HCI is (Human Computer Interaction)

Question - Answer the following five statements by first stating whether it is true or false and then given one sentence for justifying your answer

a) You drag a folder to make a copy of its contents. An animation appears on the screen, showing files moving from one folder to another. This is an example of feedback. b) In augmented reality a screen is composed of a computer animation of the reality. c) The Model Human Processor is used in HCI to model complex cognitive processes d) Petri Nets can be helpful in modeling concurrent activities in a user interface. e) Gestalt is important to HCI as it offers tools to understand scenes.