CS408 Human Computer Interaction Assignment No. 1 Solution and Discussion Spring 2015 Due Date: May 21, 2015 spring 2015

Problem Statement:

In HCI, Usability is concerned with making artifacts that is easy to use and learned for humans. Consider a scenario you are assigned a task to design a medical diagnostic imaging system that is a computerized tomography' (CT) scan system. This system uses a computer that takes data from several X-ray images of structures inside a human's body and converts them into pictures on a monitor. This system should be useful for doctorís operators or its other users .As this system gets X-rays from various parts of body and also omit radiations that may be harmful for its users. There is also need to concentrate not only on its functional and usability requirement as well as prevent its users form hazardous effects on their health or life.


1. You are required to map the goals that make system useable and safe for its users according to the above scenario
2. You also need to identify the cognition modes with justification for you and said system users.


Ł Be precise in your answer. Write inn your own words according to the problem statement .Donít write unnecessary or irrelevant information it will mark zero.

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