PowerPoint Presentation to Accompany Chapter System Software Objectives Explain What an Operating System Does Compare Desktop Operating Systems Configure a Desktop Operating System Compare Specialized Operating Systems Compare the Most Common Network Operating Systems List and Explain Important Utility Software Copyright © 2017 Pearson Education, Inc Explain What an Operating System Does Objective Copyright © 2017 Pearson Education, Inc System Software System software Software that makes the computer run Operating system Most important type of system software Provides user with the interface to communicate with hardware and other software A personal computer is useless without an operating system Objective Copyright © 2017 Pearson Education, Inc Modern Operating System Provides User interface (GUI) Manages resources (multitasking) Controls hardware (PnP) Interacts with software (API) Objective Copyright © 2017 Pearson Education, Inc Compare Desktop Operating Systems Objective Copyright © 2017 Pearson Education, Inc Compare Desktop Operating Systems Microsoft Windows Most common desktop operating system Approximately 20 percent of PCs run a version of Windows Windows introduced a totally new interface Objective Copyright © 2017 Pearson Education, Inc Compare Desktop Operating Systems Mac OS X First released in 1984; used a GUI; called Mac system software OS X operating system released in 2001 Current version is OS X El Capitan Objective Copyright © 2017 Pearson Education, Inc Compare Desktop Operating Systems Linux Open source – the code is publicly available Developed in 1991 by Linus Torvalds Does not have a single version but many distributions (distros) Objective Copyright © 2017 Pearson Education, Inc Configure a Desktop Operating System Objective Copyright © 2017 Pearson Education, Inc 10 Configure a Desktop Operating System System Preferences for a Mac • System Preferences are accessed through the Apple menu or the icon on the dock • System Preferences in OS X are grouped into rows • Preferences configure hardware settings, user accounts, and customize the way your computer looks and responds Objective Copyright © 2017 Pearson Education, Inc 12 Configure a Desktop Operating System User Accounts Four types of Windows accounts: Standard account - for everyday computing Child account – a standard account with Family Safety turned on by default Administrator account – making global changes, installing software, and configuring settings Guest account – for temporary access Objective Copyright © 2017 Pearson Education, Inc 13 Compare Specialized Operating Systems Objective Copyright © 2017 Pearson Education, Inc 14 Specialized Operating Systems Embedded vs Mobile Operating Systems Embedded Mobile Specialized and limited functions Installed in: GPS devices Full-featured Installed in: Smartphones Tablets ATM machines Communication systems Car entertainment systems Objective Copyright © 2017 Pearson Education, Inc 15 Specialized Operating Systems Smartphone Operating Systems Apple iOS: Proprietary - found only on Apple devices Google Android: Linux kernel Found on devices by many companies Microsoft Windows Phone: Based on Windows Embedded CE Found on devices by many companies Objective Copyright © 2017 Pearson Education, Inc 16 Compare the Most Common Network Operating Systems Objective Copyright © 2017 Pearson Education, Inc 17 Network Operating Systems Objective Copyright © 2017 Pearson Education, Inc 18 Types of Networks Client-server – a network in which, upon login, the user gets access to centralized services like printers and file storage School network Peer-to-peer – a network that does not require a NOS; files and services are shared but not centralized Home network Objective Copyright © 2017 Pearson Education, Inc 19 List and Explain Important Utility Software Objective Copyright © 2017 Pearson Education, Inc 20 Important Utility Software Disk Utility Software Hard disk drives Can be very large and hold a lot of information Important to keep your disks healthy to protect your files Formatting a disk • Stores files in clusters (consisting of one or more sectors) on the hard drive • Sets up the file system Objective Copyright © 2017 Pearson Education, Inc 21 Important Utility Software Windows Utility Software Check Disk Monitors health of the file system on a disk Optimize Drives Rearranges fragmented files to improve efficiency Disk Cleanup Looks for files that can be safely deleted to free up disk space Objective Copyright © 2017 Pearson Education, Inc 22 Important Utility Software OS X Utility Software Disk Utility Used to get information about the disks on your computer Verify and repair a disk HRS+ file system OS X’s HFS+ file system guards against fragmentation Macs rarely need to be defragmented OS X does not include a defragmenter utility No need for disk cleanup Macs have daily, weekly, and monthly maintenance scripts Objective Copyright © 2017 Pearson Education, Inc 23 Important Utility Software Security Software Firewall Blocks unauthorized access to a computer Antivirus Programs Protects against viruses, Trojan horses, worms, and spyware Antispyware software Prevents adware and spyware infections Malware Software designed to be harmful or malicious Objective Copyright © 2017 Pearson Education, Inc 24 Questions Copyright © 2017 Pearson Education, Inc 25 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 © 2017 Pearson Education, Inc 26 ... Education, Inc 15 Specialized Operating Systems Smartphone Operating Systems Apple iOS: Proprietary - found only on Apple devices Google Android: Linux kernel Found on devices by many companies... © 2017 Pearson Education, Inc 25 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,... Desktop Operating Systems Linux Open source – the code is publicly available Developed in 1991 by Linus Torvalds Does not have a single version but many distributions (distros) Objective Copyright