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Applications Software: Getting the Work DoneObjectivesApplications SoftwareApplications SoftwareSoftware TypesCustom SoftwareSoftware Types:Packaged or CommercialPC (Packaged) Software CharacteristicsUser-Friendly SoftwareAcquiring SoftwareAcquiring SoftwareAcquiring SoftwareBuying Commercial Software: IndividualsPurchasing Commercial Software: Site LicensePurchasing Commercial Software: Electronic Software DistributionPurchasing Commercial Software: Application Service ProviderTask-Oriented Software:Productivity SoftwareWord ProcessingDesktop PublishingElectronic SpreadsheetsDatabase ManagementGraphicsPresentation GraphicsComputer ArtCommunicationsCommunicationsOther Task SoftwareBusiness SoftwareVertical Market SoftwareSoftware for Workgroups (Groupware)Software for WorkgroupsSoftware for a Small BusinessSoftware for Small BusinessSmall Office, Home Office SOHOApplication Software EthicsEthics and Application SoftwareSoftware PiracyCopying SoftwareSoftware PiracyComputers and PeopleComputers and PeopleComputer ProfessionalsComputer ProfessionalsApplications Software: Getting the Work DoneChapter 210/12/2003Objectives Distinguish between operating systems and applications software List the various methods by which individuals and businesses acquire software List and briefly describe various types of task-oriented software Identify the kinds of software available for both large and small businesses Discuss ethical issues associated with software Describe the functions of various computer professionals10/12/2003Applications Software“Applications” Apply to real-world tasks& Solve user problemsvs.OS that Controls the hardware &Provides services for applications10/12/2003Applications Software Software used to solve a particular problem or perform a particular task10/12/2003Software Types All software is: Written by programmers Takes a lot of time to write and test Custom Software Commercial or Packaged Software10/12/2003Custom Software Specifically tailored to an organization’s needs When requirements and specifications are unique  Organization hires computer programmers (in-house IT organizations or by contract with SW development organization) They design, write, test, and implement software Can be extremely complex and take years to write10/12/2003Software Types:Packaged or Commercial Sold in stores, catalogs, or Web sites Sometimes downloaded from the Internet Package contains one or more CDs or DVDs holding the software Typically contains software documentation Designed to be user-friendly Must be installed Standard or custom installation The setup process copies some or all of the software to the hard disk May require the CD-ROM to be in the drive to run i.e, game software10/12/2003PC (Packaged) Software CharacteristicsPC Software tends to be more: User-friendly Easy Intuitive (to a degree) Minimum training and documentation needed to use On-line help included with most packages After market books helpful to increase proficiencyThen other kinds of software.10/12/2003User-Friendly Software Easy to use Should be intuitive for even a beginning user Can be used with minimum of training and documentation10/12/2003Acquiring Software Freeware -- Author provides it free for all to use Author retains copyright May place restrictions on use May not be altered or redistributed without permission Shareware Copyrighted but freely distributed for a trial period When the trial period is over it may stop working Pay a nominal fee to register with the author Most authors add free documentation, enhancements, support, and updates to encourage people to register10/12/2003Acquiring Software Public-domain software Not copyrighted May be used or altered without permission Generally developed under government grants Common in UNIX systems Open source Free to all Source code is distributed Others may modify and redistribute (which helps to improve the software and increase the features) Popular under the FreeBSD/LINUX OS10/12/2003Acquiring Software Commercial software Used most often Copyrighted Generally costly May not be copied without permission of the manufacturer10/12/2003Buying Commercial Software:Individuals Retail stores Mail order Electronic software distribution10/12/2003Purchasing Commercial Software:Site License Software installed on some or all computers, depending on license terms Customer keeps track of how many users Number of users cannot exceed number of licenses Customer copies and distributes software and manuals to users Some organizations use network licenses Software installed on server License fee based on number of concurrent users10/12/2003Purchasing Commercial Software:Electronic Software Distribution Get software from the Internet Typically freeware and shareware Some commercial software Typical scenario: Download software for trial period Software disables itself after trial period unless you register (pay)10/12/2003Purchasing Commercial Software: Application Service Provider Delivers applications to businesses via the Internet ASP maintains software and data on its systems Customers access applications as needed over the Internet Alternative to creating and maintaining custom software or purchasing packaged software “Rent” software, paying based on usage10/12/2003Task-Oriented Software:Productivity SoftwareMakes work fasterMakes our lives easierMakes work fasterMakes our lives easier10/12/2003Word Processing Uses Most widely used personal computer software Create memos, reports, papers Incorporate graphics into documents Functions Create Edit Format Store Print text and graphics10/12/2003Desktop Publishing Uses Newsletters Reports Brochures Posters Functions Handles high-level publishing needs10/12/2003Electronic Spreadsheets Uses Comparing mortgageinterest rates Preparing budgets Tracking weight loss Keeping grades for class… Functions Manipulates numbers in rows and columns Recalculates the results when a number is changed Allows you to explore the “What if?”10/12/2003Database Management Uses Keep track of a large number of related facts Query the data for specific information Retrieve information in a variety of ways


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UCSC CMPE 003 - Applications Software

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