Software Pioneers: Contributions to Software Engineering

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Springer Science & Business Media, Jun 27, 2002 - Computers - 728 pages
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A lucid statement of the philosophy of modular programming can be found in a 1970 textbook on the design of system programs by Gouthier and Pont [1, l Cfl0. 23], which we quote below: A well-defined segmentation of the project effort ensures system modularity. Each task fonos a separate, distinct program module. At implementation time each module and its inputs and outputs are well-defined, there is no confusion in the intended interface with other system modules. At checkout time the in tegrity of the module is tested independently; there are few sche duling problems in synchronizing the completion of several tasks before checkout can begin. Finally, the system is maintained in modular fashion; system errors and deficiencies can be traced to specific system modules, thus limiting the scope of detailed error searching. Usually nothing is said about the criteria to be used in dividing the system into modules. This paper will discuss that issue and, by means of examples, suggest some criteria which can be used in decomposing a system into modules. A Brief Status Report The major advancement in the area of modular programming has been the development of coding techniques and assemblers which (1) allow one modu1e to be written with little knowledge of the code in another module, and (2) alJow modules to be reas sembled and replaced without reassembly of the whole system.

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In 2002, a German company decided to have a conference, to which they invited 16 of the seminal people in Computer Science. Dijsktra, Wirth, DeMarco, Parnas, and 12 others were invited to submit a 2002 perspective on the ideas they'd published in the 1960's and 1970's.
The result is an invaluable historical collection, collecting those essays plus copies of the original articles. After 30 or 40 years, the ideas that 'worked' and the ideas that fell by the wayside have become much more clear. The book also includes in the back 4 DVD's containing a video of each Pioneer's talk.
This is written in 2015. At this time, Software Engineering is in a ferment, with C/C++, Java, Perl, Python, Object Oriented Programming, Functional Programming, Web-Programming, all jostling for position. It's instructive to see how the problems and issues these Pioneers addressed in the early days, are solved (or not yet solved) by the tools of today.


The Meaning of Structured Analysis
Conduct of the analysis phase
The Tools of Structured Analysis
Data Flow Diagrams

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