Metrics can be defined as quantitative measures that allow software engineers to identify the efficiency and improve the quality of software process, project, and product. Tech subjects study materials and lecture notes with syllabus and important questions below. Guest lecture from software industry in the practical session. Rapid application development model rad rad model vs traditional sdlc. We can accurately measure some property of software or process. Corporate presentation march, 20 cem kaner florida. Student notes including copies of all presentation slides and annotated descriptive text. Metrics for measuring the quality of objectoriented software. They relate to the four functions of management as follows.
Software metrics software engineering linkedin slideshare. Classification of software metrics in software engineering. Software testing metrics or software test measurement is the quantitative indication of extent, capacity, dimension, amount or size of some attribute of a process or product. Numerous metrics have been designed for coding namely size, complexity, style and. Software metrics are valuable for many reasons, including measuring software performance, planning work items, measuring productivity, and many other uses. Program management offices pmo should gain insight into proposed metrics during source selection, and developers should commit to the consistent use of those metrics, including collecting, analyzing, and reporting. Software metrics, an area of software engineering, is concerned with various. Within the software development process, many metrics are that are all connected. Designing software metrics in software engineering. Anna university cs6403 software engineering syllabus notes 2 marks with answer is provided below. Permission to reproduce or copy all or parts of this material for nonprofit use is granted on the condition that the author and source are credited.
Software metrics are a measure of some property of a piece of software or its specifications. These metrics enable management to understand the quality of the software, the productivity of the development team, code complexity, customer satisfaction, agile process, and operational metrics. Process metrics can be used to improve software development and maintenance. Software metrics should be an integral part of a software developers standard processes. This is possible by collecting quality and productivity data and then analyzing and comparing these data with past averages in order to know whether quality improvements have occurred.
Software metrics software metrics are numerical data related to software development. Examples include the effectiveness of defect removal during development, the. Note that as the project proceeds, the project manager will check its progress from. Cs 6403 notes syllabus all 5 units notes are uploaded here. Software metrics in software engineering 1 duration.
Software engineering is an engineering branch associated with development of software product using welldefined scientific principles, methods and procedures. Choice of project depend upon teacher and student, case studies shall be included too. Nandini sharma page 1 software is a set of instructions to acquire inputs and to manipulate them to produce the desired output in terms of functions and performance as determined by the user of the software. Software is considered to be a collection of executable programming code, associated libraries and documentations. In this chapter from his book on software quality engineering, stephen h. Software engineering provides a standard procedure to design and develop a software. Metrics make sure that the final product is of high quality and the productivity of the project stays high. Lecture schedule and course material software engineering. Some examples of ui metrics 1 information per screen i. A quantitative indication of the extent, amount, dimension, or size of some attribute of a product or process e. Software engineering metrics and models benjamincummings. Unit i, sepm truba college of science and technology, bhopal by. To understand the difference, let us consider an example.
The outcome of software engineering is an efficient and reliable software product. Software engineeringa layered technology, the capability maturity model integration cmmi, process patterns, process assessment, personal and team process models. The mhf is defined as the ratio of the sum of the invisibilities of all methods defined in all classes to the total number of methods in a design. Software engineering tools provide automated or semiautomated support for the. Cem kaner 20 austin notes that in many cases of dysfunction, the employees were evaluated against a surrogate measure. Dinesh authors the hugely popular computer notes blog. A software metric is a measure of software characteristics which are quantifiable or countable. A software metric is a measure of software characteristics which are measurable or countable.
This is a reading and discussion subject on issues in the engineering of software systems and software development project design. Well now take a closer look at the various types of the two most important categories of metrics project metrics, and process metrics. Designing software metrics in software engineering by dinesh thakur category. Once measures are collected they are converted into. Briand, toward a theoretical framework for measuring software attributes, presented at 4th international software metrics symposium metrics97, albuquerque, nm, 1997. All of these parameters are associated with certain metrics. An empirical study of code clone genealogies acm sigsoft. A measurement is an manifestation of the size, quantity, amount or dimension of a particular attributes of a product or process. The ahf is defined as the ratio of the sum of the invisibilities of all attributes defined in all classes to the total number of class. Software metrics, measurement and analytical methods. Software engineering tutorial is designed to help beginners and professionals both. Software project management has wider scope than software engineering process as it involves.
Lectures on issues giving rise to metrics in software project management. Software engineering tutorial delivers basic and advanced concepts of software engineering. Software engineering metrics and models benjamincummings series in software engineering. Lecture 1 introduction to software engineering youtube. Scope classification of metrics measuring process and product attributes direct and indirect measures reliability software quality assurance standards. The textbook and the accompanying materials posted on this website are freely available for fair use. Software testing metrics improves the efficiency and effectiveness of a software testing process. Software metrics are experimental measures that could be used to measure different characteristics of a software system or the software development process. Static metrics that are collected by measurements made from system representations such as design, programs, or documentation. Software metrics in software engineering computer notes. Where he writes howto guides around computer fundamental, computer software, computer programming, and web apps. Dynamic metrics help in assessing the efficiency and reliability of a program while. Cs6403 software engineering syllabus notes question bank. Partial redesign of java software systems based on clone analysis.
Kan discusses several metrics in each of three groups of software quality metrics. Generally, testers use metrics for analysis, design, and coding to guide them in design and execution of test cases. Motivations for using metrics in software engineering. Software metrics are important for many reasons, including measuring software performance, planning work items, measuring productivity, and many other uses. Quality of software can be measured by using objectoriented. These characteristics can be used to improve the development and maintenance activities of the software. Software measurement is a titrate impute of a characteristic of a software product or the software process. Software metrics software engineering pdf and notes. Planning metrics serve as a basis of cost estimating, training planning, resource planning, scheduling, and budgeting. Software metrics massachusetts institute of technology. Changing nature of software, software myths pressman notes. It includes the present state of software engineering, what has been.
The goal is obtaining objective, reproducible and quantifiable measurements, which may have numerous valuable applications in schedule and budget planning, cost estimation, quality assurance testing, software debugging, software performance optimization, and optimal. Software engineering an effective software metrics helps software engineers to identify shortcomings in the software development life cycle so that the software can be developed as per the user requirements, within estimated schedule and cost, with required quality. The laboratory exercises shall include projects on requirements, analysis and designing of software system. Metrics class notes from the mit class software engineering.
Faa story, introduction to class projects in ppt and in html and as a sequence of jpegs. A separate measure tracks developer turnover unplanned losses of development personnel that must be replaced. Software evolution critical systems validation metrics for process, project and productquality management process improvement risk management configuration management software cost estimation. Notes of software engineering and project management 1. Dynamic metrics that are collected by measurements made from a program in execution. Within the software development process, there are many metrics that are all. Product metrics in software engineering geeksforgeeks. No way to measure property directly or final product does not yet exist for predicting, need a model of relationship of predicted variable with other measurable variables.
Software metrics help project managers to gain an insight into the efficiency of the software process, project, and product. Notes of software engineering and project management. Overview of software development processes in ppt and in html. Product metrics describe the characteristics of the product such as size, complexity, design features, performance, and quality level. The degree to which a system, component, or process possesses a given. The term software engineering is composed of two words, software and engineering. Our software engineering tutorial contains all the topics of software engineering. 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. In regards to software project cost and underestimation, it is a problem that has not diminished in the last 70 years. A program is an executable code, which serves some computational purpose.
Metrics strongly support software project management activities. Software metrics is a standard of measure that contains many activities which involve some degree of measurement. Software engineering software metrics with software engineering tutorial. Quality of software generally depends on five parameters namely efficiency, understandability, complexity, reusability and maintainability. This paper presents metrics for measuring the quality of objectoriented software. Software engineering notes sen is edited, but not refereed. Sen contributions are archived in the acm digital library and are publicized through many search engines and scientific indices. For any type of query or something that you think is missing. Function point can be effectively used to estimate testing effort. He also describes the key metrics used by several major software developers and discusses software metrics data collection. Majority of the metrics used for testing focus on testing process rather than the technical characteristics of test.
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