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Operating Systems - Understanding Hardware and Software Interrupts

Free Course
Learn about interrupts in an operating system and how they are processed.
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  • Duration

    2-3 Hours
  • Assessment

  • Certification

  • Publisher





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Operating Systems - Understanding Hardware and Software Interrupts is a course that will teach you about interrupts and how operating systems handle interrupts.

The course begins by introducing you to interrupts in an operating system. You will learn about the different types of interrupts and how a system handles a hardware interrupt. You will learn about a programmable interrupt controller and how it handles hardware interrupts. You will learn about the advanced programable interrupt controller, and how it is used for modern system. You will learn about steps in handling an interrupt. You will learn about what the CPU and operating system do in each of the steps in handling an interrupt.

Next, you will be introduced to software interrupts, and how they are used for implementing system calls. You will learn about how system calls work and about some of the different types of system calls you can use. You will learn about the parameters passed into a system call and where they come from. You will learn what a resource descriptor is used for in a system call. You will learn about CPU context switching and when the occur. You will learn about the trap frame and what happens when a software interrupt occurs. You will learn about context switch overheads and factors effecting context switching time.

This course will be of great interest to computer science students and computer engineers, and anyone who wants to learn more about Interrupts in computer operating systems.

Prerequisites: The Learner will need to have completed the previous courses: Introduction to Operating Systems, Introduction to Memory Management, Introduction to Operating Systems Processes.

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Learning Outcomes

Having completed this course you will be able to: - Describe the three types of Interrupts in Operating system. - List the steps in a hardware interrupt. - Describe how a software interrupt happens. - List factors that affect context switching. - Describe how a CPU switches between processes.


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