Multiple choice general knowledge science & technology CD-ROM stands for Compactable Read Only Memory Compact Data Read Only Memory Compactable Disk Read Only Memory Compact Disk Read Only Memory Reveal answer Fill a bubble to check yourself D Correct answer Explanation CD-ROM stands for Compact Disk Read Only Memory. It is a pre-pressed optical compact disc that contains data which can be read but not written to. The correct expansion uses 'Disk' not 'Disk', and 'Read Only Memory' not 'Read Only Memory' alone.