51.A project is a [temporary] ( ) of unique, complex, and connected activities having one goal or purpose and that must be completed by a specific time, within budget, and according to (请作答此空 ). Project management is the process of scoping, planning, staffing, organizing, directing, and controlling the development of a(n) ( ) system at a minimum cost within a specified time frame. For any systems development project, effective project management is necessary to ensure that the project meets the ( ), is developed within an acceptable budget, and fulfills customer expectations and specifications, Project management is a process that starts at the beginning of a project, extends through a project, and doesn't culminate until the project is completed. The prerequisite for good project management is a well-defined system development process. Process management is an ongoing activity that documents, manages the use of, and improves an organization s chosen methodology (the “process”) for system development, Process management is concerned with the activities, deliverables, and quality standards to be applied to ( ) project(s).