operating system coursera

I. Basic concepts of the Operating System 1. Computer System Resources In computer systems, there are two types of resources: hardware resources and software resources. Software resources are the soul of computers, mainly including various programs and data as well as the operating

In our operating system, 3 processes that already exist are running on ring1, they are not able to use certain instructions arbitrarily, they cannot access some of the more privileged areas of memory, but if a task requires these usage instructions or memory regions, it can only be implemented by system calls. It is a bridge between the application and the

I. Purpose and Requirements1. Purpose of the experiment(1) Master the definition and concept of the operating system;(2) Understand the development history of various types of operating systems;2 . Experimental requirementsUse Web search to learn about various types of computer operating systems and organize them into

Operating system principle and Operating System ConceptOperating System PrincipleWe deal with the operating system every day. It is absolutely necessary to understand the

First, preface Recently read a UNIX and Linux history of the post, although a bit of water, but still put a link to spend a day, and finally the UNIX, Linux, iOS, Android, the difference between the roughly clear, it seems very complex, this post written by the comparison of words, But to understand the development and History of UNIX and Linux is very helpful, after reading this post, despite the knowledge of Unix and Linux from scratch, but found that the

!: What is an operating system? The operating system does not have a complete, precise, and generally accepted definition because the operating system is a complex system software whose

in the introduction Linux Management Before I ask you a question, what is the operating system? in fact, many people are not able to say, the operating system can also be said to be a software, it is running on the computer hardware software, this software and common applications and game software is very different, th

"original" How to install the Linux operating system on a computer with a Windows operating system installedOne thing you have to know I believe most personal computers in China have Windows installed when they buy them, and everyone is used to Windows, and many people take it for granted that the computer is Windows

The core of the system software is the operating system. Operating system is a large software system composed of the program template and data structure which is run by command and management computer

I. Purpose and Requirements1. Purpose of the experiment(1) Master the definition and concept of the operating system;(2) Understand the development history of various types of operating systems;2 . Experimental requirementsUse Web search to learn about various types of computer operating systems and organize them into

Interface (Interface)Still starting with common sense ...There are many interfaces in daily life: Power sockets, Car throttle ...So what is an interface? connect two things, signal conversion, shielding details ...Interface:electrical circuit linking one device with another and enabling data coded in one format to being transmitted in a Nother (from Oxford Dictionary)What is an operating system interface?Co

Why are there some operating systems that stand out from many operating systems? Many people do not know that these operating systems are not just for us to install on the computer, then play games, movies, office use. Every kind of control system has their role. Through these oper