dasturiy ta’minot tizimini loyihalash

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o‘zbekiston respublikasi axborot texnologiyalari va kommunikatsiyalarini rivojlantirish vazirligi muhammad al‑xorazmiy nomidagi toshkent axborot texnologiyalari universiteti “dasturiy ta’minot tizimini loyihalash ” fanidan mustaqil ish mavzu: 37. loyihalashning vizual modellarini qurish. topshirdi: 318-20 guruh talabasi najmiddinov shaxzodbek toshkent – 2022 y. abstract this work explains the fundamental principles for simplifying and improving visual modeling. it builds on previous work presented in [1]. sections i to ii discuss software and system development, different types of techniques and modeling approaches are used. visual modeling is suited to developing systems because these notations are understandable by different stakeholders. visual modeling can make use of graphs. the paper structured as described: i. introduction: information and software systems require the use of methods and notations for proper representation. unfortunately many users do not appreciate the need for creating suitable and aesthetically good diagrammatic notations ii. motivation and some background: different modeling notations can be used to model …

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presentation. vi. discussion and fundamental issues: explains the validity of the toy examples and how this can be extended to other models. several problems still remain and these are not straightforward to solve. these issues are explained in this part. vii. concluding remarks: summarizes the paper and explains other issues that can be tackled in the future. many of the principles and ideas presented in this work can be used to improve other domains of computing and even other fields of computer engineering. keywords: diagrammatic notations, software engineering, requirements engineering, visual modeling introduction by using the term visual modeling it is implied that this is a key principle for information systems analysis, software, hardware design and computer engineering research. modeling makes use of several forms of system representation which can be grouped into i) visual modeling and ii) formal modeling. several formal and semi-formal methods, notations and design methods have …

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ctivity of creating valuable structures that capture the behaviour or composition of a system. this is an intellectual activity that adds value and involvesstructures that either i) exist or are ii) planned to create more knowledge and value about them [1]-[16]. many different methods and notations are presented in literature and the motivation of this work is to improve the selection and use of these notations. the ideas will help to improve representation. diversity in notations used for representing modern software development happens because of the different types of requirements and complexity issues. new problems and challenges are being created all the time. certain modeling structures that are universally accepted and understood are normally used for normal stakeholder comprehension. class diagrams are an example of this [7], [8]. new structures might have to be created for particular scenarios. formal models that are non-visual are shunned by stakeholders being unfamiliar with …

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and platforms etc. require proper management. creating good software does not only imply successful coding but involves several other structures and sound modeling principles [3]. these can be extended to the gui creation, interfacing, usability, safe levels of the system, etc. these factors must be considered for the success of the software artifact.modeling issues tend to be neglected and are not properly understood by many stakeholders in development. this is obvious when good programs that are created require to be developed again from scratch because some important issues were not implemented or considered. even in modern technologies it is possible to get some high end device that has a poor ui (user interface) layout or software that is too tedious to operate or gives unforeseen errors in some state that was unaccounted for. good models should promote reuse. they should be restrictive, descriptive, suggestive and self-explanatory. for comprehension it should …

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l education in modeling. the user learns to use models indirectly in his education and work experience. the skill of modeling is not taught. the problem is that normally no systematic approach to modeling has been presented and the importance of modeling as a topic in its own right is ignored. then with work experience the user stands a better chance of selecting the right model for the job and appreciate the use of robust modeling. in many occasions the use of models is overlooked for various reasons like lack of time or prohibitive costs. there is a lack of instruction at different levels on how to produce suitable models. analysts and developers are in a rush to get done with the application and solve problems i.e. the creation of models could be prohibitively time consuming. the result of having a quick implementation comes at the expense of proper comprehension …

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o‘zbekiston respublikasi axborot texnologiyalari va kommunikatsiyalarini rivojlantirish vazirligi muhammad al‑xorazmiy nomidagi toshkent axborot texnologiyalari universiteti “dasturiy ta’minot tizimini loyihalash ” fanidan mustaqil ish mavzu: 37. loyihalashning vizual modellarini qurish. topshirdi: 318-20 guruh talabasi najmiddinov shaxzodbek toshkent – 2022 y. abstract this work explains the fundamental principles for simplifying and improving visual modeling. it builds on previous work presented in [1]. sections i to ii discuss software and system development, different types of techniques and modeling approaches are used. visual modeling is suited to developing systems because these notations are understandable by different stakeholders. visual modeling can make use of graphs. the paper...

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