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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-2 Describe the differences between system software and application software. Discuss the four types of system software. Discuss the basic functions, features, and categories of operating systems. Describe Windows, Mac OS, UNIX, Linux, and virtualization.
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-3 Describe the purpose of utilities and utility suites. Discuss mobile operating systems including Symbian, Blackberry OS, iOS, Android, Windows Phone 7, and WebOS. Identify the five most essential utilities. Discuss Windows utility programs. Describe device drivers, including Windows’ Add a Device Wizard and Update.
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-4 Computers are ubiquitous in our lives and we expect them to “be there when we need them”. We give little thought to the processes and programs running behind the scenes to keep them functioning effectively. Such programs (i.e. operating systems, utility programs, and device drivers) are the system software you learn about here.
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-5 Handles the technical details Includes the operating system, utilities, device drivers, and language translators
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-6 A collection of programs that handle technical tasks Manage resources Provide user interface Run applications Examples: Windows 7 Mac OS X Also called the software environment or platform
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-7 Manages computer resources Coordinate memory, processing, storage, printers and monitors Monitor system performance Schedule tasks Provide security Start-up the computer Provides user interface Graphical user interface (GUI) Runs applications Multitasking Foreground and background applications
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-8 Booting Features in common with application software Icons Pointer Windows Menus Tabs Dialog boxes Help
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-9 Three basic categories Embedded operating systems (handheld) Smartphones Cable TV tuner boxes Video game systems Network operating systems (linked computers) Windows Server Unix OS stored on network server which coordinates all communication between the other computers Stand-alone operating systems (desktop) Also called client operating system
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-10 The OS is often called the software environment or platform Operating systems commonly used by individuals Windows – most widely used Windows Mac OS – powerful and easy to use Mac OS UNIX – network; originally designed for Web UNIX LINUX – non proprietary; free from the Web LINUX
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-11 The most popular microcomputer operating system Over 90 percent of the market Windows 7 provides several improvements over Windows Vista Return
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-12 Mac OS X runs on Apple computers Popular with graphic designers and desktop publishers Features include Spotlight Dashboard Widgets Boot Camp
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-13 Mac OS v 10.7 - also known as Lion Photo-quality icons and easy-to-use menus Launchpad Displays and provides access to all apps installed Mission Control Displays all running programs at one time Gestures Allow you to use your fingers to run programs and to control content on the screen Return
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-14 UNIX operating system Servers on the Web Mainframe computers Microcomputers Return
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-15 LINUX - version of UNIX Alternative to windows Open source Not proprietary Google Chrome OS based on Linux Return
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-16 Ability to support multiple operating systems on a single physical machine Virtualization software Physical machine can be logically separated into separate and independent virtual computers called virtual machines Host operating system Guest operating system
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-17 Mobile OS Embedded operating system in every smartphone Some of the best known Symbian BlackBerry OS or RIM OS iOS Android Windows Phone 7 WebOS
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-18 Specialized programs to make computing easier Most essential utilities Troubleshooting or diagnostic programs Antivirus programs Uninstall programs Backup programs File compression programs
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-19 Backup and Restore Backup and Restore Disk Cleanup Disk Cleanup Disk Defragmenter Disk Defragmenter
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-20 Utility program included with many Windows versions Makes a copy of all files or selected files that have been saved on a disk Helps prevent against loss of data in the event of a disk failure Return
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-21 Identifies and eliminates nonessential files Frees up valuable space and improves system performance Return
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-22 Identifies and eliminates unnecessary fragments Rearranges files and unused disk space to optimize operations Speeds up file access Return
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-23 Combine several programs into one package Less expensive Popular suites Norton 360 McAfee Office V Communications SystemSuite
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-24 Allow communication between a device and the computer Loaded into memory each time a computer is started When a new device is added, new device drivers must be installed Windows already has many drivers within the system software
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-25 Security Center Continually monitors your computer VirusScan Controls the frequency of searches for viruses Quarantines or deletes infected files PersonalFirewall Monitors inbound and outbound traffic SiteAdvisor Protects privacy online
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-26 Computer support specialist provide technical support to customers and other users Resolve common networking problems and use troubleshooting programs to diagnose problems Employers look for a bachelors degree, good analytical and communication skills Computer support specialist can expect to earn $32K - $53K annually
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-27 IBM’s Automatic Computing Initiative (ACI) Handles time-consuming maintenance Self-regulating and virtually invisible Self-maintaining servers Self-repairing Self-updating Self-protecting
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-28 Describe system software. Discuss each of the four types of system programs. Define operating systems. Describe the basic features and the three categories of operating systems. What are desktop operating systems? Compare Windows, Mac OS, Linux and Chrome OS. Discuss virtualization.
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System Software © 2013 The McGraw-Hill Companies, Inc. All rights reserved.Computing Essentials 2013 5-29 What are mobile operating systems? Describe six leading mobile operating systems. Discuss utilities. What are the five most essential utilities? What is a utility suite? Explain the role of device drivers. Discuss the Add a Device Wizard and Windows Update.
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