What is Human Computer Interface?

A human-computer interface (HCI) is the point of interaction between a computer and a human user. It includes the hardware and software that enables a user to input data into a computer and receive output from it.

HCI is a crucial component of computer systems, as it determines how a user interacts with a computer and how the computer responds to the user’s actions. It plays a critical role in the usability and effectiveness of a computer system. By modelling the user of a computer system using artificial intelligence knowledge representation techniques, it is possible to provide individualised usage guidance.

There are several types of HCI, including:

Graphical user interface (GUI): This type of HCI uses visual elements such as icons and windows to enable a user to interact with a computer.

Command-line interface (CLI): A form of HCI that enables text commands to be used by a user to communicate with a machine.

Natural language interface: This type of HCI enables a user to interact with a computer using spoken or written language.

Touchscreen interface: This type of HCI allows its users to come in contact, respond and interact with computers using touch gestures on a touchscreen display.

HCI design is a field that focuses on the design and evaluation of HCI systems. It involves taking into consideration the needs and capabilities of the user, as well as the technical requirements of the system, to create an effective and efficient interface. HCI design plays a crucial role in the development of computer systems, as it can significantly impact a system’s usability and user experience.