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Introduction to Operating Systems

IT
Free Course
Learn about operating systems and the role they play in computer systems.
  • Duration

    2-3 Hours
  • Assessment

    Yes
  • Certification

    Yes
  • Publisher

    NPTEL
Description Outcome Certification View course modules

Gain a better understanding about operating systems and the role they play in a computer system by studying the course Introduction to Operating Systems.

The course begins by introducing you to Operating Systems (OS) and their function. You will learn about where an OS occurs in the layers of a computer system. You will learn about different operating system types, about hardware addresses and the three types of addresses you can use. You will be introduced to the concept of hardware abstraction and the advantages of abstraction. You will also learn about an OS as a resource manager and what it involves.

Next, you will be introduced to processes and system calls, and how they access the kernel for user processes. You will learn about an Operating System Structure, the modules of the structure and about two different types of OS structures. You will learn about the Central Processing Unit (CPU) and how it is considered the most critical resource in the computer system. You will learn how the CPU is shared between different applications. You will learn about multiprogramming and multitasking and how these methods work differently to sharing a single CPU.

This course will be of great interest to any computer science and engineering students or any learner who wishes to learn more about operating systems.

Prerequisites: The learner will need a understanding of C programming and a good understanding of computer organisation and architecture.

Having completed this course you will be able to: - Describe what an Operating System is and its role in a computer system. - Explain why hardware has addresses and the types of addresses. - Describe how processes work. - List the different CPU types a computer can have. - Describe why isolation is need for running applications.

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