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Technology Briefing

2. COIS11011 P/O WEEK 4. Technology Briefing. Information Systems Software. Learning Objectives. Key IS Software Components. Software Programs Sets of instructions Allow the hardware components in the computer system to communicate Two basic types: Systems Software/Operating System

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Technology Briefing

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  1. 2 COIS11011 P/O WEEK 4 Technology Briefing Information Systems Software Information Systems Today: Managing in the Digital World

  2. Learning Objectives Information Systems Today: Managing in the Digital World

  3. Key IS Software Components • Software • Programs • Sets of instructions • Allow the hardware components in the computer system to communicate • Two basic types: • Systems Software/Operating System • Application Software Information Systems Today: Managing in the Digital World

  4. Systems Software • Controls the basic operations of computer hardware • Common functions: • Booting • Reading programs into memory • Managing program and file storage • Maintaining the structure of directories • Formatting disks • Controlling the computer monitor • Sending documents to the printer Information Systems Today: Managing in the Digital World

  5. Operating System • Coordinates: • peripherals • application software • users • Also used in embedded devices • Written in assembly language • Performs day-to-day operations Information Systems Today: Managing in the Digital World

  6. The OS Acts as a Manager Information Systems Today: Managing in the Digital World

  7. Interfaces: Command vs. GUI • Provided by operating system • Interface Types: • Command-based interface • Menu interface • list of options • Graphical user interface (GUI) Information Systems Today: Managing in the Digital World

  8. Graphical User Interface • Examples: • Windows Vista • Mac OS X Information Systems Today: Managing in the Digital World

  9. Common Operating Systems Information Systems Today: Managing in the Digital World

  10. Utility Programs • Manage computer resources and files • Examples: • Backup • Data compression • Antivirus • Media players Information Systems Today: Managing in the Digital World

  11. Learning Objectives Information Systems Today: Managing in the Digital World

  12. Application Software • For performing specific user tasks • Writing a business letter • Processing payroll • Two Types • Customized (proprietary) software • Developed specifically by or for a particular organization • Commercial software • Purchased off the shelf Information Systems Today: Managing in the Digital World

  13. Customized Application Software • Software developed “in-house” • Advantages: • Customizability • A kiosk in a retail store to help shoppers • Problem specificity – the company pays only for specific features • Unique types of required reports Information Systems Today: Managing in the Digital World

  14. Off-the-Shelf Application Software • A.K.A. packaged software • Support common business processes • Advantages: • Less costly • Faster to produce • Higher quality • Less risky • Customized and off-the-shelf applications can be combined Information Systems Today: Managing in the Digital World

  15. Examples of IS Application Software Information Systems Today: Managing in the Digital World

  16. Productivity Software • Word Processor • MS Word, OpenOffice Writer • Spreadsheet • MS Excel, OpenOffice Calc • Database management • MS Access, OpenOffice BASE • Presentation Software • MS PowerPoint, OpenOffice Impress Information Systems Today: Managing in the Digital World

  17. Productivity Software (II) • Email • MS Outlook, Mozilla Thunderbird • Web browser • MS Internet Explorer, Mozilla Firefox • Chat • MS Live Messenger, Yahoo! Messenger • Calendar and contact management • Lotus Notes, MS Outlook Information Systems Today: Managing in the Digital World

  18. Open-Source Software • Source code is freely available for • use and/or • modification • Examples: • Operating systems – Linux • Web browsers – Firefox • Secure connection standard – OpenSSL • Personal productivity software – OpenOffice Information Systems Today: Managing in the Digital World

  19. OSI Certification • Author of source code cannot collect royalties • Source code accessible to users • Modifications under original name allowed • No one denied access to program • Rights attached to program must not depend on it being part of a particular software distribution • Software cannot place restrictions on other software that is distributed with it Information Systems Today: Managing in the Digital World

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