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Software: Off the Shelf and Custom Designed
Thomas Diorio&
Josh Spilewski
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Off-the-Shelf
• Off-the-shelf software refers to software that is mass-produced for use by the general public and made available through online outlets and retail stores.
• Many computers come with software pre-installed, but users typically have needs that require additional software programs.
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Off-the-Shelf
• This type of software provides convenient and fast access to high-quality and thoroughly tested software.
• Off-the-shelf software is used for common computing activities.
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Off-the-Shelf
• Off-the-shelf software gets its name from being available on store shelves. Stores such as Best Buy, Staples, and Wal-Mart provide dozens of software titles in their physical stores.
• These and many other stores stock thousands of software titles in their online stores as well.
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Off-the-Shelf
• Many software applications can be downloaded directly from the retailer, developer, or distributor, and put immediately to use.
• By being able to download directly, avoid going to a store, and compare online prices, many consumers are choosing to shop online and not in a physical location.
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Off-the-Shelf
• When buying software, it is highly important to make sure that the computer you own meets the storage, processor, and memory requirements.
• This information is called the system requirements and can either be found on the box of the product or the website where it is being downloaded.
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Off-the-Shelf
• The downfall to almost all store-bought software is that it cannot be returned.
• Once the box is opened or the software is downloaded from online, there is no way for it to be exchanged, despite any circumstances.
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Off-the-Shelf
• Shareware is a marketing method that allows customers to use software free of charge for a limited time in order to evaluate the software and decide if they wish to purchase it.
• This “try before you buy” model typically allows the consumer 30 days of use before a registration fee is required to continue.
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Off-the-Shelf
• A new model for software distribution is the subscription model.
• With a subscription, instead of purchasing the software for a one-time fee, there is an annual payment for as long the consumer wishes to use the software.
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Off-the-Shelf
• Examples:• Microsoft Office 2010• Norton Internet Security 2011• Adobe Photoshop Elements Version 8
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Custom-Designed Software
So what is Custom-Designed Software?
• Custom-designed software is software created to meet a unique need.
Where is Custom-Designed Software used?
• It is typically used in business and it also can give a business a competitive advantage.
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Custom-Designed SoftwareSo why not use “off the shelf software”?
• When a company decides that it has a need that is not addressed by any commercial off-the-shelf software, it is time to turn to a custom solution.
• An example:
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Custom-Designed Software
So where do you get Custom-Designed Software?
• In some cases in-house software development occurs and the organization’s computer personnel develop the necessary programs.
• A third-party software firm, called a value-added software vendor, may develop or modify a software program to meet the company's needs.
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Custom-Designed Software
For many businesses and organizations, software acquisition involves a combination of purchasing off-the-shelf software, Altering some off-the-shelf software and creating some custom software.
Example: Microsoft Share point
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Custom-Designed Software
So what is happening today?
• Increasingly, companies are turning to a service oriented architecture for custom-designed software
• Service-oriented architecture or “SOA” is a flexible set of design principles used during the phases of systems development and integration in computing
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Custom-Designed Software
• SOA focuses on business processes and software services that communicate with each other, sharing data and activities to accomplish business tasks. SOA is an object-oriented approach to software development that provides businesses with savings and flexibility.
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Custom-Designed Software
• Although custom-designed software can help businesses and institutions to be more efficient and effective, some companies develop software to provide their primary service to the public.
• Companies such as Google, Facebook, Hulu, Twitter, eBay, and the thousands of other online businesses
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Custom-Designed Software
• For these companies, custom-designed software does not just support their products or services, it is their service and product.
• The software is not purchased or installed. • The software provides a service that is accessed over
the Web.
Example• You don’t buy Facebook software; you use Facebook
software on the Web.
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Custom-Designed Software
Why is it so Important?• There are thousands of off-the-shelf software
products out there, but there are many times more custom-designed software packages.
• The world economy depends on innovation in custom-designed software as businesses depend on it to grow, improve services, and work more efficiently.
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References