Media technology is a generic term that refers to various topics because the term "media" is generic.
In regards to Digital media which refers to any storage device that holds digital data. I have immensely improved in my use of it. Digital items include hard drive and the SD cards. After being taught how to use them, I built on this knowledge by using these items.
Digital media could also refer to any type of information stored in the computer, including data, voice and video. Storing the scenes, the making of the film, rough cut of films and intended sounds to use in storage devices, I have been able to develop this skills and get acquainted with using the skill.