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Information Systems Today: Managing in the Digital World TB2-1 2 Technology Briefing Information Systems Software COIS11011 P/O WEEK 4.

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Presentation on theme: "Information Systems Today: Managing in the Digital World TB2-1 2 Technology Briefing Information Systems Software COIS11011 P/O WEEK 4."— Presentation transcript:

1 Information Systems Today: Managing in the Digital World TB2-1 2 Technology Briefing Information Systems Software COIS11011 P/O WEEK 4

2 Information Systems Today: Managing in the Digital World TB2-2 Learning Objectives

3 Information Systems Today: Managing in the Digital World TB2-3 Key IS Software Components Software o Programs o Sets of instructions o Allow the hardware components in the computer system to communicate Two basic types: o Systems Software/Operating System o Application Software

4 Information Systems Today: Managing in the Digital World TB2-4 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

5 Information Systems Today: Managing in the Digital World TB2-5 Operating System Coordinates: o peripherals o application software o users Also used in embedded devices Written in assembly language Performs day-to-day operations

6 Information Systems Today: Managing in the Digital World TB2-6 The OS Acts as a Manager

7 Information Systems Today: Managing in the Digital World TB2-7 Interfaces: Command vs. GUI Provided by operating system Interface Types: o Command-based interface o Menu interface list of options o Graphical user interface (GUI)

8 Information Systems Today: Managing in the Digital World TB2-8 Graphical User Interface Examples: o Windows Vista o Mac OS X

9 Information Systems Today: Managing in the Digital World TB2-9 Common Operating Systems

10 Information Systems Today: Managing in the Digital World TB2-10 Utility Programs Manage computer resources and files Examples: o Backup o Data compression o Antivirus o Media players

11 Information Systems Today: Managing in the Digital World TB2-11 Learning Objectives

12 Information Systems Today: Managing in the Digital World TB2-12 Application Software For performing specific user tasks o Writing a business letter o Processing payroll Two Types o Customized (proprietary) software Developed specifically by or for a particular organization o Commercial software Purchased off the shelf

13 Information Systems Today: Managing in the Digital World TB2-13 Customized Application Software Software developed in-house Advantages: o Customizability A kiosk in a retail store to help shoppers o Problem specificity – the company pays only for specific features Unique types of required reports

14 Information Systems Today: Managing in the Digital World TB2-14 Off-the-Shelf Application Software A.K.A. packaged software Support common business processes Advantages: o Less costly o Faster to produce o Higher quality o Less risky Customized and off-the-shelf applications can be combined

15 Information Systems Today: Managing in the Digital World TB2-15 Examples of IS Application Software

16 Information Systems Today: Managing in the Digital World TB2-16 Productivity Software Word Processor o MS Word, OpenOffice Writer Spreadsheet o MS Excel, OpenOffice Calc Database management o MS Access, OpenOffice BASE Presentation Software o MS PowerPoint, OpenOffice Impress

17 Information Systems Today: Managing in the Digital World TB2-17 Productivity Software (II) o MS Outlook, Mozilla Thunderbird Web browser o MS Internet Explorer, Mozilla Firefox Chat o MS Live Messenger, Yahoo! Messenger Calendar and contact management o Lotus Notes, MS Outlook

18 Information Systems Today: Managing in the Digital World TB2-18 Open-Source Software Source code is freely available for o use and/or o modification Examples: o Operating systems – Linux o Web browsers – Firefox o Secure connection standard – OpenSSL o Personal productivity software – OpenOffice

19 Information Systems Today: Managing in the Digital World TB2-19 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


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