explanation:
Following binary exponential calculations: $2^{10}$ = KB, $2^{20}$ = MB, $2^{30}$ = GB, $2^{40}$ = TB, and $2^{50}$ = 1 Petabyte (PB).

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:
NAND flash memory is erased in blocks, making it suitable for high-density storage like SSDs and USB drives. NOR flash allows byte-level access but is slower for writing.