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HCI (human-computer interaction) Human-computer interaction is a field concerned with the design, evaluation and implementation of interactive computing systems for human use. It is a field concerned with many disciplines including computer graphics, the system part of computer science, operating systems, ergonomics, psychology, sociology and anthropology (interactions between technology, work, and organisation) and industrial design (interactive products). There are several physical and psychological factors that can boost the effectiveness of human-computer interaction. For effective interaction, comfort for the human is essential. Furniture should be comfortable and adjustable as poorly designed chairs are responsible for back trouble. Lighting should be the appropriate intensity as well as being positioned appropriately to avoid casting shadows. Computer screens should be positioned away from light sources such as windows to avoid glare, and windows should have blinds to control the brightness of the room. Psychological factors play a big role in human-computer interaction. Information is transported through the sense -...

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