• (A) Extent to which all the parts of a software system or component are present and each of its parts is fully specified and developed.
• (B) Testing of individual hardware/software components
• (C) An Entity-relation (E-R) diagram show how entities in the system are composed of other entities
• (D) It consists of wide range of different types of computer programs, which be used to support software process activities such as a requirement analysis, system modeling, debugging and testing.