PPT-Chapter 5: System Software: Operating Systems and Utility Programs

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. . C. ontents. What is an Operating System. ?. Operating System Objectives. Services Provided by the Operating System. . Functions of an Operating System on a Network. Types of Operating Systems. Simple Batch Systems. 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). System Software. Learning Objectives. Explain system software and operating systems. Identify operating systems for desktop PCs. Identify operating systems for handheld PCs and larger . computers. Discuss . Software – the instructions that make the CPU do useful things. Divided into two main categories. System software. Applications. Two categories of Software. Applications help you get your work done . System Software. Learning Objectives. Explain system software and operating systems. Identify operating systems for desktop PCs. Identify operating systems for handheld PCs and larger . computers. Discuss . 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. System software. ?. consists of the programs that control or maintain the operations of the computer and its devices.. There are two types of system software:. 2. Operating Systems. An . operating system. GS5. Computing Fundamentals. Domain 2.0. Hardware devices. Objective 2.6. Understand power management and power settings. Objective 2.7. Understand driver concepts as well as their device compatibility. 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. Software – the instructions that make the CPU do useful things. Divided into two main categories. System software. Applications. Two categories of Software. Applications help you get your work done . 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. 2. User interface. Peripheral. Operating System. What is an operating system?. Core system. which allows a computer to run as a useful device. . Manages hardware, user interface . and other . software. Chapter 3 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), input/output (I/O) devices, and long-term storage. 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.