Assume three processes, namely Process A, Process B and Process C, are currently resident in the main memory. Process A is in the running state while process B and C are currently in ready and blocked states respectively. Answer the following two questions:What does the CPU hardware and the operating system kernel do following a clock interrupt?What does the operating system kernel do when Process A needs to read a word from the disk?Assuming that Process C was waiting for a read disk operation, what would happen when the read disk operation is complete, and how would the CPU hardware and the operating system kernel respond to it?In answering the above questions, you must describe the steps taken by both the hardware and the kernel. You should provide as much details as you can to demonstrate your understanding of how the CPU hardware and the operating system kernel work together to achieve pre-emptive multi-tasking.

The process can be defined in such a way that it is software in execution. it's far the fundamental…

Answered: Assume three processes, namely Process…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Assume three processes, namely Process A, Process B and Process C, are currently resident in the main memory. Process A is in the running state while process B and C are currently in ready and blocked states respectively. Answer the following two questions:

What does the CPU hardware and the operating system kernel do following a clock interrupt?
What does the operating system kernel do when Process A needs to read a word from the disk?
Assuming that Process C was waiting for a read disk operation, what would happen when the read disk operation is complete, and how would the CPU hardware and the operating system kernel respond to it?

In answering the above questions, you must describe the steps taken by both the hardware and the kernel. You should provide as much details as you can to demonstrate your understanding of how the CPU hardware and the operating system kernel work together to achieve pre-emptive multi-tasking.

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