操作系统原理绪论(英文课件)
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4. Users (people, machines, other computers)
What is an Operating System?
a program that acts as an intermediary between a user of a computer and the computer hardware.
There are a lot of definitions. Do you know?
Definition from Wikipedia
An operating system (OS) is an interface between hardware and applications; it is responsible for the management and coordination of activities and the sharing of the limited resources of the computer.
Operating system purpose:
Provide an environment in which a user can execute programs.
Operating system goals:
Make the computer system convenient to use(Convenience).
Computer System Components
1. Hardware – provides basic computing resources (CPU, memory, I/O devices).
2. Operating system – controls and coordinates the use of the hardware among the various application programs for the various users.
3. Application programs– define the ways in which the system resources are used to solve the computing problems of the users (compilers, database systems, video games, business programs).
Storage management(9-13)
Mainly deal with: Memory management Virtual memory File systems I/O systems Mass-storage structure
Protection and security(18-19)
成绩评定方法
期末考试成绩占70%，平时成绩占30% 平时成绩包括：作业、实验、课堂、考勤
Textbook & References
Abraham Silberschatz．Applied Operating System Concepts．Higher Education Press, 2001,5
汤子瀛．计算机操作系统． 西安：西北电子科技大学出版社, 1999,5
胡志刚．计算机操作系统． 长沙：中南大学出版社,2005,8
张尧学．计算机操作系统教程（第二版）． 北京：清华大学出版社, 2000,8
Lecture Format
Help you understand important and hard OS concepts
Process management(4-8)
Mainly introduce methods for: Process scheduling Interprocess communication Process synchronization Deadlock handling Discussion of threads
Mainly cover: Protection Security
Chapter 1: Introduction
What is an Operating System? History of Operating Systems The Operating System Zoo
What is an Operating System?
Principles of Operating System
操作系统原理
About This Course
课程基本情况
课程类别：学科专业课必修课 学时学分：总学时64学时 实验8学时 4学分 先修课程：数据结构、程序设计语言
课程内容
主要讲授操作系统基本原理，即教材第1章至第13章
Overview(1-3)
Mainly explain: What operating systems are? How operating systems are
designed and constructed? What the common features of an
operating systems are?
ຫໍສະໝຸດ Baiduectures do not cover everything
Not all questions in homework or exams are from lectures
Students responsibility
Attend lectures Read textbooks Homework, Experiments, Exam Periodically check web page
Use the computer hardware in an efficient manner(Efficiency).
Definitions of an Operating System
What is an Operating System?
a program that acts as an intermediary between a user of a computer and the computer hardware.
There are a lot of definitions. Do you know?
Definition from Wikipedia
An operating system (OS) is an interface between hardware and applications; it is responsible for the management and coordination of activities and the sharing of the limited resources of the computer.
Operating system purpose:
Provide an environment in which a user can execute programs.
Operating system goals:
Make the computer system convenient to use(Convenience).
Computer System Components
1. Hardware – provides basic computing resources (CPU, memory, I/O devices).
2. Operating system – controls and coordinates the use of the hardware among the various application programs for the various users.
3. Application programs– define the ways in which the system resources are used to solve the computing problems of the users (compilers, database systems, video games, business programs).
Storage management(9-13)
Mainly deal with: Memory management Virtual memory File systems I/O systems Mass-storage structure
Protection and security(18-19)
成绩评定方法
期末考试成绩占70%，平时成绩占30% 平时成绩包括：作业、实验、课堂、考勤
Textbook & References
Abraham Silberschatz．Applied Operating System Concepts．Higher Education Press, 2001,5
汤子瀛．计算机操作系统． 西安：西北电子科技大学出版社, 1999,5
胡志刚．计算机操作系统． 长沙：中南大学出版社,2005,8
张尧学．计算机操作系统教程（第二版）． 北京：清华大学出版社, 2000,8
Lecture Format
Help you understand important and hard OS concepts
Process management(4-8)
Mainly introduce methods for: Process scheduling Interprocess communication Process synchronization Deadlock handling Discussion of threads
Mainly cover: Protection Security
Chapter 1: Introduction
What is an Operating System? History of Operating Systems The Operating System Zoo
What is an Operating System?
Principles of Operating System
操作系统原理
About This Course
课程基本情况
课程类别：学科专业课必修课 学时学分：总学时64学时 实验8学时 4学分 先修课程：数据结构、程序设计语言
课程内容
主要讲授操作系统基本原理，即教材第1章至第13章
Overview(1-3)
Mainly explain: What operating systems are? How operating systems are
designed and constructed? What the common features of an
operating systems are?
ຫໍສະໝຸດ Baiduectures do not cover everything
Not all questions in homework or exams are from lectures
Students responsibility
Attend lectures Read textbooks Homework, Experiments, Exam Periodically check web page
Use the computer hardware in an efficient manner(Efficiency).
Definitions of an Operating System