超星 - 作业6.4 - 查题吧

单选题

一些简单控制功能的系统，如照明、司机控制台操作设备等，通过智能()连接到MVB总线上。

A. I/O模块
B. DX
COMC CCU
D. AX

单选题

CRH5动车组牵引子系统的主要设备是牵引变流器，每个动车组有()个牵引变流器各由()个牵引控制单元（TCU）进行管理，执行控制与诊断功能。

A. 8;1
B. 4;1
C. 5;1
D. 5;2

单选题

终端装置中，（）卡是控制指令接收卡。终端装置用该卡接收中央装置传输来的指令。

A. CPU
B. RXC
C. AIN
D. PSB

判断题

只从一个热源吸取热量，使之全部变为有用的功的循环动作的热机是可以制造出来的。

A. 对
B. 错

判断题

热量不可能从低温物体传向高温物体。

A. 对
B. 错

单选题

43.Which of the following is not an advantage of selfsourcing?

A.It increases the speed of systems development.
B.It analyses the various design alternatives which lead to subpar IT systems.
C.It increases end user participation and sense of ownership.
D.It improves requirements determination.

单选题

44.Which of the following is a potential risk of selfsourcing?

A.Reduced technological know-how for future innovation.
B.Lack of documentation and external support leads to short-lived systems.
C.Reduced degree of control.
D.Increased dependency on outside organizations.

单选题

45.What type of selfsourcing development tool is paramount to the success of the proposed software?

A.Easy to use development tools
B.Evolutionary prototyping tools
C.Extreme programming (XP) tools
D.Video editing tools

单选题

46.Because end users work with a wide range of data, what toolset should they select for selfsourcing support?

A.Sophisticated GUI development
B.Online meeting software
C.Collaboration software
D.Database management systems

单选题

42.What group of people knows little about IT but a lot about their own domain?

A.Domain experts
B.Project managers
C.End users
D.Field professionals

1