Tim boland tuesday may 29, 2012 software assurance metrics and tool evaluation samate is a broad and inclusive project at the. Clipping is a handy way to collect important slides you want to go back to later. Software quality assurance is the process of ensuring that the established guidelines, procedures and processes are followed. Software metrics massachusetts institute of technology. Interactive given time and other context i wont read the slides slides. Software assurance metrics and tool evaluation last modified by. In software testing, metric is a quantitative measure of the degree to which a.
Slides for you as a takeaway different than your handouts always thinking of new. It depends on what are the goals for the software development teams. Good practice in software quality engineering, however, also needs. Programmer productivity metrics because software intangible, not possible to measure directly. Software quality models and standars authorstream presentation. Choosing the metrics to assess data quality, selecting the tools, and describing data quality rules and thresholds are just several important steps. Dec, 2018 data quality management guards you from low quality data that can totally discredit your data analytics efforts. Some companies put the quality objectives within the quality assurance manual.
Ppt software quality measurement and metrics powerpoint. Objectives to introduce the quality management process and key quality management activities to explain the role of standards in quality management to explain the concept of a software metric, predictor metrics and control metrics to explain how measurement may be used in assessing software quality and the limitations of software measurement. This course is designed to help improve your job performance and the quality of your companys software products. Using quality metrics and security methods to predict. It needs linkage the software quality model and software metrics through qualityfactors in order to offer measure method for software quality assurance.
In many cases, quality assurance teams are responsible for reporting quality incidents and metrics to a governance board on a regular basis. Commonly used by management to check the budget and. Good practice in software quality engineering, however, also needs to consider the customers perspective. Software quality assurance sqa software quality is defined as a field of study and practice that describes the desirable attributes of software products. Sep 16, 2017 there is no standard or definition of software metrics that have value to software development teams. Learn with examples and graphs how to use test metrics and measurements in software testing process. Security is a key aspect to establishing software assurance. The inference was, of course, that quality in software was the absence of bugs. That said the following section tries to pull the ideas of quality metrics, quality characteristics, spi, sqc and sqa together with some examples by way of clarifying the definition of these terms.
We use your linkedin profile and activity data to personalize ads and to show you more relevant ads. Metrics on the use of metrics serve as one measure of your practice quality. Techniques and a generic environment existing software quality assurance sqa techniques and methods have explored. And software metrics have different value to different teams. Improving these two factors alone velocity and defect detection effectiveness requires a balanced mix of people, processes, and tools. Historically software quality metrics have been the measurement of exactly their oppositethat is, the frequency of software defects or bugs. Software testing and quality assurance software quality metrics ppt. Schedule variance project management tool none sokware tesrng. This workshop was colocated with the ieee sixth international conference on software security and reliability sere 2012 at the national institute of standards and technology. Once the quality has been installed, the company may use the quality assurance models of iso 9001, iso 9002, or iso 9003 to demonstrate the adequacy of the quality. Ppt software metrics powerpoint presentation free to view.
It is possible, with careful management of supplier agreements, to provide insight into the data that support supplierperformance analysis. Cmmi capability maturity model integration is a proven industry framework to improve product quality and development efficiency for both hardware and software sponsored by us department of defence in cooperation with carnegie mellon university and the software. Remember the last time someone committed to do something for you and either failed to deliver or didnt meet your standards. Software metrics are used to obtain objective reproducible measurements that can be useful for quality assurance, performance, debugging, management, and estimating costs. Mccalls quality model 1977 mccall attempts to bridge the gap between users and developers by focusing on a number of software quality factor that reflect both the users views and the developers priorities. Software metrics are used to obtain objective reproducible measurements that can be useful for quality assurance, performance, debugging, management, and. These measurements are key to the success of the product and project and there must be clear documentation on how the data will be used. This portion of the template for quality metrics describes in detail how quality metrics measurements will be taken and what will be done with the data. Motivation why is qa measurement important quality assurance. Iso91261 represents the latest and ongoing research into characterizing software for the purposes of software quality control, software quality assurance and software process improvement spi. Ibm software group rational software quality analysis with metrics ameeta roy. Here are the top five quality metrics that really matter. Software metrics are used to measure the quality of the project.
A measurement based software quality framework 419 approach. Guidelines for the application of 9001 to the development, supply, installation and maintenance of computer software. Report on the metrics and standards for software testing. The concepts of software measurements how to measure some quality metrics you need to know your software and manage it by numbers through these numbers, you will knowimprove your own capability too spring 2005 ece450h1s software engineering ii further readings n.
Free quality metrics template project management docs. There are many quality attributes such as maintainability, usability, integrity and correctness etc. Describes the characteristics of the product such as size, complexity, design features, performance, and quality level process metrics. Software assurance metrics and tool evaluation samate overview.
Software testing metrics are a way to measure and monitor your test activities. Without the capacity to accurately monitor testing measures, team leaders will be. These characteristics can be used to improve the development and maintenance activities of the software project metrics. The software assurance metrics and tool evaluation free download as powerpoint presentation. It measures the defects relative to the software size expressed as lines of. It is useful to drive quality improvement from the development teams point of view. Oct 03, 2016 software quality metrics refer to the results of test executions, including metrics like the time it takes to execute tests and session data. Important software test metrics and measurements explained. Thus the objectivity criterion was refined and subdivided into criteria as follows. Successful software quality assurance is highly dependent on software metrics. Software quality metrics dos and donts qaiquest 1 hour. Quality assurance is a planned and systematic means for assuring management that the defined standards, practices, procedures, and methods of the process are applied.
Software metrics can be classified into three categories. Software quality metrics for testers why and what to measure. Software quality metrics are a subset of software metrics that focus on the quality aspects of the product, process, and project. In respective stages of software development the degree to which a system, component, or process meets specified requirements. The practice of applying software metrics to operational factors and to maintain factors is a complex task. Quality assurance and measurement the mitre corporation. Software quality metrics are a subset of software metrics that focus on the quality. A free powerpoint ppt presentation displayed as a flash slide show on id. Nov 24, 2016 often in agile development projects quality assurance process has weak and at times unnecessary performance and quality measurement indicators. Quality management objectives to introduce the quality management process and key quality management activities to explain the role of standards in quality management. System reliability is measured by counting the number of operational failures and, where appropriate. The purpose of quality measurement and analysis ma is to develop and sustain a measurement capability used to support management information needs 1. Devise actions to improve quality of the software process improvements process performance improvements product productivity improvements product improvements 4.
We can accurately measure some property of software or process. 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. The software assurance technology center satc, nasa, software quality model includes metrics. Cmmi overview quality frameworks outline introduction high level overview of cmmi questions and comments what is cmmi. Assume that we are to set the defect rate goal for releasetorelease improvement of one product. Ieee std 10611992 standard for software quality metrics methodology.
These are more closely associated with process and product metrics than with project metrics. Now customize the name of a clipboard to store your clips. As part of your pqi program, you can record your metrics metric and work at improving it over time. Simply, a metric is a unit used for describing an attribute. Software quality metrics in quality assurance to study the. Ppt software quality metrics powerpoint presentation. If the implementation follows the design and the resulting system meets its requirements and performance goals, conformance quality. Apr 11, 2020 software testing metrics improves the efficiency and effectiveness of a software testing process. Software metrics for control and quality assurance course overview software metrics for control and quality assurance course overview powerpoint ppt presentation free to view hp quality center hp quality center test management tool. A software quality indicator is used to calculate and to provide an indication of the quality of the system by assessing system characteristics. Measurement and analysis ma software quality assurance. The defect rate metrics measure code quality per unit.
It needs linkage the software quality model and software metrics through qualityfactors in order to offer measure method for software quality assurance 1. However, to do data quality management right, you should keep in mind many aspects. Operating model tiered security metrics ppt powerpoint presentation model examples, key metrics performance ppt powerpoint presentation tips, operations metrics ppt powerpoint presentation. Ppt quality metrics powerpoint presentation free to. It is also used for decision making by decision maker. Software quality factors, models, life cycles, and standards quality assurance for quality models and specifications. This allows for objective comparisons between techniques and processes. Quality assurance is the process of defining how software quality can be achieved and how the development organization knows that the software has the required level of quality.
Quality assurance is the prevention of mistakes in the delivery of products and services. A company should first use iso 9000 to design and to implement a quality system. Define what quality means for large software systems 2. Some of the most insightful testing metrics can be gathered at the software. To go a step further, measuring software assurance involves assembling carefully chosen metrics.
Software quality metrics for testers starwest 20 slideshare. What are software quality indicators learners window. Software quality metrics refer to the results of test executions, including metrics like the time it takes to execute tests and session data. It is a broad course that addresses all of the body of knowledge area of the csqe. Classification of metrics software quality measurement and metrics. Some companies put the quality objectives within the quality assurance. Software testing metrics and measurements are very important indicators of the efficiency and effectiveness of software testing processes. Software quality metrics is the property of its rightful owner. Finding defects in code post release and prior to release, predicting defective code, predicting project success, and predicting project risk. When implementing software quality metrics, we need to first understand the. Ppt software quality metrics powerpoint presentation free. Apr 26, 2010 justifiable confidence that software is free from vulnerabilities, either intentionally designed into the software or accidentally inserted at any time during its life cycle and that the software functions in the intended manner from cnss national information assurance ia glossary cnssi4009, 26 april 2010, page 69. Dibyendu saha finance transformation focus on results powerpoint ppt presentation free to view. Tim boland tuesday may 29, 2012 software assurance metrics.
Software measurement and metrics software measurement is concerned with deriving a numeric value for an attribute of a software product or process. The main activity of the quality assurance process is the selection and definition of standards that are applied to the software development process or software product. Times new roman arial wingdings arial narrow courier new default design software assurance. Samate software assurance metrics and tool evaluation. Software assurance metrics and tool evaluation samate. Software quality measurements university of toronto. Metrics on the use of metrics also highlights those metrics that may have a problem in use, are. Qa focuses on improving the processes to deliver quality products to the customer. Quality metrics provide indicators to improve the quality of the product. As a test manager, you are faced with increasing pressure to test faster and deliver software with fewer defects.
Software quality metrics can be further divided into three categories. As a starting point, here are some software metrics that can help developers track their progress. To discover and learn various concepts and techniques related to software quality assurance to learn to apply these techniques. The software assurance metrics and tool evaluation. Important software test metrics and measurements explained with. It caused delays and rework, along with a lot of frustration. The software quality indicators address management concerns. Quality of the software, different metrics look at different. Basic terminologies project indicators classification of software metrics.
Quality performance metrics ppt powerpoint presentation summary outfit cpb, operational performance metrics quality index ppt powerpoint presentation summary layout ideas, quality. An automatic software quality measurement system gain an insight into the world of software quality assurance. More importantly, they give insights into your teams test progress, productivity, and the quality of the system under test. Society for software quality ssq washington, dc area chapter software assurance metrics and tool evaluation samate overview by.
Software quality mangement authorstream presentation. Reliability metrics reliability metrics are units of measurement of system reliability. The value of testing metrics within software development. Management provides the plans to achieve the targets.
Software quality measurements department of computer science. The question of how and when to measure quality in software development is asked frequently. 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. Quality assurance qa is defined as an activity to ensure that an organization is providing the best possible product or service to customers. Software measurement and metrics software measurement is. Software quality assurance sqa software quality assurance sqa is an umbrella activity that is applied throughout the software process. If poor quality software produced quickly, may appear to be more productive than if produce reliable and easy to maintain software measure only over software. Product quality metrics software quality metrics overview.
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