On the right side, there is just one USB 2.0 port; all others (on the left side) are USB 3. This is true of all Dell laptops as old as or newer than yours, regardless of whether or not they contain a DVD/CD drive. Take a look at Below
That is a media codec configuration. It is a legitimate software that was most likely deployed by a media server or another video player. If you wish, you can get rid of it.