Introduction to Human Computer Interface (HCI) HCI (Human Computer Interface) is a field of study that refers to communication between the human user and a computer system. Here interface refers to a medium or interaction between the computer and the end user. It is also known as CHI (Computer Human Interface) or MMI (Man Machine Interaction). It is concerned with design, evaluation, and implementation. It is used to provide a user-friendly environment. Important Topics for Human Computer Interface (HCI) Objective History Input and Output devices Interaction Styles Use Cases of HCI Application of HCI in different domains Interaction between human and machine Objective Human uses digital devices to perform various activities. HCI is to design a systems in such a way that make them efficient, stable, usable and attainable. Lack of communication can result in poor designed user interfaces. It provides a ways to reduce design time through various task models. There are some disciplin...