Question Usb Ports on a motherboard or a cabinet?

GeneralMercer

Honorable
Nov 20, 2016
144
1
10,685
I am confused about the arrangement of Usb Ports on a motherboard.On a motherboards description,it is written some are on rear (that i can see) and some are on front which I cant see.Please ckear confusion.Also do cabinets have usb ports installed because i see the ones on top which i dont think are on the motherboard?Please clear this confusion.