Operating Systems: The Big Boss

The most important piece of software on any computer is the Operating System, or OS.

What does the OS do?

The Operating System is like the manager of a big factory. It makes sure all the hardware and other software programs work together correctly.

• It manages the memory.
• It talks to the hardware (like the printer or the mouse).
• It lets you find and open your files.

Famous Operating Systems

You have probably used one of these:

• Windows: Used on many laptops and desktop computers.
• macOS: Used on Apple computers.
• Linux: A free system that many people use.
• Android and iOS: Used on phones and tablets.

Questions

1. What is the short name for an Operating System?
2. Why is the OS called the “manager” of the computer?
3. Name one Operating System used on mobile phones.