1 / 14

CHAPTER

3. CHAPTER. System Software. Objectives . System software Programs, Functions, Categories Utilities Device drivers Language translators. Systems Software. Behind the scenes activities Designed to handle Technical details Where programs stored How commands executed Where files saved

miriam
Download Presentation

CHAPTER

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. 3 CHAPTER System Software

  2. Objectives • System software • Programs, Functions, Categories • Utilities • Device drivers • Language translators © The McGraw-Hill Companies, Inc. 2002

  3. Systems Software • Behind the scenes activities • Designed to handle • Technical details • Where programs stored • How commands executed • Where files saved • How output handled © The McGraw-Hill Companies, Inc. 2002

  4. Four Kinds of Programs • Operating system • Utilities • Device drivers • Language translators © The McGraw-Hill Companies, Inc. 2002

  5. OperatingSystems • Coordinates resources • Provides user interface • Run applications © The McGraw-Hill Companies, Inc. 2002

  6. Categories of OS • Hundreds of operating systems • Three basic categories • Embedded – hand-held • Network OS – linked computers • Stand-alone OS – desktop © The McGraw-Hill Companies, Inc. 2002

  7. Major OS • Windows – 80% of market • Mac OS – powerful and easy to use • UNIX – network; originally designed for Web • LINUX – non proprietary; free off Web © The McGraw-Hill Companies, Inc. 2002

  8. Utilities • Hard disk crashes • Antivirus programs • Computer freeze-ups • Decrease operation slow-downs © The McGraw-Hill Companies, Inc. 2002

  9. Essential Utilities • Troubleshooting • Antivirus • Uninstall • Backup • File compression © The McGraw-Hill Companies, Inc. 2002

  10. Utility Suites • Norton • McAfee • DataFellows © The McGraw-Hill Companies, Inc. 2002

  11. Device drivers • Specialized programs • Loaded into memory each time • Add new device: install device driver © The McGraw-Hill Companies, Inc. 2002

  12. Language translators programming language into computer language

  13. A Look to the Future • IBM concentrating research efforts on eLiza: • Handle time-consuming maintenance • Create complex infrastructure • Self-maintaining servers • Able to care for themselves © The McGraw-Hill Companies, Inc. 2002

  14. © The McGraw-Hill Companies, Inc. 2002

More Related