on a “buzzword” hierarchical structure. cs-575 software design, team 12 team 1 cs575 –...
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![Page 1: On a “Buzzword” Hierarchical Structure. CS-575 Software Design, Team 12 Team 1 CS575 – Software Design Bob Hazen, Mike Mangos, Tim Santucci, Chris Dahn](https://reader035.vdocuments.mx/reader035/viewer/2022071807/56649e435503460f94b36920/html5/thumbnails/1.jpg)
On a “Buzzword”
Hierarchical Structure
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CS-575 Software Design, Team 1
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Team 1
CS575 – Software DesignBob Hazen, Mike Mangos, Tim
Santucci, Chris Dahn
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Historical Context
1974 No GUIsNo IDEsOnly thing available is code and imagination.
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Buzzwords
Parnas uses “hierarchical structures” as his exampleAlone, buzzwords do not convey information Remove definition from a technical
explanation
How do buzzwords occur? Ambiguity – Can mean different things to
different people
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Structures
T.H.E. system Program hierarchy, abstract machines Haberman hierarchy, work relationship
RC4000 Resource hierarchy
Multics Access hierarchy, protection hierarchy
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Structure Happens
IntentionalAnalytical heuristic After the fact
How are they useful? (T.H.E.) Structure is irrelevant to the
machine, only useful to the developers (RC4000) Structure is relevant to the
operation of the machine, not necessarily useful to the developers
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Object Oriented Programming
SmalltalkC++JavaC?
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Smalltalk
“Pure” OOP
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C++
EncapsulationPolymorphismInheritanceFriends
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Java
EncapsulationPolymorphismInheritance
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C
Supposedly not OOPGTK library button struct used as argument to
generic click() function
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Commercial Off The Shelf Software
Types of COTS Software End user applications System components Libraries
Beliefs Management Developer End User
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Beliefs: Management
Cheap Economies of scale Outsourcing the programming
Reliable
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Beliefs: Developer
More expensive Learning to work with it Verify versions of COTS Software
Not always flexible Buggy binary libraries Poor documentation
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Beliefs: End User
Expects it to work “off the shelf” Compounded SE problems
User may need to provide COTS Software Compatibility issues Web of dependencies
Redhat Linux RPMs
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Moral
Must be clear, concise and intelligent Buzzwords are inevitable
Okay, in the proper context Don’t take things for granted
“Hierarchical structures” was holding back software architectureQuestioning popular modes of thinking eliminates stale ideas
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“Artificial Intelligence”
Turing TestSearch AlgorithmsMachine Vision
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Turing Test
What is it? Communication using natural
language
Implementation is variableMimics human behavior
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Search Algorithms
Deep Blue vs. KasparovFocuses on single best answer/moveImplementation is specificMimics human decision making
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Machine Vision
Face recognitionFocused on pattern recognitionMimics human visual recognition