PowerPoint Presentation to Accompany Chapter 5 System Software Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall.

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PowerPoint Presentation to Accompany Chapter 5 System Software Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Objectives 1.Explain what an operating system does. 2.Compare the most common stand-alone operating systems. 3.Compare specialized operating systems. 4.Compare the most common network operating systems. 5.List and explain important disk utility software. 6.Identify the certifications and careers related to system software. Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Key Terms Objective : Overview 1 1.Discuss the job of the operating system 2.Discuss how the OS manages and controls hardware 3.Discuss how the OS interacts with software  API (application programming interface)  Device driver  GUI (graphical user interface)  Multitasking Who’s Being Bossy Now?  OS (operating system)  PnP (Plug and Play)  System software Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Operating System (OS)  System software  Interface to communicate with the hardware and software  A computer cannot run without an operating system installed Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall Windows 8 interface

Operating System Provides graphical user interface (GUI)Manages resources (multitasking)Manage and controls hardware (PnP)Interacts with software (API) Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Key Terms Objective : Overview 2 Running the Show on Personal Computers 1.List the three major operating systems found on PCs today: Windows, Mac OS X, Linux 2.Discuss the characteristics of the Windows, Mac OS X, and Linux operating systems  Beta version  Linux  Mac OS X  Microsoft Windows  Open source Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Stand-Alone Operating Systems Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall Windows Mac OS X Linux

Stand-Alone Operating Systems Windows  Most common OS  90% of PCs run a version of Windows  2009 – Windows 7  2012 – Windows 8 Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Stand-Alone Operating Systems Windows Windows 95 Introduced PnP Windows 98 IE and multimedia capabilities Windows XP Increased stability Windows Vista Gadgets and new interface Windows 7 Redesigned taskbar and multi-touch techno logy Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Windows 8 Interface Tiles Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Stand-Alone Operating Systems Mac/Apple  First Macintosh computer introduced in 1984  Introduced the GUI Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Stand-Alone Operating Systems Mac/Apple System 1 Macintosh introduced in 1984 System 7 Updated GUI Mac OS 8 New interface and Internet browsing Mac OS 9 Wireless support, today known as Mac Classic Mac OS X 10.6 Also known as Snow Leopard Mac OS X 10.8 Mountain Lion faster, more reliable, easy to use Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

OS X 10.8 Mountain Lion Includes iCloud Features Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Stand-Alone Operating Systems Linux  Linux OS software is open source  Open source:  Source code published  Made available to the public  Enabling anyone to copy, modify, and redistribute it without paying fees Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Stand-Alone Operating Systems Linux  Developed in 1991 by Linus Torvalds  Linux does not refer to a single version; it has many distributions or “ distros ”  Found niche in netbook market  Google Chrome is a Linux distro Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

The Ubuntu desktop Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

MS Windows is the primary OS installed on new PCs. Some manufacturers sell Linux computers. Use the Internet to research the versions of Linux currently available preinstalled on new PCs. List your findings charting five sites. Include the manufacturer and/or website and the Linux distro preinstalled. Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Linux Computers Manufacturer/WebsiteLinux Distro Linux CertifiedFedora or Ubuntu s System76Ubunto DellUbunto LinPCPCLinuxOS Think PenguinUbunto ZareasonCustomize Eight VirtuesUbunto Frostbite Systems Debian, Fedora, Linux Mint, openSUSE, Gnome Linux EmporiumUbunto Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Key Terms Objective : Overview 3 Something Special for You 1.List and discuss embedded operating systems and how they work 2.Discuss Web operating systems and how they work  Embedded operating system  Web OS Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Specialized Operating Systems  Embedded operating system:  GPS devices  ATMs  Smartphones  Other devices  Web operating system:  Virtual desktop  Accessed using a Web browser Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Specialized Operating Systems  Symbian  BlackBerry OS  Apple iOS/ Mac OS X  MS Windows Phone  Google Android Phone Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Specialized Operating Systems Web Operating System  A virtual desktop  Does not handle the hardware functions  Does not require installing software on your PC  Also known as the cloud Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Key Terms Objective : Overview  NOS (network operating system) 4 The NOS Knows 1.Discuss the four major network operating systems: Windows Server, Linux, UNIX, and Novell 2.Discuss the characteristics of the Windows Server OS 3.Discuss the characteristics of the UNIX OS 4.Discuss the characteristics of the Novell OS Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Network Operating Systems Network Servers  Centralizes:  Resources  Storage  Security  Run a specialized operating system:  Network operating system  Windows Server  Linux  Unix  Novell Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

The one area of NOS usage that can be easily monitored is activity on Web servers. Netcraft.com does a monthly survey of Web servers. Go to netcraft.com and look at the current report. What are the three most popular Web servers for this month? How much has changed in the past month? Are there any servers not mentioned in this chapter? Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Visualizing Technology Developer September 2013 Percent October 2013 PercentChange Apache346,288, %344,408, %-1.97 Microsoft160,691, %177,216, %1.35 nginx111,680, %123,114, %0.93 Google34,806, %34,127, %-0.26

Key Terms Objective : Overview 5 Utilities You Should Use 1.Discuss the importance of using utilities 2.List and discuss the Windows OS utilities  Defragmenter  File fragmentation  File system  Format Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Utility Software Why Use Utilities?  Hard disk drives are very large and hold a lot of information  It is important to keep your disks healthy  Keeps your system running efficiently  Protects your files Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall

Utility Software How Data Is Stored  Hard disk is divided into sectors  Files are stored in clusters  High-level formatting sets up the file system on the disk Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall  File system keeps it organized:  Windows uses NTFS  OS X uses HFS+

Utility Software  Windows Disk Utilities:  Check Disk  Optimize Disks  Disk Cleanup  Backup Visualizing TechnologyCopyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall  OS X  Disk Utility

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the United States of America. Copyright © 2014 Pearson Education, Inc. Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall Copyright © 2014 Pearson Education, Inc. Publishing as Prentice HallVisualizing Technology