Feasibility should be measured throughout the life cycle of system development.The scope and complexity of an apparently feasible project can change after the initial problems and opportunities are fully analyzed of after the system has been designed.Thus,a project that is feasible at one point may become infeasible later.The first feasibility analysis is conducted during the（ ）.The（ ）represents a major feasibility analysis activity since it charts one of many possible implementations as the target for systems design.（ ）is a measure of how well the solution will work in the organization.It is also a measure of how people feel about the system.When it is determined in the later stages of the system life cycle,（ ）is often performed with a working prototype of the proposed system.This is a test of the system's user interfaces and is measured in how easy they are to learn and to use and how they support the desired productivity levels of the users.Economic feasibility has been defined as a cost-benefit analysis.The（ ）technique is a simple and popular method for determining if and when an investment will pay for itself.
问题1选项
A.problem analysis phase
B.preliminary investigation phase
C.requirements analysis phase
D.decision analysis phase
问题2选项
A.problem analysis phase
B.preliminary investigation phase
C.requirements analysis phase
D.decision analysis phase
问题3选项
A.Operational feasibility
B.Technical feasibility
C.Schedule feasibility
D.Economic feasibility
问题4选项
A.performance analysis
B.control analysis
C.usability analysis
D.interface analysis
问题5选项
A.payback analysis
B.return-on-investment analysis
C.present value
D.time value of money
（ ）is the process of transforming information so it is unintelligible to anyone but the intended recipient.
As each application module is completed,it undergoes（ ）to ensure that it operates correctly and reliably.
（ ）algorithm specifies the way to arrange data in a particular order.
After analyzing the source code,（ ）generates machine instructions that will carry out the meaning of the program at a later time.
（ ）can help organizations to better understand the information contained within the data and will also help identify the data that is most important to the business and future business decisions.
浏览器开启无痕浏览模式后，（ ）依然会被保存下来。
下列协议中，不属于TCP/IP协议簇的是（ ）。
下列传输介质中，带宽最宽、抗干扰能力最强的是（ ）。
数控编程常需要用参数来描述需要加工的零件的图形。在平面坐标系内，确定一个点需要2个独立的参数，确定一个正方形需要（ ）个独立的参数。
某书的页码为1，2，3，...，共用数字900个（一个多位数页码包含多个数字），据此可以推断，该书最大的页码为（ ）。
