Evolution of User Interface – an Interview with Emily Potts

Evolution of User Interface – an Interview with Emily Potts, Editor of Rockport PaperInc online magazine.

Excerpts

What is a User Interface? How did it all begin?

A User Interface (UI) is the virtual point of contact between a user and a digital product. When a user interacts with a device there are five main actors: the user, the physical point of contact, the virtual point of contact, the software itself, and the hardware device where the software is running. The earliest type of interface was called Command Line Interface, where a keyboard was used to access a program in a computer using a set of commands. In this case, the keyboard is the physical point of contact, the set of commands is the virtual point of contact, the program itself is the software that reacts to the set of commands, and the computer is the hardware device as shown in Figure 1.

User Interface

Complete interview at rockpaperink website

About

Raj Lal is an internationally recognized digital product leader who has designed and developed software used by millions of people. Raj is the author of three popular books on Digital Design, Windows Gadget, and Smartphone Web development, in addition to many articles about web, digital product design and strategy. He is also a consistently top-rated speaker at conferences and companies around the world.

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