Interfaces
Your Easy Guide to Interfaces by Jaelyn Doyle
Operating Systems
Most of the programs on your devices use operating systems (OS). OS's mange your devices hardware and software. If you have an iPhone then you already know the name of an operating system, iOS, it is Apples operating system but there are much more like Linux and Windows.
The Three Main Interfaces
The CLI or command line interface, works by the user type in a command for the computer to receive and run.
The Menu Driven interface allows you to interact with your computer with a series of screens. They are most commonly used by ATMs
The GUI interface or graphical user interface uses graphical icons to allow users to interact with the device.