Testing is a process of technical investigation, performed on behalf of stakeholders, that is intended to reveal qualityrelated information about the product with respect to the context in which it is. Software engineering as defined by ieee the application of a systematic, disciplined, quantifiable approach to the development, operation, and maintenance of software. Requirements analysis and definition system and software design implementation and unit testing integration and system testing operation and maintenance the main drawback of the waterfall model is the difficulty of accommodating change after the process is underway. To understand fundamental concepts of requirements engineering and analysis modelling. Simultaneously, the company has open sourced its oml openmatrix language source code. For full details of each course presentation content and pdf book please follow the links in the list below for the individual items. Buy and save 30% on all our maintenance training powerpoint presentations, reliability, maintenance engineering and asset maintenance management training course content and maintenance pdf books. Adaptive maintenance is the implementation of changes in a part of the system, which has been affected by a change that occurred in some other part of the system. Software maintenance in software engineering is the modification of a software product after delivery to correct faults, to improve performance or other attributes a common perception of maintenance is that it is merely fixing bugs.
Introduction to software engineeringdeploymentmaintenance. Incremental model rapid application development model evolutionary model 1. Software engineering lecture 20 software maintenance. Objectives to know various software maintenance models, viz. Free powerpoints free industrial engineering software. Nov 30, 2000 for slides, see lecture 20 lecture 24, legal issues powerpoint html lecture 25, management iii. Implementation and unit testing software design programs or program units integration and system testing integrate and test program units operation and maintenance correct errors, improve system.
Traditional models of software evolution have been with us since the earliest days of software engineering. Cmm was originally developed for software development and maintenance but later it was developed for. Software maintenance software maintenance is the process of changing a system after it has been delivered. Yogi berra capability maturity model cmm a benchmark for measuring the maturity of an organizations software process cmm defines 5 levels of process maturity based on certain key process areas kpa cmm levels level 5. Problems arise when a software generally exceeds timelines, budgets, and reduced levels of quality. Several researches are happening around this topic to increase the durability, strength and performance of this building material. The sdlc process is repeated, with each release adding more functionality until all requirements are met. Software engineering methods rely on a set of basic principles that govern each area of the technology and include modeling activities and other descriptive techniques. Software testing nist f b nist reports software bugs cost annually two of the most common source lack of compatability. Software maintenance is widely accepted part of sdlc now a days. Recognition of the problems of ad hoc software development and maintenance led to the creation of better structured models.
Maintenance management configuration management is an essential part of system maintenance. Altair says it took these actions to help accelerate the time to benefits from modelbased development mbd as well as to make mbd more open and more accessible. Ppt software maintenance powerpoint presentation, free. Preventive maintenance optimization pmo life cycle. Cmm capability maturity model in hindi software engineering. Software engineering is a detailed study of engineering to the design, development and maintenance of software. Definitions the act of keeping, or the expenditure required to keep, an asset in condition to perform efficiently the service for which it is used. Modification of a software product performed after. Sdlc is the process that is used by the organizations for the advancement of the software which includes the design, implementation along with the testing.
To overcome these problems, software maintenance models have been proposed, which include quick fix model, iterative enhancement model, and reuseoriented model. To learn about generic models of software development process. Software engineering software process and software. This power point presentation is of the topic software engineering, it covers the brief information of various software engineering models that are used for developing a software product. May 15, 2018 28 videos play all software engineering tutorials in hindi last moment tuitions sei cmm software engineering duration. Ppt software engineering process models powerpoint. Prototyping spiral model what is software engineering. A comparison of traditional and maintenance models helps to highlight the differences between software development and software maintenance and shows why there is a need for a maintenance conscious process model. The classic software life cycle or waterfall chart and stepwise refinement models are widely instantiated in just about all books on modern programming practices and software engineering.
Mis 2000 class 20 system development process updated 2014. Software web brower, os, or other softwa program on windows vista uncommon inppguts. Somerville another definition of software engineering given by ian somerville. Very often in practice we use programs with poorly designed structures, poor coding, poor logic, and poor documentation often we employ programs created using the best design and techniques at their time, when program size and storage space were principal components. Many plants and facilities have ineffective preventive and predictive maintenance procedures in place. Examining software maintenance processes in small organizations. One of the largest efforts in software engineering has been the design of ada programming language. The modification of a product, after delivery, to correct faults, to improve performance or other attr. Ppt software maintenance powerpoint presentation free. Software engineering software process and software process. Jun 11, 2018 sei cmm in software engineering overview of sei cmm. Software maintenance sustains the software product throughout its life cycle from development to operations.
Developer a wants to make a change and tester b notes a fault. Software engineering was introduced to address the issues of lowquality software projects. The requirements are divided into groups at the start of the project. Incremental model is a process of software development where requirements are broken down into multiple standalone modules of software development cycle. Software products may be developed for a particular customer or may be developed for a general market. Software engineering software maintenance geeksforgeeks. This stream of engineering is getting noticed and popular nowadays due to public awareness and resource conservation campaigns. Very often in practice we use programs with poorly designed structures, poor coding, poor logic, and poor documentation. As the user has proper knowledge of the software system, it becomes easier to maintain the software system without having need to manage the detailed documentation. Powerpoint presentations on civil engineering civil ppt.
It is aided with version control tools to control versions, semiversion or patch management. By combining all the above definition we can define software engineering as, software engineering is the technological and managerial discipline concerned with systematic production and maintenance of software products that are developed and modified on time and within cost estimates. The spiral model is a realistic approach to the development of largescale systems. Software testing it is the process used to help identify the correctness, completeness, security, and quality of developed computer software. Free modelbased development software digital engineering. A simple model would be to have a maintenance manager who assesses and schedules changes. The outcome of software engineering is an efficient and reliable software product. Software maintenance planning should begin with the decision to develop a new. The free sample above is from the powerpoint total productive maintenance tpm powerpoint sold on the full powerpoint at that website covers introduction and requirements for implementing a successful tpm in your organization.
For slides, see lecture 20 lecture 24, legal issues powerpoint html lecture 25, management iii. Software engineering processes a software engineering process is the model chosen for managing the creation of software from initial customer inception to the release of the finished product. Each iteration passes through the requirements, design, coding and testing phases. In this paper, we survey current componentbased software technologies, describe their advantages and disadvantages, and discuss the features they inherit. When we need to update the software to keep it to the current market, without impacting its functionality, it is called software re. Ppt on introduction to software engineering powerpoint.
Maintenance in this model, much of the work design ensuring everyone is on tdesign, ensuring everyone is on t be a rigid model in the case of ch influences. Implementation and unit testing software design programs or program units integration and system testing integrate and test program units operation and maintenance correct errors. There are four types of maintenance, namely, corrective, adaptive, perfective, and preventive. Free powerpoint samples totalproductivemaintenanceppt. Errors undetected during software development may be found during use. So, we can define software engineering as an engineering branch associated with the development of software product using welldefined scientific principles, methods and procedures. This model is beneficial when a single user is using the software system. Software development life cycle classical waterfall model. Redundant, nonvalueadded maintenance procedures waste time and money. Modifying a program after it has been put into use.
Classical waterfall model phases there are separate identified phases in the waterfall model. Managing people powerpoint html lecture 26, risks in software engineering powerpoint html lecture 27, software engineering as engineering powerpoint html. Software engineering tools provide automated or semiautomated support for the. The application of a systematic, disciplined, quantifiable approach to the development, operation, and maintenance of software. As a result, the software maintenance team needs to use a quickfix model to avoid the time consuming process of smlc. Over the years, this construction material has been enhanced and developed to fit to the usage and requirements at site. Reliability engineering training courses, world class reliability ppts, and simple reliability analysis and prediction modelling software a reliability engineering store with reliability engineering training, maintenance strategy optimisation modelling software, root cause failure analysis, operating plant reliability improvement, and equipment failure prevention solutions. Free sample powerpoints for maintenance, engineering. The chosen process usually involves techniques such as analysis, design, coding, testing and maintenance. This course is intended to provide the students with an overall view over software engineering discipline and with insight into the processes of software development.
In practice, they include subactivities such as requirements validation. Cmm measures the maturity of the software development process on a scale of 1 to 5. If you want to improve your pmpdm program in order to improve equipment performance and productivity, lce can help you apply the appropriate procedures quickly. A software process model is a simplified representation of a software process. Ppt on sdlc models software prototyping systems theory. Tech subjects study materials and lecture notes with syllabus and important questions below. Aug 10, 20 web engineering presentation transcript. There are number of reasons, why modifications are required, some of them are briefly mentioned below. It stands for all the modifications and updations done after the delivery of software product. Sdlc is the process that is used by the organizations for the advancement of the software which includes the design. Objectoriented and classical software engineering eighth edition, wcbmcgrawhill, 2011 stephen r. Objectives to appreciate need of software maintenance performed. Ppt maintenance,types of maintenance,breakdown maintenance.
Software engineering processes dalhousie university. Adaptive maintenance is concerned with the change in the software that takes place to make the software adaptable to new environment such as to run. Unlike classical process models that end when software is delivered, the spiral model can be adapted to apply throughput the life of the computer software. Often we employ programs created using the best design and techniques at their time, when program size and storage space were principal components. Objectoriented and classical software software engineering. A comparison of traditional and maintenance models helps to highlight the differences between software development and software maintenance and shows why there is a need for a maintenanceconscious process model. Software engineering process models in this course we will have a project with product requirements a defined development process a team of 35 developers we will use the unified modeling language uml to describe our product specifications and design today we will discuss some standard process models 2 software engineering phases. Incremental development is done in steps from analysis design, implementation, testingverification, maintenance. Corrective maintenance is concerned with fixing errors that are observed when the software is in use. Mar 17, 2017 software evolution software maintenance. Taute maintenance model it is a typical maintenance model and. For each group, the sdlc model is followed to develop software. The abbreviation of the software development life cycle is sdlc and is very vital for all the organizations or firms because with the aid of sdlc they can generate the highquality software. Webe is the process used to create high quality webbased applications webapps webe draws heavily on the principles and management activities found in software engineering processes there are things that make webe a unique endeavor 3.
Many process models have been described and we will look at a number of such models. Water management, pollution control, waste management and recycling are the major civil ppts covered in environmental engineering section. Life cycle sdlc youve got to be very careful if you dont know where youre going, because you might not get there. As a major contribution, we propose a qa model for componentbased software development, which covers. After completing the hectic and time consuming process of developing and testing a software application. Altair engineering has introduced free basic editions of its modelbased development suite. The software mainten ance process model alain april 1, jane huff man hay es, 2, alain abr an 1, and reiner dumke 3. Finally, the last maintenance process, also an event which does not occur on a daily basis, is the retirement of a piece of software. However, studies and surveys over the years have indicated that the majority, over 80%, of the maintenance effort is used for noncorrective. A process model gives an abstract representation of a way in which to build software. A free powerpoint ppt presentation displayed as a flash slide show on id. Some of the topics relating to software maintenance are types of software maintenance, software maintenance problems, software maintenance tools and techniques, and software maintenance costing.
Download 17 maintenance ppt, maintenance powerpoint. Latest computer science cse seminar topics with ppt, pdf. Modification requests are logged and tracked, the impact of proposed changes is determined, code and other software artifacts are modified, testing is conducted, and a new version of the software product is released. The software is being modified to meet customer and market requirements changes. Software engineering research,management and applications 2011 pp 129143 cite as. This occurs because the software maintenance team is unaware of the requirements and design documentation.
Each model represents a process from a specific perspective. The main purpose of software maintenance is to modify and update software application after delivery to correct faults and to improve performance. Also, traditional models fail to capture the evolutionary nature of the software. Tech student with free of cost and it can download easily and without registration need. Computer programs and associated documentation such as requirements, design models, and user manuals. Software engineering software maintenance software maintenance is the process of modifying a software product after it has been delivered to the customer. Risks are invariably involved in software development and maintenance. A software product is a model of the real world, which is. We also address qa issues for componentbased software. Chapters 12 and are devoted to two areas closely related to maintenance, i.
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