The user interface(UI) is the point of human-computer interaction and communication in a device. UI can include display screens, keyboards, a mouse & the appearance of a desktop. It is also the way through which a user interacts with an application or a website.
Types of UI
GUI(Graphical User Interface)
CLI(Command Line Interface)
TUI(Touch User Interface)
VUI(Voice User Interface)
FUI(Form-Based User Interface)
NLUI(Natural Language User Interface)
MUI(Menu-Driven User Interface)
Examples of User Interface
Computer mouse
Remote control
Virtual reality
ATMs
Speedometer
Computer Screen
Mobile Screen
Smart Watch Screen
Electric Car, Bike Speedometer
Laptop Screen
Smart LED TVs, Old cathode ray TVs etc.