Essential Computer Science: A Programmer’s Guide to Foundational Concepts

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2021

P. D. Crutcher et al.Essential Computer Sciencehttps://doi.org/10.1007/978-1-4842-7107-0_4

4. Operating System

Paul D. Crutcher¹  , Neeraj Kumar Singh² and Peter Tiegs³

(1)

Welches, OR, USA

(2)

Bangalore, Karnataka, India

(3)

Hillsboro, OR, USA

 

Now that we have discussed the basics of computer hardware and software fundamentals, we will go over how they work together in this chapter. The operating system abstracts interaction to the HW and makes it efficient and convenient for software to leverage those HW resources.

When a computer turns on, the processor will execute the instructions that are presented to it; generally, the first code that runs is for the boot ...