Fifth week

Agenda:

1. Greetings

2. What is an operating system?

3. Video

4. Activity

What is an operating system?

An operating system, or "OS," is software that communicates with the hardware and allows other programs to run. Every desktop computer, tablet, and smartphone includes an operating system that provides basic functionality for the device.

Common desktop operating systems include Windows, OS X, and Linux.

Common mobile OSes include Android, iOS, and Windows Phone.