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JSD was first presented by Michael A. Jackson in 1982, in a paper called "A System Development Method". [1] and in 1983 in System Development. [2]Jackson System Development (JSD) is a method of system development that covers the software life cycle either directly or, by providing a framework into which more specialized techniques can fit.
The Jackson System Development (JSD) was the second software development method that Jackson developed. [9] JSD is a system development method not just for individual programs, but for entire systems. JSD is most readily applicable to information systems, but it can easily be extended to the development of real-time embedded systems. JSD was ...
Jackson's major insight was that requirement changes are usually minor tweaks to the existing structures. For a program constructed using JSP, the inputs, the outputs, and the internal structures of the program all match, so small changes to the inputs and outputs should translate into small changes to the program.
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Flow-based programming defines applications using the metaphor of a "data factory". It views an application not as a single, sequential process, which starts at a point in time, and then does one thing at a time until it is finished, but as a network of asynchronous processes communicating by means of streams of structured data chunks, called "information packets" (IPs).
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Since Lady Gaga's "Bad Romance" in 2009, every video that has reached the top of the "most-viewed YouTube videos" list has been a music video. In November 2005, a Nike advertisement featuring Brazilian football player Ronaldinho became the first video to reach 1,000,000 views. [1] The billion-view mark was first passed by Gangnam Style in ...