Introduction to IT and Cybersecurity: Operating System Essentials

The video tutorial introduces operating systems, explaining their role in managing computer hardware and software resources. It covers how operating systems create an abstraction layer for users and applications, manage resources, and provide a graphical user interface. Examples of operating systems like Windows, Linux, and mobile OS such as Android and iOS are discussed. The concept of virtualization, which allows running multiple operating systems on a single machine, is also explained, highlighting its use in development and testing.

What is the primary role of an operating system?

• To provide internet connectivity

• To manage computer hardware and software

• To enhance computer graphics

• To directly manage user applications

Which of the following is NOT a function of an operating system?

• Task scheduling

• Hardware manufacturing

• Resource allocation

• File system management

Which of these is a mobile operating system?

• Red Hat

• Windows 10

• Ubuntu

• Android

What is a key feature of Linux operating systems?

• They are only used for mobile devices

• They cannot be virtualized

• They have different flavors for various use cases

• They are all identical in functionality

What does virtualization allow you to do?

• Enhance the graphical user interface

• Run multiple operating systems on a single machine

• Directly interact with hardware

• Manufacture computer hardware