A project management technique that is currently in widespread use is the () . The purpose of this technique is to detail, in hierarchical fashion, all of the activities that are required to meet project objectives. There are some special activities called () , which are events that signify the accomplishment or completion of major deliverables during the project. Most system development methodologies also provide () , whose purpose is to contain the various pieces of relevant information – feasibility assessments, schedules, needs analysis, and so forth – in a single place so that they can be presented to project clients and other related parties. Several types of important network diagrams are used in project management. () was developed to make clear the interdependence between project tasks before those tasks are scheduled. () offers the advantage of clearly showing overlapping tasks.
阅读以下关于原型法的叙述,回答问题1、问题2和问题3。某软件公司多年来开发的项目大都采用结构化方法。但系统开发的实践表明,尽管在许多情况下使用了严格定义或预先说明的方法,但当系统建成以后,用户仍然觉得建立的系统是不完全正确或不完备的,因此需要进行反复地修补。针对上述情况,公司的李总工程师提出,应该引入原型法,以快速地确定用户需求,提高开发过程中的生产率和最终系统的质量。
[问题1](12分)请用400字以内文字,分别论述原型法与严格定义法适用的场合。[问题2](5分)原型生命周期提供了一种用原型法完成需求定义的完整方法。但对于一些特殊情况,如规模较小,完整性要求较弱的应用,可以采取灵活的做法以适应实际目标。请用300字以内文字,说明改变原型生命周期约束的方法。[问题3](8分)引入原型法后,需要对项目管理的过程加以适当修正。请用300字以内文字,说明引入原型法后,项目管理的基本内容。
关于相联存储器,下面的论述中,错误的是()。
电子政务根据其服务的对象不同,基本上可以分为四种模式。某政府部门内部的“办公自动化系统”,属于()模式。
软件风险是指在软件开发过程中面临的一些不确定性和可能造成的损失。软件风险大致可以分为三类:项目风险、技术风险和商业风险。下列叙述中,()属于商业风险。
确定网络的层次结构及各层采用的协议是网络设计中()阶段的主要任务。