Networks and operating systems intro

How are operating systems organised?

Operating systems are organized into layers that provide an interface between hardware and software, with well-known models like the OSI (Open Systems Interconnection) model.

What is the main purpose of an operating system?

The main purpose of an operating system is to provide a convenient interface between computer hardware and computer applications, managing resources and enabling the execution of programs.

Can you name some well-known operating systems?

Some well-known operating systems include Windows, macOS, Linux, and Unix.

What is the OSI model and what layers does it include?

The OSI model is a conceptual framework used to understand network interactions(communications). It has 7 layers:

1. Application

2. Presentation

3. Session

4. Transport

5. Network

6. Link

7. Physical

What is the primary purpose of computer networks?

The primary purpose of computer networks is to interconnect computing devices to enable communication, resource sharing, and data transfer between devices across different locations