PPT-Operating Systems & Utility Programs

Chapter 7 Overview Define System Software Identify the Types of Systems Software Describe Operating System Functions Summarize the PC Startup Process Identify Types of Operating Systems Explain the Purpose of Utilities. 1. 11. I/O Systems. 11.1 Basic Issues in Device Management. 11.2 A Hierarchical Model. 11.3 I/O Devices. 11.4 Device Drivers. Memory-Mapped . vs. Explicit Device Interfaces . Programmed I/O with Polling . 1. 10. File Systems. 10.1 Basic Functions of File Management. 10.2 Hierarchical Model of a File System . 10.3 User’s View of Files. Logical File Organization. Operations on Files. 10.4 . File Directories. 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 . 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. programs . and . scripts . T. A. Herring M. A. . Floyd R. . W. King. Massachusetts Institute of Technology, Cambridge, MA, USA. UNAVCO Headquarters, Boulder, Colorado, USA. 19–23 June 2017. M. Sarafolean. J. Kaman. Iowa Industrial Energy Group Meeting . April 9, 2013. Utility Bills. Special Riders, Surcharges. Above . Market PPAs. Cross Class Subsidies. Taxes. City Franchise Fees. Bill Markup. Systems and . Utility Programs. OBJECTIVES. After completing this lesson, you should be able to:. Describe the two types of system software. Describe the . functions of an Operating System.. Understand the startup process on a personal computer.. 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. Development of Computers. 1. st. Generation computers (1940-1956). Used vacuum tubes.. Vacuum tubes are electronic devices that control the flow of electrons.. Had no operating systems – the user programmed the computer by physically entering the computer and programming by hand. The programs that control and maintain the operation of the computer and its devices. The two parts of system software are the Operating System (OS) and utility programs.. Operating system (OS) (sometimes called the platform) coordinates all activities among computer hardware resources, applications and the user.. By: Lecturer . Raoof. . Talal. 1.1 What are the Operating Systems. ?. An . operating system . is a program that manages the computer hardware. It also acts as an intermediary between the computer user and the computer hardware. Illinois Utility Bill PSD Template. Fully customizable layered PSD file. Put any Name, Address, Bill No., Issue date, etc. to make personalized USA Utility Bill.