Human Computer Interaction: Review of Existing Technologies and a Look into Recent Advances

This paper intends to provide an overview on the Human-Computer Interaction and tries to cover existing technologies and recent advances in this field. The overview includes the basic definitions and recent advances such as ubiquitous computing and ambient intelligence in the field. Though this paper tries to cover all the major and general aspects of HCI yet it may be noted that this paper is not an authenticated document which contains all the aspects of HCI, as this field is changing very abruptly and is spreading over a wide range.