Introductory Visualizing Technology
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1 Introductory Visualizing Technology Seventh Edition Chapter 5 System Software
2 Learning Objectives 5.1 Explain What an Operating System Does 5.2 Compare Desktop Operating Systems 5.3 Configure a Desktop Operating System 5.4 Compare Specialized Operating Systems 5.5 Compare the Most Common Network Operating Systems 5.6 List and Explain Important Utility Software 5.7 Troubleshoot Common Computer Problems
3 Learning Objective 5.1 Explain What an Operating System Does
4 Explain What an Operating System Does
5 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
6 Modern Operating System Provides user interface (G U I) Manages resources (multitasking) Controls hardware (PnP) Interacts with software (A P I)
7 Learning Objective 5.2 Compare Desktop Operating Systems
8 Compare Desktop Operating Systems
9 Compare Desktop Operating Systems Microsoft Windows Most common desktop operating system Approximately 90 percent of PCs run a version of Windows Windows 8 introduced a totally new interface, which was replaced by Windows 10
10 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 Changed to macos current version is High Sierra
11 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)
12 Learning Objective 5.3 Configure a Desktop Operating System
13 Configure a Desktop Operating System
14 Configure a Desktop Operating System Configuring Your OS Settings window displays settings, help, and info for the current app Control Panel options to configure a monitor, or troubleshoot settings, hardware, and software
15 Configure a Desktop Operating System System Preferences for a Mac Access System Preferences through the Apple menu or the icon on the dock System Preferences in macos are grouped into rows Preferences configure hardware settings and user accounts, and customize the way your computer looks and responds
16 Configure a Desktop Operating System User Accounts Four types of Windows accounts Standard account for everyday computing Child account standard account with Family Safety turned on by default Administrator account for making global changes, installing software, and configuring settings Guest account for temporary access
17 Learning Objective 5.4 Compare Specialized Operating Systems
18 Compare Specialized Operating Systems
19 Specialized Operating Systems Embedded vs. Mobile Operating Systems (1 of 2) Embedded specialized and limited functions Installed in: GPS devices ATM machines Communication systems Car entertainment systems
20 Specialized Operating Systems Embedded vs. Mobile Operating Systems (2 of 2) Mobile full-featured Installed in: Smartphones Tablets
21 Specialized Operating Systems Smartphone Operating Systems Apple ios Proprietary found only on Apple devices Google Android Linux kernel Found on devices made by many companies Microsoft Windows Phone Based on Windows Embedded CE Found on devices by many companies
22 Learning Objective 5.5 Compare the Most Common Network Operating Systems
23 Compare the Most Common Network Operating Systems
24 Network Operating Systems (1 of 2) Table 5.1 Comparing Modern Network Operating Systems Network (NOS) Current Version Comments Windows Server: First released as Windows NT in 1993 Linux: Linux kernel is part of many different distros UNIX: The oldest NOS Windows Server 2016 Some of the most popular server versions used in business are Red Hat Enterprise Linux and Novell SUSE. UNIX itself is not an OS but a set of standards that are used to create a UNIX OS. Scalable; found on many corporate networks; available in versions from Small Business edition to Enterprise and Datacenter editions It s impossible to know how many Linux servers are currently installed because many versions can be downloaded and installed for free and without registration Found on servers from HP, IBM, and Sun
25 Network Operating Systems (2 of 2) Table 5.1 Comparing Modern Network Operating Systems Network (NOS) Current Version Comments Apache Web Server Apache Web Server is the most widely used NOS found on web servers. Novell Novell Open Enterprise Server 2015 Apache can run on UNIX, Linux, or Windows servers. Novell was a leader in business servers throughout the 1980s and 1990s with its Netware products but has moved to open source products.
26 Types of Networks Client-server network where users get access to centralized services School network Peer-to-peer (P2P) network where files and services are shared but not centralized Home network
27 Learning Objective 5.6 List and Explain Important Utility Software
28 List and Explain Important Utility Software
29 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
30 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
31 Important Utility Software macos Utility Software Disk Utility Used to get information about the disks on your computer Verifies and repairs a disk HFS+ file system macos s HFS+ file system guards against fragmentation Macs rarely need to be defragmented macos does not include a defragmenter utility No need for disk cleanup
32 Important Utility Software Security Software Firewall Blocks unauthorized access to a computer Antivirus programs Protect against viruses, Trojan horses, worms, and spyware Antispyware software Prevents adware and spyware infections
33 Learning Objective 5.7 Troubleshoot Common Computer Problems
34 Troubleshoot Common Computer Problems and Maintenance
35 Basic Troubleshooting Methods Reboot the system Check connections Determine what has changed Search online Run troubleshooters For a Windows computer, check Task Manager
36 Save Energy and Extend Battery Life Turn off features that you are not using Put your mobile device in power-saving mode Put your system in airplane mode to disable all network adapters
37 Configuring Hardware To update a driver on your system, open Device Manager Device Manager can uninstall or roll back a driver Safe Mode is a special diagnostic mode that starts Windows without most device drivers
38 Questions
39 Copyright
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