1 / 17

System Software

Chapter 4 . System Software. Overview. Discuss the Types of System Software Describe Operating System Functions Describe Operating System Features Discuss Mobile Operating Systems Discuss Desktop Operating Systems Describe The Purpose of Utilities Describe Device Drivers.

shalom
Télécharger la présentation

System Software

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 4 System Software

  2. Overview • Discuss the Types of System Software • Describe Operating System Functions • Describe Operating System Features • Discuss Mobile Operating Systems • Discuss Desktop Operating Systems • Describe The Purpose of Utilities • Describe Device Drivers

  3. System Software • Collection or System of Programs • Handles Technical Details of Computer • Types • Operating System • Utilities • Device Drivers • Language Translators

  4. Operating Systems • AKA Software Environment • Examples: • Windows 8, Mac OS X • Group of Programs • Coordinates Hardware Resources • For All Computer Activities

  5. Operating System Functions • Manage Computer Resources • Coordinate Memory, Processing, Storage • Monitor System Performance • Provide Security • Start the Computer • Provides User Interface

  6. Operating System Functions • Runs Applications • Multitasking • Switch Between Applications Running in Memory • Multiuser • Two or More Users Run Same Program • Multiprocessing • Multiple CPUs Running at Same Time • Fault-tolerant • Duplicate Components • Hard Disk, Memory • Can Operate Even if Component Fails

  7. Operating System Features • Booting • Starting / Restarting Computer • Cold Boot • Turning on Computer from Off State • Warm Boot • Restarting Computer that is Already On

  8. Operating System Features • Booting Mechanics

  9. Operating System Features • Desktop • Provides Access to Computer Resources • Icons • Pointer • Windows • Menus • Tab • Divide Menus into Major Activity Areas

  10. Operating System Features • Dialog Boxes • Provide Information or Request Input • Help • Gesture Control • Control Operations with Finger Movements • Swiping, Sliding, Pinching • Files • Store Data and Programs • Folder • Stores Related Files

  11. Operating System Categories • Embedded Operating Systems • Smartphones • Cable TV Tuner Boxes • Video Game Systems • Network Operating Systems • Control / Coordinate Networked Computers • Stand-alone Operating Systems • Control Single Computer

  12. Mobile Operating Systems • Embedded Operating System • Types • Android • BlackBerry OS • iOS • Windows Phone Canalys 5/13

  13. Desktop Operating Systems • Windows 8 • Mac OS X • UNIX • Linux • Chrome OS • Market Share • Microsoft Windows91.3% • Apple Macintosh6.7% • Linux 1.3% NetMarketShare 7/13

  14. Virtualization • Run Multiple OS on a Single Machine • Requires Virtualization Software • Configures Virtual Machines • Treated as Separate Computers • Host Operating System • Guest Operating System

  15. Utilities • Programs to Make Computing Easier • Types • Diagnostic • Antivirus • Backup • File Compression • Disk Cleanup • Disk Defragmenter

  16. Device Drivers • AKA Driver • Allows Communication • Between Device and OS • Appropriate Drivers Automatically Installed • For Most Devices • Windows Update • Automatically Updates Drivers

  17. Careers in IT • Support Specialist • Provide Technical Support • To Customers and Other Users • Manage Everyday Technical Problems • Resolve Common Networking Problems • Advanced Associate's or Bachelor's Degree • Good Analytical and Communication Skills • Annual Salary of $31,000 - $58,000

More Related