Answer: Quality of service(QoS) is the parameter of the software development. This signifies about the management of the software resources,eliminating traffic or errors and evaluating the assurance about service quality of software.
There are several features that come under the quality of service feature to determine the software quality such as performance, scalability, service,scalability etc.If the software is evaluated positive on these factors then service quality is considered good which results in appropriate software development.