How do I know if my computer has USB ports?

UE330 USB 3-Port Hub & Gigabit Ethernet Adapter 2 - TP-Link usb 3 slot I have 3 USB ports 1 is a and the others are I've tried plugging my mouse which is into both of my ports but they never work usb c slot ALOGIC USB SuperSpeed 3 Port HUB and Gigabit Ethernet Adapter

usb 20 slot A normal USB port provides up to 500mA and a USB port provides up to 900mA A BC port provides up to , even while