software_quality_assurance_notes SQE Mid Term Notes

software_quality_assurance_notes SQE Mid Term Notes Software: Computer software is a collection of data or computer instructions that tell the computer how to work OR Software is a set of instructions, data or programs used to operate computers and execute specific tasks Quality: The degree of excellence of something ▫ General excellence of standard Engineering: The branch of science and technology concerned with the design, building, and use of engines, machines, and structures. Assurance: It provides a guarantee that the product will work without any problems as per the expectations or requirements. Quality Assurance • An activity to ensure that an organization is providing the best possible product or service to customers. QA focuses on improving the processes to deliver Quality Products to the customer. • Quality Assurance is popularly known as QA Testing. • QA is a set of activities for ensuring quality in the processes by which products are developed. Hence, it is process oriented. • QA aims to prevent defects with a focus on the process used to make the product. It is a proactive quality process. • The goal of QA is to improve development and test processes so that defects do not arise when the product is being developed. Therefore, it is a managerial tool. • Example: Verification. QA has a defined cycle called PDCA cycle or Deming cycle. 1 17 Software Batch Plan : Organization plans and establishes the process related objectives and determines the processes that are required to deliver a high-Quality product 17 Software Batch SQE Mid Term Notes Do : Development and testing of Processes and also "do" changes in the processes Check :- Monitoring of processes, modify the processes, and check whether it meets the predetermined objectives Act: - Implement actions that are necessary to achieve improvements in the processes. Quality Control: • The main aim of Quality control is to check whether the products meet the specifications and requirements of the customer. • QC is a set of activities for ensuring quality in products. The activities focus on identifying defects in the actual products produced. Hence, it is product oriented. • QC aims to identify (and correct) defects in the finished product. Quality control, therefore, is a reactive process as well as a corrective tool. • The goal of QC is to identify defects after a product is developed and before it's released. • Example: Validation QA becomes SQA QC becomes Software Testing