PPT-Section 3.1: Operating Systems Concepts

1 A Computer Model An operating system has to deal with the fact that a computer is made up of a CPU random access memory RAM inputoutput IO devices and longterm storage 2 Disk Drive. 1. 7. Physical Memory. 7.1 Preparing a Program for Execution . Program Transformations . Logical-to-Physical Address Binding. 7.2 Memory Partitioning Schemes. Fixed Partitions . Variable Partitions. Principles and Practice. Tom Anderson. How This Course Fits in the UW CSE Curriculum. CSE 333: Systems Programming. Project experience in C/C++. How to use the operating system interface. CSE 451: Operating Systems. 1. 6. Deadlocks. 6.1 Deadlocks with Reusable and Consumable. . Resources. 6.2 Approaches to the Deadlock Problem . 6.3 A System Model . Resource Graphs . State Transitions. Deadlock States and Safe States . 1. 8. Virtual Memory. 8.1 Principles of Virtual Memory . 8.2 Implementations of Virtual Memory . Paging. Segmentation. Paging With Segmentation. Paging of System Tables. Translation Look-aside Buffers . 1. 5. Process and thread scheduling. 5.1 Organization of Schedulers . Embedded and Autonomous Schedulers . . 5.2 Scheduling Methods . A Framework for Scheduling . Common Scheduling Algorithms . Seventh Edition. Chapter 7. Device Management. Learning Objectives. After completing this chapter, you should be able to describe:. Features of dedicated, shared, and virtual devices. Concepts of blocking and buffering, and how they improve I/O performance. Sig Freund. CSC 8320 Fall . 2008. rfreund1@student.gsu.edu. Transparency in Distributed Operating Systems. Evolution of Modern Operating Systems. Centralized operating system. +network access and resource sharing. Seventh Edition. Chapter 1. Introducing Operating Systems. Understanding Operating Systems, 7e. What . I. s. an Operating System?. Computer system. Software (programs). Hardware (tangible machine/electronic components). Dr . Damitha. . Karunaratna. . University of Colombo school of computing. Topics to discuss. What is an operating system(OS)?. Main objectives of an OS. Main functions of an OS. Evolution of OS.. Chapter 8. File Management. Understanding Operating Systems,7e. Learning Objectives. After completing this chapter, you should be able to describe:. The fundamentals of file management . File-naming conventions, including the role of extensions. Sig Freund. CSC 8320 Fall . 2008. rfreund1@student.gsu.edu. Transparency in Distributed Operating Systems. Evolution of Modern Operating Systems. Centralized operating system. network access and resource sharing. History and Hardware. 1: Operating Systems Overview. 2. This is the simplest animal with a “brain”. Caenorphabditis elegans. C. elegans.  is one of the simplest organisms with a nervous system. This system comprises 302 neurons the pattern of which has been comprehensively mapped, in what is known as a connectome. . Page 121-131. It’s a Windows World. Chapter 6: Alternative Operating Systems. 2. Page 121. What is the OS sitting on our desks?. Windows > 90%. It’s a Windows World. Chapter 6: Alternative Operating Systems. Chapter Contents. Section A: Operating System Basics. Section B: Today’s Operating Systems. Section C: File Basics. Section D: File Management. Section E: Backup Security. Chapter 4: Operating Systems and File Management.