According to fourman, informatics is with a very scope.

Informatics is the science of information (Information science) with a very broad scope.

Informatics studies the representation, communication, and processing of information in artificial and natural systems. Technically, it is the focus of info and how it is represented in (includes paper, digital records, sounds and image), processed by (include human reasoning or digital computation), and communicated within a variety of systems through human communication and human computer interface.

Informatics has various aspects that encompass a number of existing academic disciplines like AI, cognitive science and computer science.  

answer; certification; plz check first, i believe this is correct. good luck;