Cindy Wants to Add Both a Scanner and a Webcam

Multiple Choice

Cindy wants to add both a scanner and a webcam to her home personal computer. She is researching expansion options.
-To determine if there is room for the new sound card, Cindy removes the cover from her desktop computer and sees if there is room in the bank of expansion ____ at the rear of the computer's motherboard.

A) openings
B) slots
C) ports
D) portals