1. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall1 PowerPoint Presentation To Accompany Chapter 6 System Software

2. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall2 The system software provides the user with the interface to communicate with the hardware and software on a computer. A computer cannot run without an operating system installed. Operating System 224

3. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall3 Provides user interface (GUI) Manages resources (multitasking) Manage and controls hardware (PnP) Plug and Play Interacts with software (API) Application programming interface Operating System 225

4. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall4 What operating system is on your computer? To find out, right-click the Start menu and choose Properties. Is it the latest version?

5. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall5 Stand-Alone Operating Systems Windows Apple/Macintosh Linux Operating Systems Used Today: 225

6. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall6 Stand-Alone Operating Systems WINDOWS Microsoft Windows is the most common OS 90% of PCs run a version of Windows Since its release to consumers in 2009, Windows 7 is steadily replacing older versions of the Windows OS 228

7. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall7 Stand-Alone Operating Systems WINDOWS Windows 95 introduced PnP Windows 98 Included IE and advanced multimedia capabilities Windows XP increased stability and simple internet and networking connectivity Windows Vista Gadgets and new interface Windows 7 redesigned taskbar and multi-touch technology 228

8. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall8 Stand-Alone Operating Systems MACINTOSH/APPLE Apple introduced its first Macintosh computer in 1984 This system Introduced the GUI (graphical user interface) 229

9. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall9 Stand-Alone Operating Systems MACINTOSH/APPLE Macintosh introduced in 1984 and used System 1 operating system System 7 1990 updated GUI MAC OS 8 new interface and Internet browsing MAC OS 9 wireless supports, today known as Mac Classic MAC OS 10.0 also known as Cheetah MAC OS X 10.6 Snow Leopard faster, more reliable, easy to use 229

10. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall10 Stand-Alone Operating Systems LINUX Linux OS software is open source Open source is software that has its source code published and made available to the public, enabling anyone to copy, modify, and redistribute it without paying fees. 230

11. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall11 Stand-Alone Operating Systems LINUX Open source software Developed in 1991 by Linus Torvalds Unlike Windows and Mac, 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 230

12. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall12 Network Operating Systems WINDOWS SERVER VS. LINUX VS. UNIX VS. NOVELL A network server centralizes resources, storage, and security in a client-server network. Network servers run a specialized operating system called a network operating system. 234

13. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall13 Network Operating Systems WINDOWS SERVER VS. LINUX VS. UNIX VS. NOVELL 234

14. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall14 An embedded operating system is a specialized OS that runs many GPS devices, ATMs, smartphones, and other devices. Specialized Operating Systems A Web operating system is a virtual desktop that can be accessed using a Web browser. 236

15. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall15 Specialized Operating Systems Symbian BlackBerry OS Apple iPhone OS/ Mac OS X MS Windows Mobile Google Android Palm webOS 237

16. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall16  A virtual desktop  Does not handle the hardware functions of a true operating system  Does not require you to install any software on your PC  Also known as a cloud Specialized Operating Systems WEB OPERATING SYSTEM 238

17. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall17 Utility Software WHY USE UTILITIES? Hard disk drives today are very large and can hold a lot of information. It is important to keep your disks healthy to keep your system running efficiently and to protect your files. 240

18. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall18 Utility Software HOW DATA IS STORED Your hard disk is divided up into sectors Files are stored in blocks of these sectors, called clusters High-level formatting sets up the file system on the disk, like a library catalog When you save files to your disk, the file system keeps it organized Windows 7 uses the NTFS file system 240

19. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall19 Utility Software WINDOW OS UTILITIES Windows includes disk utilities to help maintain your computer... Check Disk Disk Defragmenter Disk Cleanup Backup 243

20. Visualizing Technology© 2012 Pearson Education, Inc. Publishing as Prentice Hall20 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 © 2012 Pearson Education, Inc. Copyright © 2012 Pearson Education, Inc. Publishing as Prentice Hall