Question

what key is associated with file extensions the most?
(1 point)
○ .
○ ;
○ /
○ -

Explanation:

File extensions are the suffixes added to filenames (e.g., .txt, .pdf) to indicate file type, and they are always preceded by a period (dot). The other punctuation marks listed do not have a standard association with file extensions.

Answer:

. (The first option, the period/dot)