It can only be changed through formal change control procedures. Activities during this process: Facilitate construction of various versions of an application Defining and determining mechanisms for managing various versions of these work products The functional baseline corresponds to the reviewed system requirements Widely used baselines include functional, developmental, and product baselines In simple words, baseline means ready for release.
Change Control: Change control is a procedural method which ensures quality and consistency when changes are made in the configuration object.
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In this step, the change request is submitted to software configuration manager. Activities during this process: Control ad-hoc change to build stable software development environment. Changes are committed to the repository The request will be checked based on the technical merit, possible side effects and overall impact on other configuration objects. It manages changes and making configuration items available during the software lifecycle Configuration Status Accounting: Configuration status accounting tracks each release during the SCM process.
This stage involves tracking what each version has and the changes that lead to this version.
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It ensures that what is built is what is delivered. Activities during this process: Configuration auditing is conducted by auditors by checking that defined processes are being followed and ensuring that the SCM goals are satisfied. To verify compliance with configuration control standards. Ensures that changes made to a baseline comply with the configuration status reports Validation of completeness and consistency Participant of SCM process: Following are the key participants in SCM 1.
Configuration Manager Configuration Manager is the head who is Responsible for identifying configuration items. Developer The developer needs to change the code as per standard development activities or change requests. He is responsible for maintaining configuration of code. The developer should check the changes and resolves conflicts 3.
Auditor The auditor is responsible for SCM audits and reviews. Need to ensure the consistency and completeness of release. Project Manager: Ensure that the product is developed within a certain time frame Monitors the progress of development and recognizes issues in the SCM process Generate reports about the status of the software system Make sure that processes and policies are followed for creating, changing, and testing 5. The outcome of the planning phase is the SCM plan which might be stretched or revised during the project.
Software Configuration Management Tools Any Change management software should have the following 3 Key features: Concurrency Management: When two or more tasks are happening at the same time, it is known as concurrent operation. Concurrency in context to SCM means that the same file being edited by multiple persons at the same time. Excerpts from reports of actual audits conducted on several organizations engaged in software development are used to show how an audit is conducted and what can be achieved through the auditing process.
The paper is not meant to be a definitive answer or guide to doing SQA audits. Rather, it serves as an annotated case study of how SQA audits can be conducted with an emphasis on data gathering and reporting. Unable to display preview. Download preview PDF. Skip to main content. Advertisement Hide. We have listed down the differences between quality assurance and quality control to further clarify your concept:.
You may like to read more about the quality assurance vs quality control.
You are probably wondering what is the difference between tools and techniques, when we talk about quality assurance vs quality control. Well, we have listed down the tools and techniques for QA and QC separately so that you can understand and distinguish between them easily. The characteristic feature of software quality assurance is defining the organizational processes and standards.
The process shall serve as a guideline and improve over time. It is critical that the organizational standards are defined by experts as it will lay the foundation of quality assurance and assures development of reliable, quality products. The standard is harmonized with the software life cycle process and contains requirements for initiating, planning, controlling and executing the Software Quality Assurance. Quality audit is a quality assurance technique that examines the work products and evaluate whether the software product has followed the standards, guidelines, regulations, plans and procedures.
It a systematic approach to examine all the required procedures and standards were considered at the time of product development and testing. The following tools are indispensable while you are setting up the quality assurance process for your organization:.
Cost benefit analysis is a systematic approach of evaluating an investment against its expected benefits. It is used to determine whether the investment is feasible in terms of labour, time and cost savings. This technique uses brainstorming with mind mapping on a diagram and compels you to think of all the possible causes to a problem.
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Once you have identified the root cause, you will be able to find the right solution for it. Control charts are used to analyse performance trends of process over time. It is an important tool to determine if you need to make any fundamental changes to the process and avoid specific problems. There can be two types of cost of quality. The cost of poor quality affects the internal and external costs resulting from failing to meet requirements.
On the other hand, the cost of good quality includes the prevention costs for investing in services and appraisal of product. It is systematic approach carried under controlled conditions to determine the relationship between factors affecting a process and the output of the process. It is used to manage process in order to analyse which input has the significant impact and what steps can be taken to optimize the output. A quality culture should be established where everyone feels responsible for maintaining the quality of product.
One of the popular techniques for quality control is the Quality Reviews.
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According to Wikipedia, a software review can be defined as:. The product to be reviewed is an outcome of any software development activity. Quality reviews are conducted to review the project plans, requirements documents, design documents, quality assurance plan, test documents and code. The people reviewing the software products give their feedback which is recorded and passed to the concerned person for incorporating the changes.
Management reviews are conducted by the upper management to see the amount of work done and take required decisions accordingly. Technical reviews are a less formal type of quality control review, which is led by trained moderators.
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Technical reviews are conducted to establish consistency in the use of technical concepts. It is conducted at an early stage to verify that the technical standards and practices are used correctly.
Any alternatives options for the product are also evaluated in the technical quality control review. A walk-through is a type of quality control review in which the author of product leads the review session and presents his thought process to the entire team. The product to be reviewed is thoroughly explained and the feedback is gathered from the audience. Walk-throughs are usually conducted for the high level documents such as specifications documents, design documents. Walk-throughs are useful especially if the audience is people who do not understand the software easily. Inspection is a formal review practice found in software testing practices to identify defects and issues.
It is a planned meeting in which roles are defined to each participant. Inspection is a quality control process to check whether the software product is in compliance with the required specifications and standards. Defects are logged if any non-compliance is found. The main target of inspection is to find defects as early as possible.
An estimate of re-work effort is also taken as the output of this QC process. Inspection is conducted for design documents, specification documents, test documents and the code.
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Software testing techniques are a major tool of the quality control process.