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Topic: Jackson Structured Programming

	Jackson Structured Programming Glossary
		Program components cannot be reordered in iteration, as they can in selection, to make the posit part appear first in the program text and ensure that quits are implemented as forward branches.
		In the program step the designer forms a single program structure from all of the data structures, and verifies that the program structure is correct.
		The structure verification procedure is used to verify that one structure (such as a program structure) embodies another (such as a data structure).
	ourworld.compuserve.com /homepages/snethercott/JacksonGloss.html (5040 words)

	Structured programming Summary
		Programs written using just the three essential structures are easier to read, write, debug, and maintain compared to those that also use unconditional branching.
		Structured programming therefore is the practice of creating programs using only the three essential structures, while eschewing the use of unconditional branches completely.
		A computer program that has been produced in accordance with the principles of structured programming is a structured program--such a program has a simpler design, is less complex, is more readable, and is easier to maintain.
	www.bookrags.com /Structured_programming (2245 words)

	Jackson Structured Programming (Site not responding. Last check: 2007-11-04)
		JSP (Jackson Structured Programming - not the modern usurper of the acronym!) was invented by Michael Jackson (no, not that Michael Jackson) in 1975.
		Draw data structure diagrams that describe each of the serial data strams input to or output from the program.
		Convert the program from the diagrammatic representation into a textual form and add the conditions to iteration and selection components.
	ourworld.compuserve.com /homepages/snethercott/JacksonIntro.html (123 words)

	Jackson Software Development Methods
		One of the diagrams, called the action structure diagram or entity life history diagram is a JSP structure diagram put to a new use.
		In JSP, structure diagrams are used to describe data structures and program structures.
		So the structure of events in the life of the real-world entity, and the data structure of the stream of event-messages that the real world entity sends into the information system, are the same.
	www.ferg.org /jsp_and_jsd/faq.html (2486 words)

	[No title]
		The program structure is then based upon the composition of these data structures instead of the stepwise refinement of functions.
		Jackson Structured Programming (JSP) is the most commonly used program design method in the UK, and is used particularly for the detailed design of commercial applications [Thompson89,90].
		Structured Design is described in texts as being applicable to systems design, program modularisation and detailed program design, but no clear boundaries are defined within the method to identify the transition from one stage to another, or to limit the level of detail to be included within a structure chart.
	osiris.sunderland.ac.uk /~cs0hed/campbell/chap-2.htm (2852 words)

	A Survey of Major Software Design Methodologies
		JSP, developed by Michael Jackson (1975), is a systematic process of mappin g the structure of a problem to a program structure.
		Structure clashes arises when the correspondence of nodes in the input and output data structures cannot be determined.
		Backtracking involves saving the state of the program before each processing seq uence and if it is found that a processing sequence is incorrect, the program state is reset back to the state prior to this processing sequence.
	userpages.umbc.edu /~khoo/survey2.html (5045 words)

	EE2.sad: Exercise solutions (Site not responding. Last check: 2007-11-04)
		Two possible solutions: Sketch the Jackson Structure Diagram for the example HTML file.
		Solution 3.3.2: Produce an annotated sketch and then the logical data structure for a file of self-adhesive labels where the labels are "3-up" across the page.
		Solution 4.3.1: It is required to produce a duplicate file with one extra record at the end containing a count of the machine that are due for replacement.
	www.ee.surrey.ac.uk /Personal/P.Jackson/ee2.sad/solution.html (151 words)

	Jackson System Development (JSD); Jackson Structured Programming (JSP).
		Jackson System Development can start from the stage in a project when there is only a general statement of requirements.
		Jackson’s first method, Jackson Structured Programming (JSP), is used to produce the final code.
		Often, for convenience or efficiency, we convert programs into subroutines, in effect combining several programs into one, so that a fragment of the network is implemented as a single program.
	www.dsisoft.com /jackson_system_development.html (1178 words)

	Software science lexicon, AH Eden
		The main idea is to regard a program as a communication to human beings rather than as a set of instructions to a computer.
		A useful programming language must therefore be suited for both description (i.e., for human writers and readers of programs) and for computation (i.e., for efficient implementation on computers).
		Programming today is a race between software engineers striving to build bigger and better idiot-proof programs, and the Universe trying to produce bigger and better idiots.
	www.eden-study.org /research/lexicon.html (1539 words)

	Chapter 3 - MSc (Computer Science) Dissertation (Site not responding. Last check: 2007-11-04)
		Jackson proposed a useful way of representing the structure of a program, hence, Jackson Structured Programming.
		A structure diagram serves a useful purpose as documentation when the program is complete.
		CGI programs are slowed by the fact that they needed to be into memory every time they are called — that is, they begin from a standing start, every time.
	maotai.dcs.st-and.ac.uk /research/msc_3.htm (8116 words)

	The Use of Literate Program Development Tools (Site not responding. Last check: 2007-11-04)
		Literate Programming, as described by Knuth, is considered by the group to be an excellent method for the production of well-documented, more maintainable and well-designed software.
		Literate programming, as espoused by Knuth [KNU84], was recognised as being a worthy technique [PAR87].
		Because SWR Pascal forces the student to design his program and to think in terms of program structure and the structure of sample data, it has been a useful stumbling block to the unrepentant 'hacker'.
	computing.unn.ac.uk /staff/cgpv1/ulpdt.htm (838 words)

	compilers.net > paedia > cobol
		However by modern standards for programming language definition, it had serious flaws, notably verbose syntax and lack of support for local variables, recursion, dynamic memory allocation, and structured programming.
		Some people think that the use of binary-coded decimal arithmetic in its design happened to make programs designed without provision for the advent of the 2000s particularly vulnerable to failure with the year 2000 problem; however, it is difficult to see why they should have formed this opinion.
		Terse programming languages like C may encourage developers to write code that is hard to understand or debug, but COBOL encourages writing code that is understandable at least at the statement level.
	www.compilers.net /paedia/cobol/index.htm (1143 words)

	Jackson Workbench CASE Tool for JSP and JSD Software Development (Site not responding. Last check: 2007-11-04)
		The KCSL Jackson Workbench is a suite of modern CASE tools that support the Jackson Structured Programming (JSP) and Jackson System Development (JSD) software development methods devised by Michael A. Jackson.
		using JSP Structure Diagrams, JSD System Implementation Diagrams, and for the software source code to then be automatically generated.
		The Jackson Workbench facilitates ongoing development and maintenance of software developed using earlier tools, and also new software development using these respected methods, for example in the Java programming language.
	www.jacksonworkbench.co.uk /index.htm (152 words)

	How far have we come? (Site not responding. Last check: 2007-11-04)
		The prevailing paradigm for programming was functional decomposition with procedural languages.
		At that time many popular design methodologies were tied to CASE tools, including the Jackson Structured Programming (JSP) method and its counterpart, Jackson Systems Development (JSD), both developed by Michael Jackson, who continues to be a thought leader in design methods.
		JSP and JSD, often taught in university software design courses, had a fairly rich notation and accompanying semantics for constructing a system model.
	www.ibm.com /developerworks/rational/library/dec04/pollice/index.html (3336 words)

	Guide to the Galaxy: 6. Design (Site not responding. Last check: 2007-11-04)
		Structured design, developed by Stevens, Myers, and Constantine [Stevens, Myers, and Constantine 74], is a top-down methodology.
		[Jackson 75] as a systematic technique for mapping the structure of a problem into a program structure to solve the problem.
		Command languages and lengthier query or programming languages are the domain of the expert frequent users who often derive great satisfaction from mastering a complex set of semantics and syntax.
	www.cs.colorado.edu /~sanders/cs4308/guide/design (14471 words)

	Programmer Training - Structured Programming - Case Training
		The course is aimed at developers new to programming and teaches the student how to design and test programs using the Jackson Structured Programming methodology.
		Whilst covering the basics of the Jackson Structured Programming methodology and how it is used, this course also aims to give an insight into setting up test plans and writing pseudo code.
		During these sessions the delegate will gain experience of producing many program structures, developing test plans for the programs and producing pseudo code for the programs.
	www.casetraining.co.uk /courses/structured_programming/bt11.html (254 words)

	jackson structured programming xslt - RE: ANN: Amara XML Toolkit 0.9.0
		We seem to be rediscovering co-routines, plus a lot of other machinery from Jackson structured programming.
		It's a powerful solution to the push-pull dilemma, but it does need support at the programming language level (because the process has multiple stacks).
		Of course if you move to a higher level of programming (say XSLT or XQuery) then the push-pull decisions, and the mechanisms used to handle push-pull conflicts, get hidden under the covers and programmers don't need to worry about them.
	www.stylusstudio.com /xmldev/200412/post70600.html (954 words)

	Information Technology Security Evaluation Criteria ( ITSEC )
		Examples of structured design methods including such notations are: the Yourdon Structured Method [YSM], Structured Analysis and Design Technique [SADT], Structured Systems Analysis and Design Method [SSADM], and the Jackson Structured Design [JSD] and Jackson Structured Programming [JSP] methods.
		A good design permits evaluation effort to be concentrated on limited areas of the TOE that contribute to security, and enables the implementation of the security target to be easily followed, as the design is refined into greater and greater detail.
		A library of test programs may be provided that shall contain test programs and tools to enable tests covered by the test documentation to be repeated.
	www.iwar.org.uk /comsec/resources/standards/itsec.htm (14861 words)

	Jackson Software Development Methods (Site not responding. Last check: 2007-11-04)
		JSP (Jackson Structured Programming) was the first software development method that Michael Jackson developed.
		It is a program design method, and was described in his book Principles of Program Design.
		JSP covers the design of individual programs, but not systems.
	www.ferg.org /jackson_methods/index.html (229 words)

	Beyond LEX and YACC (Site not responding. Last check: 2007-11-04)
		Jackson Structured Programming (JSP) [Cameron 1989] is the design methodology used for this example.
		JSP uses diagrams to relate the structure of the input file to the structure of the output file, and places operations according to that relationship.
		Figure 3 gives the structure of the input file: an arbitrary number of set definitions, each consisting of a set name and a set body.
	eli-project.sourceforge.net /usenix_html/Section4.html (1763 words)

	Computer-Aided Software Engineering (CASE) Environments
		Initially the concentration was on program support tools such as translators, compilers, assemblers, macro processors, and linkers and loaders.
		The implications of this are that the structure of the software must enable new functionality to be added easily, and detailed records of the requirements, design, implementation, and testing of the system must be kept to aid maintainers of the software.
		Research in the area of software development processes gave rise to a number of software design methods (e.g., Jackson Structured Programming, the Yourdon Method) that could be used as the basis for software development.
	www.sei.cmu.edu /activities/legacy/case/case_whatis.html (1379 words)

	Jackson Structured Programming - Wikipedia, the free encyclopedia
		Jackson Structured Programming was seen by many as related to Warnier Structured Programming, but the latter method focused almost exclusively on the structure of the output stream.
		As an example, here is how a programmer would design and code a run length encoder using JSP.
		A run length encoder has only one input, a stream of bytes which can be viewed as zero or more runs.
	en.wikipedia.org /wiki/Jackson_Structured_Programming (1091 words)

	COBOL Summary
		COBOL was initially created in 1959 by The Short Range Committee, one of three committees proposed at a meeting held at the Pentagon on May 28 and 29, 1959, organized by Charles Phillips of the United States Department of Defense (exactly one year after the Zurich ALGOL meeting).
		COBOL programs are in use globally in governmental and military agencies, in commercial enterprises, and on operating systems such as IBM's z/OS, Microsoft's Windows, and the Unix/Linux families.
		Near the end of the twentieth century the year 2000 problem was the focus of significant COBOL programming effort, sometimes by the same programmers who had designed the systems decades before.
	www.bookrags.com /COBOL (1738 words)

	Jackson Structured Programming (Site not responding. Last check: 2007-11-04)
		The Jackson Program Design Methodology, sometimes called Jackson Structured Programming (JSP), is a method for program design and modelling "in the small".
		It begins with considerations about what is known and develops a program design that becomes more complete as the model is put through continued iterations.
		Because it builds the program design from an incomplete model, it is termed a "composition type" method.
	c2.com /cgi/wiki?JacksonStructuredProgramming (122 words)

	Memo to Self (Site not responding. Last check: 2007-11-04)
		Michael Jackson's more formal methods, Jackson Structured Programming (JSP) and Jackson Structured Design (JSD) were there too, but weren't as widely used.
		This internal model allowed them, if it was an accurate one, to develop a program that solved the problem correctly and that had a rational internal structure.
		The Red Team was led by a retired US officer who believed in setting general goals for his men and leaving them to use their initiative in getting the job done.
	ose.typepad.com /neils_blog (5445 words)

	JSP editor - Högskolan i Skövde (via CobWeb/3.1 planetlab2.cs.unc.edu) (Site not responding. Last check: 2007-11-04)
		The purpose was to get a Jackson Structured Programming tool that could be used in a programming course given at the department.
		I've made some minor updates to it over the years but the core is from 1998.
		Also note that the source code is not open and it is not allowed to reverse engineer the binaries to make extensions.
	www.his.se.cob-web.org:8888 /templates/vanligwebbsida1.aspx?id=15391 (106 words)

	Structured Programming with COBOL and JSP : Vol 2; Author: Thompson, Barrie; Paperback
		Structured Programming with COBOL and JSP : Vol 2; Author: Thompson, Barrie; Paperback
		Structured Programming with COBOL and JSP : Vol 2
		Although JSP (Jackson Structured Programming) is most often used with the COBOL language, they are usually separately taught.
	www.netstoreusa.com /cbbooks/086/0862382459.shtml (192 words)

	A short history of structured flowcharts
		As a graduate student, I got the idea while attending an ACM organized talk in New York by Michael Jackson on structured programming.
		Nassi, I. and Shneiderman, B., Flowchart Techniques for Structured Programming, SIGPLAN Notices 8, 8 (August, 1973).
		Program Structure Diagrams-- part of a course given at the University of Twente
	www.cs.umd.edu /hcil/members/bshneiderman/nsd (1207 words)

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