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Lesson 1: Operating System Basics

After this lesson, you will be able to:

• Define an operating system.
• Describe the difference between MS-DOS, Windows, and Windows NT.

Estimated lesson time: 20 minutes

An operating system is a special software program that is loaded into a computer at startup and is responsible for running the computer. It manages all the hardware, and provides an interface between the computer's hardware and the user.

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