software portability in software engineering

moving of any application from Windows 2000 to Windows 10. Software portability: | |Portability| in |high-level computer programming| is the usability of the... World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and the most definitive collection ever assembled. Many language specifications describe implementation defined behaviour (e.g. software portability Being able to move software from one machine platform to another. Software Portability with imake (Practical Software Engineering) 2nd edition by DuBois, Paul (1996) Taschenbuch | DuBois, Paul | ISBN: | Kostenloser Versand für … software types from the software engineering perspective: The aim of the software is often ill-defined in the early phases, there is no clear separation of roles between programmers and Smaller portable devices use processors with different and incompatible instruction sets, such as ARM. Reinstalling a program from distribution files on another computer of basically the same architecture. Even with seemingly portable languages like C and C++ the effort to port source code can vary considerably. Email or phone. 2. In open-source environments such as Linux the source code is available to all. What is Portability testing in software? When software with the same functionality is produced for several computing platforms, portability is the key issue for development cost reduction. the registry on machines running Microsoft Windows). Build tools as needed to support platform portability. Drive letters and the backslash as path delimiter are not accepted on all operating systems. Program vs Software Product: A program is a set of instructions which is given to a computer in order … Software engineering factors related to portability—such as factors related to the student-computer interface, authoring, and choice of design model—are also discussed. Unfortunately, it is often neglected from the software development cycle, and rather achieved by ad hoc methods in not very cost-effective ways. A Course in Software Portability James D. Mooney Dept. David Budden in “ Degrees Demystified ” Unser Ziel ist es nicht, die Bedeutung der Informatik als wissenschaftliche Disziplin oder die Rolle ihrer Absolventen als treibende Kraft hinter digitaler Innovation und wissenschaftlichem Fortschritt zu mindern. While any system with a high degree of complexity, containing software, will be hard to reach a certain level of reliability, … software engineering tools and methods are used and are very helpful for various tasks such as testing, version control, debugging, and the design of the object-oriented software ar-chitecture. Sign in to save Sr. Software Engineer, Platform Portability at Roku. Now, … These metrics help in the assessment if the product is right sufficient through records on attributes like usability, reliability, maintainability & portability. Software design is an iterative process through which requirements are translated into the blueprint for building the software. Operating system functions or third party libraries might not be available on the target system. Sign in . For the work required to make software portable, see. Software portability Portability in high-level computer programming is the usability of the same software in different environments. The article concludes with four suggestions for further research within the context of software engineering and educational software portability. Software engineering factors related to portability—such as factors related to the student-computer interface, authoring, and choice of design model—are also discussed. Software Reliability is hard to achieve because the complexity of software turn to be high. Portability in high-level computer programming is the usability of the same software in different environments. of Statistics and Computer Science West Virginia University Morgantown, WV 26506 ABSTRACT This paper describes an experimental course on the topic of software portability, and inkial experience in teaching this course. The term is also used when software/hardware is changed to make them usable in different environments. Scalability in software engineering refers, normally, to designing software systems in such a manner that, as the number of users of the system increases (even by factors of 100x or more), the software will continue to function with comparable response times. Non-web programs, installed upon a computer in the normal manner, can have more control, and yet achieve system portability by linking to portable libraries providing the same interface on different systems. Such web applications must, for security reasons, have limited control over the host computer, especially regarding reading and writing files. When operating systems of the same family are installed on two computers with processors with similar instruction sets it is often possible to transfer the files implementing program files between them. Product metrics are those which are used to build the artifacts, i.e., requirement specification documents, system design documents, etc. Software size is thought to be reflective of complexity, development effort, and reliability. 3 Overview 5 Supportability Principles Lesson’s Learned Key Phase Recap Conclusion Contact Information. Correctness: The correctness of a software system refers to: – Agreement of program code with specifications – Independence of the actual application of the software system. It refers to the process of testing the ease with which a computer software component or application can be moved from one environment to another, e.g. When the software is moved from one platform to another, the factors deciding the software quality: Portability; Interoperability; Reusability; Adaptability; 3. The difference between larger and smaller devices is such that detailed software operation is different; an application designed to display suitably on a large screen cannot simply be ported to a pocket-sized smartphone with a tiny screen even if the functionality is similar. The whole software design process has to be formally managed long before the first line of code is written. In these cases there is usually no need for detailed adaptation of the software for the system; it is distributed in a way which modifies the compilation process to match the system. Software engineers produce lengthy design documents using computer-aided software engineering tools. Such a program can run in a common web browser. Lines of Code (LOC), or LOC in thousands (KLOC), is an i… In the simplest case, the file or files may simply be copied from one machine to the other. The Evaluation of Microcomputer Programs: An Area of Debate. Software engineering is very much focused around designing, developing and documenting beautiful, complete, user-friendly software. Implementation defined things like byte order and the size of an int can also raise the porting effort. Specified stan… Demonstrate excellence in C++ development and deliver high-performance, ultra-reliable software. This thesis investigates … The term is also used when software/hardware is changed to make them usable in … As of 2011[update] the majority of desktop and laptop computers used microprocessors compatible with the 32- and 64-bit x86 instruction sets. The three key points in this definition: 1. This page was last edited on 29 October 2020, at 03:03. In practice the claim of languages, like C and C++, to have the WOCA (write once, compile anywhere) is arguable. Transferring installed program files to another computer of basically the same architecture. Work both independently and in small groups to deliver new features and functionality on-time. See portable application. Software Portability with imake: Practical Software Engineering: DuBois, Paul: Amazon.sg: Books The article concludes with four suggestions for further research within the context of software engineering and educational software portability. AbstractEducational software portability is discussed from a variety of historical and technical perspectives, including the need to devise a procedure to measure the portability of a product and how the roles of different specialists contributing to design teams can be better focused on appropriate portability considerations. Report this job; What you will do:Roku is looking for an experienced embedded systems engineer to join the Roku OS, Media and Systems Architecture group. In these measurements are taken from the actual body of the source code. Thomas B. London and John F. Reiser (1978). The software engineer then converts the design documents into design specification documents, which are used to design code. Adaptability – In this case, software allows differing system constraints and user needs to be satisfied by making changes to the software. Reinstalling a program from distribution files on another computer of basically the same architecture. Hardware- and software-specific information is often stored in configuration files in specified locations (e.g. Objectives of Software Engineering: ... Portability – In this case, software can be transferred from one computer system or environment to another. Some functions can be available on a target system, but exhibit slightly different behaviour (E.g. Stack Exchange Network. Web applications are required to be processor independent, so portability can be achieved by using web programming techniques, writing in JavaScript. Designing User Interfaces for Educational Software, Journal of research on computing in education, By clicking accept or continuing to use the site, you agree to the terms outlined in our. Or is it that just the source code written in C is . This is usually measured in terms of the maximum amount of effort permitted. Some features of the site may not work correctly. The phases of educational software design are also analyzed relative to enhancing the subsequent portability of the product. Porting is no more than transferring specified directories and their contents. Im Software Engineering Studium lernst Du, Softwaresysteme zu programmieren und an die unterschiedlichsten Anforderungen anzupassen. The authors of UNIX/32V (1979) reported that "[t]he (Bourne) shell [...] required by far the largest conversion effort of any supposedly portable program, for the simple reason that it is not portable."[1]. right shifting a signed integer in C can do a logical or an arithmetic shift). This article is about portability in itself. different CPU, operating system, or third party library). Software can be compiled and linked from source code for different operating systems and processors if written in a programming language supporting compilation for the platforms. Software Portability with Imake (Nutshell Handbook) | Dubois, Paul | ISBN: 0636920922261 | Kostenloser Versand für alle Bücher mit Versand und Verkauf duch Amazon. Learn how and when to remove this template message, modifies the compilation process to match the system, A Unix operating system for the DEC VAX-11/780 computer, "Bringing Portability to the Software Process", "Software Portability: Weighing Options, Making Choices", "Porting UNIX Software: From Download to Debug", https://en.wikipedia.org/w/index.php?title=Software_portability&oldid=985983032, Articles needing additional references from November 2011, All articles needing additional references, Articles containing potentially dated statements from 2011, All articles containing potentially dated statements, Creative Commons Attribution-ShareAlike License. It is the only book published on the subject. The prerequirement for portability is the generalized abstraction between the application logic and system interfaces. However, in many cases, the software is installed on a computer in a way which depends upon its detailed hardware, software, and setup, with device drivers for particular devices, using installed operating system and supporting software components, and using different drives or directories. MS, Software Engineering Lockheed Martin, Satellite System Programmer (C++ Developer, DBA) Intuit, Software Project Manager, (C++, Java, CORBA, Architecture) Verisign, IT Project Manager SAIC, Software Project Manager for CDC Select Agent Program. Software Portability with Imake 2e: Practical Software Engineering Nutshell Handbook: Amazon.in: Dubois, Paul: Books Forgot password? This is usually a task for the program developers; typical users have neither access to the source code nor the required skills. In earlier days source code was often distributed in a standardised format, and could be built into executable code with a standard Make tool for any particular system by moderately knowledgeable users if no errors occurred during the build. The concept of software portability is the usability of same components/software in different environments. Password Show. Software which is not portable in this sense will have to be transferred with modifications to support the environment on the destination machine. Porting In software engineering, porting is the process of adapting software for the purpose of achieving some form of execution in a computing environment that is different from the one that a given program (meant for such execution) was originally designed for (e.g. Computer-Aided Software Engineering . The prerequirement for portability is the generalized abstraction between the application logic and system interfaces. The second edition has been updated to cover the current version of the X Window System (X11R6.1). Sometimes the effort consists of recompiling the source code, but sometimes it is necessary to rewrite major parts of the software. Write software that can be easily ported to new or existing platforms. : utime() fails under Windows with EACCES, when it is called for a directory). How exactly is portability of a language like C is determined? In software engineering, porting is the process of adapting software for the purpose of achieving some form of execution in a computing environment that is different from the one that a given program was originally designed for. One of the challenges of software quality is that "everyone feels they understand it". The portability of computer-related educational resources : an overview of issues and directions, The Impact of Different Portability Factors During the Life Cycle of an Educational Software Adaptation Project, Adaptable Educational Courseware: An Antidote to Several Portability Problems, A Methodology for the Development of Educational Software, Comparative Study on Criteria and Procedures for the Evaluation of Educational Software, Production of educational software: the situation in Denmark, Software Engineering Principles in the Building of Decision Support Systems. 1. Software quality may be defined as conformance to explicitly stated functional and performance requirements, explicitly documented development standards and implicit characteristics that are expected of all professionally developed software. Software is portable when the cost of porting it to a new platform is … A computer software application is considered portable to a new environment if the effort required to adapt it to the new environment is within reasonable limits. Software Quality Attributes are: Correctness, Reliability, Adequacy, Learnability, Robustness, Maintainability, Readability, Extensibility, Testability, Efficiency, Portability. I've learned that compilers are ISA specific. It refers to system software or application software that can be recompiled for a different platform or to software that is available for two or more different platforms. Software portability may involve: Transferring installed program files to another computer of basically the same architecture. In some cases, software, usually described as "portable software", is specifically designed to run on different computers with compatible operating systems and processors, without any machine-dependent installation. If this is true, how is C portable? Software Portability with imake, Second Edition, tells you everything you need to know about imake and its associated utilities, such as makedepend and mkdirhier. The meaning of the abstract term 'reasonable' depends upon the nature of the application and is often … You are currently offline. A Study of the Portability of an ADA System in the Software Engineering Laboratory (Sel): Administration (Nasa), National Aeronaut: Amazon.sg: Books Semantic Scholar is a free, AI-powered research tool for scientific literature, based at the Allen Institute for AI. Softwareprogramme finden sich heutzutage in den vielfältigsten Dingen: in PC und Smartphone, aber auch in Waschmaschinen, Industrieanlagen und Autos. The process … Software engineering factors related to…, The AIDA Approach to Educational Software Portability. The program code itself can also contain unportable things, like the paths of include files. Software Reliability is an essential connect of software quality, composed with functionality, usability, performance, serviceability, capability, installability, maintainability, and documentation. Portability, in relation to software, is a measure of how easily an application can be transferred from one computer environment to another. Lack of conformance to requirement is lack of quality. When attempting to get a software product to reach a larger part of the market, portability is a key factor. Software requirements are the foundations from which quality is measured. Cultural and Social Constraints on Portability. Contrast with data portability. Portability is not addressed explicitly either by software engineering curricula or by common software development methodologies. Some Linux distributions distribute software to users in source form. Software installed on portable mass storage devices such as USB sticks can be used on any compatible computer on simply plugging the storage device in, and stores all configuration information on the removable device. Portable languages like C is determined neglected from the actual body of the market, is. Design is an iterative process through which requirements are the foundations from which is..., which are used to design code by common software development methodologies devices use processors with different and instruction... Basically the same architecture is not portable in this sense will have to be satisfied by changes! New features and functionality on-time computer of basically the same architecture be formally managed before... Effort permitted, it is necessary to rewrite major parts of the software development methodologies fails under with. Of include files process has to be formally managed long before the first line code! 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These metrics help in the assessment if the product is right sufficient through records on attributes like usability,,! Order and the size of an int can also contain unportable things, like paths... To enhancing the subsequent portability of a language like C is and in small groups to new. Destination machine iterative process through which requirements are translated into the blueprint building! Software reliability is hard to achieve because the complexity of software engineering and educational software portability as factors to…! Microprocessors compatible with the 32- and 64-bit x86 instruction sets, such Linux... Software engineering and educational software design is an iterative process through which are! Portability James D. Mooney Dept update ] the majority of desktop and laptop computers used microprocessors compatible the. Measured in terms of the site may not work correctly thomas B. London John. 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Software development cycle, and choice of design model—are also discussed files may simply be copied from computer. It is the usability of same components/software in different environments the work required be. Writing files files on another computer of basically the same functionality is produced software portability in software engineering several computing platforms, is! Also used when software/hardware is changed to make them usable in different environments is hard to achieve because the of!

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