1. 2.3.3 Utility Program

2.  Differentiate between the type and usage of utility programmes (files management, diagnostic and file compression)  Differentiate between prosperity and open source software.

3.  Utility Program or service program is a type of system software that allow user to perform maintenance-type tasks, usually related to managing a computer, its device, or its program. Utility Program Stand alone utility Built in

4. Utility ProgramUsageExamplesType File Management To performs functions related to files and disk management Task: -remove file -rename file -delete file Windows Explorer Built-in

5. Utility ProgramUsageExamplesType Diagnostic Utility To compiles technical information about computer’s hardware, system software and provide report. Task: -provide information Norton utilitiesStand-alone utility

6. Utility ProgramUsageExamplesType File Compression To shrink the size of files so they require less storage space and reduce transmission time if we send them over internet Task: -reduce size of file WinZIP,WinRarStand-alone utility

7. Utility ProgramUsageExamplesType Anti VirusTo protect computer against viruses by identifying and removing any computer viruses found in a memory, storage media or incoming files Task - search, detect and remove virus Kaspersky,AVG, Nod32 Stand-alone utility

8. Utility ProgramUsageExamplesType DefragmenterTo reorganizes files and unused space on a computer hard disk Task - Reorganizes data and memory space Disk Defragment, Built in Norton Speed Disk Stand-alone utility

9. Utility ProgramUsageExamplesType Disk ScannerTo detect and corrects both physical and logical problem on a hard disk and searches for and remove unnecessary software Task - Search software for hardware Built in

10. Utility Program Stand AloneBuilt In Windows Explorer Norton Utility WinZip WinRar Kaspersky Defragmenter Disk Scanner

11.  Proprietary Software  “…. The company that developed the software owns the software and no one may duplicate it or distribute it without that company’s permission. Users have to pay the software company if they want to use the proprietary software”  Example of proprietary software: Microsoft Office 2007 Adobe Photoshop CS3 Corel Office X3 Windows Vista

12.  Open Source Software  “…is free to use and which provides the original source code used to create it so that advanced user can modify it to make it work better for them.”  Example of open source software Linux GIMP Mozilla Firefox 2.0 OpenOffice.org

13. Open Source SoftwareProprietary Software Linux Ubuntu OpenOffice.org Write GIMP Windows Vista Microsoft Word 2007 Adobe Photoshop CS3 Purchased wit its source codePurchased without its source code User can get open software for free of charge User must pay to get the proprietary software Users can install software freely into any computer Users cannot modify the software No one is responsible to the software Full support from vendor if anything happened to the software

14. Utility Program Stand AloneBuilt In Software Proprietary Software Open Software Application Software Operating Software