Software engineering is a branch of computer science that includes the development and building of computer systems software and applications software. Computer systems software is composed of programs that include computing utilities and operations systems. Review journals are the evaluation of work by one or more people with similar competences as the producers of the work (peers). It functions as a form of self-regulation by qualified members of a profession within the relevant field. Peer review methods are used to maintain quality standards, improve performance, and provide credibility.