Software reliability ppt pressman

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Software Reviews. Purpose of Reviews. The FTR Meeting. The FTR Meeting continued. FTR Guidelines. Statistical Software Quality Assurance. Process Steps. A Sample of Possible Causes for Defects. Six Sigma. Six Sigma continued. The work to be done. Define the work process. Measure the work process. Analyze the work process. Control the work process. Manage and improve the work process. Software Reliability, Availability, and Safety. Reliability and Availability. Software Quality Measurement Demystified A discussion of the software quality index.

QA Institute Quality related information. Membership required. Society for Software Quality SSQ Dedicated to quality issues, this website presents recent news and pointers to useful information.

Total Quality Management Information and Resources Continuous process improvement and TQM software, tutorials, and links can be found at this site, sponsored by the Industrial Engineering department at Clemson University.

Tantara Resources Pointers to QA and process improvement resources. The Software Quality Page A comprehensive collection of links to quality-related resources and standards. How to build a successful QA team Focus here is on test team improvement. Quality Gurus A listing of important contributors to the quality movement over the past decades. Interesting reading for those who have real interest in quality issues. Quality and Statistical Process Control Everything you need to know about the use of control charts, from Wikipedia.

Software Quality Assurance Training 15 articles that provide an indepth tutorial provided by Exforsys. Video: Software Testing vs. Software Quality Assurance A brief video discussion. ISO Standards One of the major international standards organizations.

All require a fee. Six Sigma - I Everything six sigma - news, resources, papers. An excellent indepth slide presentation. Dobb's The Review Spectrum Concise description of the entire spectrum of review techniques, beginning with heuristic walkthroughs through formal inspections.

Reviews, Inspections, and Walkthroughs A very concise description. Reviews, Inspections, and Walkthroughs A worthwhile slideshow that describes the differences and similarity among the techniques.

Walkthroughs and Inspections A useful summary of both techniques. Software Inspections An indepth discussion of the inspection process with useful metrics.

Goodies for Software Peer Reviews Forms, checklists, process descriptions, data spreadsheets. Auditing Checklists Pointers to auditing checklists for appraising software organizations can be obtained at:. Quality Audits Useful information for software quality auditors can be obtained at this site.

Pair Programming vs. Code Reviews A commentary at the blog Coding Horror. Peer Reviews or Pair Programming, or Both? Size-oriented Metrics continued. Function-oriented Metrics. Function Point Controversy. Visual Basic. Object-oriented Metrics. Object-oriented Metrics continued. Metrics for Software Quality. Defect Removal Efficiency. Integrating Metrics within the Software Process. Arguments for Software Metrics. Establishing a Metrics Baseline.

Software Metrics Baseline Process. Getting Started with Metrics. Getting Started with Metrics continued. JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload. Software process and project metrics are quantitative measures They are a management tool They offer insight into the effectiveness of the software process and the projects that are conducted using the process as a framework Basic quality and productivity data are collected These data are analyzed, compared against past averages, and assessed The goal is to determine whether quality and productivity improvements have occurred The data can also be used to pinpoint problem areas Remedies can then be developed and the software process can be improved.

Can be applied to the software process with the intent of improving it on a continuous basis Can be used throughout a software project to assist in estimation, quality control, productivity assessment, and project control Can be used to help assess the quality of software work products and to assist in tactical decision making as a project proceeds.

To characterize in order to Gain an understanding of processes, products, resources, and environments Establish baselines for comparisons with future assessments To evaluate in order to Determine status with respect to plans To predict in order to Gain understanding of relationships among processes and products Build models of these relationships To improve in order to Identify roadblocks, root causes, inefficiencies, and other opportunities for improving product quality and process performance.

We measure the effectiveness of a process by deriving a set of metrics based on outcomes of the process such as Errors uncovered before release of the software Defects delivered to and reported by the end users Work products delivered Human effort expended Calendar time expended Conformance to the schedule Time and effort to complete each generic activity.