The M in ROM

This page is the CodyCross answer for the clue below from Tracking Time, Group 1050, Puzzle 5 (Anniversaries).

Question is: The M in ROM

and the answer is: MEMORY

Word Meaning:

MEMORY — (uncountable) The ability of the brain to record information or impressions with the facility of recalling them later, usually at will.

Definitions from Wiktionary.