PPT-Chapter 2 Operating System Overview

Ninth Edition By William Stallings Operating Systems Internals and Design Principles 2017 Pearson Education Inc Hoboken NJ All rights reserved Operating System A program that controls the execution of application programs. And 57375en 57375ere Were None meets the standard for Range of Reading and Level of Text Complexity for grade 8 Its structure pacing and universal appeal make it an appropriate reading choice for reluctant readers 57375e book also o57373ers students BY. LI HONGJUAN, LANYUQING. The presenter. Rusul. J. . ALSaedi. Spring 2015. CS 69995- Dr. Rothstein. Contents. Abstract. Introduction. Design process of trusted operating system based on Linux. A. A program that controls the execution of application programs. An interface between applications and hardware. 2. Operating System Objectives. Convenience. Makes the computer more convenient to use. Efficiency. Overview. This chapter covers:. Differences between system software and application software. Functions of and . general differences between operating . systems. Specific operating systems most widely used today. 1. Event-driven programming . Event-driven programming is a programming paradigm in which the flow of the program is determined by. sensor outputs,. user actions (mouse clicks, key presses), or. messages from other programs or threads.. 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. 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.. 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. 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. 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. HISTORY OF OPERATING SYS. TEM. The First Generation (1945-55) . The Second Generation (1955-65) . The Third Generation (1965-1980) . The Fourth Generation (1980-Present). 2. 1.. The First Generation (1945-55) . Lecture . 2. C. Operating System Structures . 2. References for . Lecture:. Abraham . Silberschatz. , Peter Bear Galvin and Greg Gagne, Operating System Concepts, 9th Edition, . Chapter . 2. . Contents of Lecture. Beta . Webpage Demonstration. August 24, 2016 | Washington, DC. By . U.S. Energy Information Administration. Key Takeaways. Since mid-2015, EIA has been collecting . near real-time . hourly system demand data from each U.S.