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Computer Software. Overview of Computer Software Application- Specific Programs System Management Programs General Purpose Application Programs System.

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Presentation on theme: "Computer Software. Overview of Computer Software Application- Specific Programs System Management Programs General Purpose Application Programs System."— Presentation transcript:

1 Computer Software

2 Overview of Computer Software Application- Specific Programs System Management Programs General Purpose Application Programs System Development Programs Application Software System Software Computer Software

3 General-Purpose Application Programs Software Suites and Integrated Packages Oracle E-Business Suite Programs MicrosoftOfficeLotusSmartSuiteCorelWordPerfectOfficeSun Star Office WordProcessorSpreadsheet PresentationGraphics DatabaseManager Personal Info. Manager Word Excel PowerPoint Access Outlook WordPro 1-2-3 Freelance Approach Organizer WordPerfect Quattro Pro Presentations Paradox Corel Central StarWriter StarCalc StarImpress StarBase StarSchedule

4 General-Purpose Application Programs Web Browsers Electronic Mail and Instant Messaging (IM) Word Processing and Desktop Publishing Electronic Spreadsheets Database Management Presentation Graphics Personal Information Managers Groupware – Collaboration Software

5 General-Purpose Application Programs Application Service Providers (ASPs)

6 System Software: Computer System Management Software Interface Between End Users and Computers End Users Application Software System Software Computer Hardware

7 Operating Systems The User Interface Command-Driven Menu-Driven Graphical User Interface

8 Operating Systems User Interface Resource Management Task Management File Management Utilities and Other Functions End User Systems and Network Communications Managing the Use of Hardware Resources Managing the Accomplishment Of Tasks – Managing Data and Program Files Providing a Variety of Support Services

9 Operating Systems Resource Management –Virtual Memory File Management Task Management –Multitasking Microsoft Windows –Windows NT –Windows 2000 –Windows XP –Windows Server 2003

10 Operating Systems UNIX –Solaris by Sun –AIX by IBM Linux –Open-Source Software –Freeware –Red Hat –Novell SUSE Linux –VA Linux Mac OS X

11 Programming Languages Machine Languages Assembler Languages Use Binary Coded Instructions 101010111100110011101011011 Use Symbolic Coded Instructions LOD Y ADD Z STR X

12 Programming Languages High-Level Languages Fourth-Generation Languages Use Brief Statements or Arithmetic X = Y + Z BASIC: X = Y + Z COMPUTE X = Y + Z COBOL: COMPUTE X = Y + Z Use Natural and Nonprocedural Statements SUM THE FOLLOWING NUMBERS

13 Programming Languages Object-Oriented Languages Savings Account Object Withdraw (amount) CurrentAccountBalance Deposit(amount) Print Monthly Statement Get Owner Calculate Interest Get Balance

14 Programming Languages Web Languages and Services HTML XML JAVA –Platform Independence –Program Applets JAVA2 Enterprise Edition Microsoft.NET Software

15 Programming Languages J2EE and.NET Compared

16 Programming Languages Web Services Applications Client Application Web Service is Delivered Back to Client in XML Web Service Components Communicate Via SOAP, an XML-Based Protocol for Connecting Applications and Data Web Services is Translated to XML, Which Acts as a Platform-Neutral Wrapper Uses UDDI Web Services Directory to Locate Desired Web Service


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