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| Software reliability Software reliability is one of a number of aspects of computer software which can be taken into consideration when determining the quality of the software. Although the term "quality" could connote a subjective ¡ª as in, qualitative ¡ª evaluation, software reliability is generally meant to be measured using objective criteria. These measured criteria are typically called metrics ...more
Software Suggestions The Programs You'll Need for Your Online Class.In order to get the most out of your online classes, you'll need to have the proper software installed on your computer. Some computers are sold with software bundles and already have the software installed on their hard drive...more
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Software
It wasn’t too long ago that applications were designed, developed, and deployed on a single machine. For those of you that can remember the early days of the personal computer era, things like dbase, FoxBASE, and the like might ring a bell. Everything ran on the same machine -- the user interface, the business rules, and the database services.
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Then along came local area networks, which ushered in the era of clientserver applications. Now the user interface and the business rules sat on the PC and sent requests to a client-server DBMS such as Oracle or SQL Server, while on the server side, records were processed and results were returned to the client.As LANs matured and their reliability improved, application development went through yet another evolution, namely, the advent of 3-tier architecture. This transformation resulted in the user interface, business rules, and data services each becoming its own independent logical element in the application architecture. The physical world may have implemented each element on a separate machine, but that was not required.
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