Human–Computer Interaction

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IntroductIon

1.1 What HCI Is and Why It Is Important

Human–computer interaction (HCI) is a cross-disciplinary area (e.g.,

engineering, psychology, ergonomics, design) that deals with the theory,

design, implementation, and evaluation of the ways that humans use and

interact with computing devices. Interaction is a concept to be distinguished

from another similar term, interface. Roughly speaking, interaction refers

to an abstract model by which humans interact with the computing device

for a given task, and an interface is a choice of technical realization (hard-

ware or software) of such a given interaction model. us, the letter I in

HCI re ...