PPT-1 Operating System

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. 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 . 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). Real Time OS. Batch OS. Time Sharing OS. Why do we have different Operating Systems . Common types of Operating Systems . The Operating System . The OS is responsible for all the functions of hardware and also software. Eighth Edition. By William Stallings. Operating Systems:. Internals and Design Principles. System Access Threats. Intruders . Malicious Software. Programs that exploit vulnerabilities in computing systems. J. Holvikivi 2013. Software Categories. System. Software. Application. Software. The Operating System. Operating. System. GUI. Operating Systems. 2.. 4. Algorithms – basis of software. A sequence of steps that directs the execution of a task. 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.. 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 Dawson R. . Engler. , M. . Frans. . Kaashoek. ,. James O’Toole Jr.. Presented by Seth Goldstein. EECS 582 – W16. 1. Outline. Traditional Operating System. Exokernel. Implmentation. Kernel Comparisons. System Principles . Peter Reiher. . Outline. Administrative materials. Introduction to the course. Why study operating systems?. Basics of operating systems. Administrative Issues. Instructor and TAs. 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) . CPSC/ECE 3220 Spring . 2023. Lecture Notes. OSPP Chapter 1. (adapted by Mark Smotherman from Tom Anderson’s slides on OSPP web site). Chapter 1. Operating system definition. Software to manage a computer’s resources for its users and applications. 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. By: Elham Sunbu. OUTLINES. What is Operating Systems ??. Types of computers in the . network. Features of operating systems . Types of Operating Systems. Networks Operating Systems . Review of LAN and WAN.