项目论证是对拟实现项目技术上的先进性，适用性，经济的合理性，实施上的可能性，风险控制等进行全面的综合分析，为项目决策提供客观依据的一种技术经济研究活动，其中______不属于项目论证的主要内容。

All of followings should be done by the project manager during project control except

Modern computers based on （ ） are millions to billions of times more capable than the early computers, which occupy a fraction of the space. Simple computers are small enough to fit into mobile devices, an mobile computers can be powered by small batteries. Personal computers in their various forms are icons of the Information Age and are what most people think of as ‘computers’.

Which of following is an important input to scope verification?

( ) is the use of computing resources (hardware and software) that a delivered as a service over a network (typically the Internet).

The work that needs to be accomplished to deliver a product,service,or result with the specified features and functions is called

以下关于项目变更控制委员会的描述中____是正确的。

变更管理的工作程序包括：接受变更申请、对变更的初审、____、CCB决定是否批准、发出变更通知并开始实施、变更实施监控、变更效果评估。

公民为完成法人或者其它组织工作任务所创作的作品是职务作品，对于主要是利用法人或者其它组织的物质技术条件创作，并由法人或者其它组织承担责任的工程设计图、产品设计图、地图、计算机软件等职务作品，其

应用Paretol图可以

____一般不是用于质量控制的方法和技术。