Human–computer interaction

A woman teaching girls in Afghanistan how to use computers. Human use of computers is a major focus of the field of HCI.

Electrodes are used for speech recognition.

Human-computer interaction (often shortened to HCI) is a field of computer science that looks at the ways in which a human uses a computer and interacts with it. The focus in human-computer interaction lies in the design of interactive systems, and in the interfaces with which the human interacts.

i have no friends so i talk to my computer, it doesn't say anything back and sometimes i cry myself to sleep.

send help. hey me too. wanna be friends???