1. TECHNOLOGY GUIDE 2: Software 1

2. 2 TG2.1 Introduction to Software TG2.2 Software Issues TG2.3 Systems Software TG2.4 Application Software TECHNOLOGY GUIDE 2: SOFTWARE Copyright John Wiley & Sons Canada

3. 3 LEARNING OBJECTIVES 1.Discuss the major software issues that confront modern organizations. 2.Analyze the advantages and disadvantages of open- source software. 3.Differentiate between the two major types of software. 4.Describe the general functions of the operating system. 5.Identify the major types of application software. Copyright John Wiley & Sons Canada

4. 4 TG2.1 INTRODUCTION TO SOFTWARE Software Computer program Documentation Systems software Application software Copyright John Wiley & Sons Canada

5. 5 TG2.2 SOFTWARE ISSUES Software Defects Software Licensing Open Systems Open-source Software Copyright John Wiley & Sons Canada

6. 6 OPEN-SOURCE SOFTWARE Advantages –High quality –Reliability –Flexibility –Low Cost Disadvantages –Cost of maintenance –Ease of use –Training costs –Compatibility Copyright John Wiley & Sons Canada

7. 7 FIGURE TG 2.1 TYPES OF SOFTWARE Copyright John Wiley & Sons Canada

8. 8 TG2.3 SYSTEMS SOFTWARE Operating system: supervises the overall operation of the computer by monitoring the computer’s status, scheduling operations, and managing input and output processes. Copyright John Wiley & Sons Canada

9. 9 FUNCTIONS OF THE OPERATING SYSTEM Graphical User Interface (GUI): allows users to exercise direct control of the hardware through manipulation of visible objects (such as icons) and actions that replace complex commands. Social Interface: guides the user through computer applications by using cartoonlike characters, graphics, animation, and voice commands. Copyright John Wiley & Sons Canada

10. 10 TG2.4 APPLICATION SOFTWARE Major Types of Personal Application Software –Spreadsheets –Word Processing –Desktop Publishing –Data Management –Presentation –Graphics –Personal Finance –Web Authoring –Communications –Personal Information Management Copyright John Wiley & Sons Canada

11. 11 TECHNOLOGY GUIDE CLOSING 1.Major software issues that confront modern organizations: software licensing and computer program code often contains errors. 2.Advantages of open-source software include high quality, reliability, flexibility and low cost. 3.Disadvantages of open-source software include the cost of maintenance support contracts, ease of use, training users, and compatibility issues. Copyright John Wiley & Sons Canada

12. 12 TECHNOLOGY GUIDE CLOSING (CONTINUED) 4.There are two main categories of software: systems software and application software. 5.Operating systems schedule and process applications (jobs); manage and protect memory; manage the input and output functions and hardware; manage data and files; and provide security, fault tolerance, graphical user interfaces, and windowing. Copyright John Wiley & Sons Canada

13. 13 TECHNOLOGY GUIDE CLOSING (CONTINUED) 6.Major types of application software are spreadsheet, data management, word processing, desktop publishing, graphics, multimedia, communications, speech recognition, and groupware. Copyright John Wiley & Sons Canada

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