【名词&注释】
总体规划(general planning)、约束条件(constraint condition)、系统集成(system integration)、数据流(data stream)、子系统(subsystem)、不安全(unsafe)、流程图(flow chart)、工作站(workstation)、每一个(every single)、删除异常(deletion abnormity)
[单选题]需求工程活动产生软件运行特征的规约，指明软件和其他系统元素的接口并建立 （） 。
A. 数据流图和数据字典
B. 程序流程图(flow chart)
C. 体系结构模型
D. 软件必须满足的约束条件
查看答案&解析
举一反三：
[单选题]is a method of constructing a project schedule network diagram that uses boxes or rectangles, referred to as nodes, to represent activites and connects them with arrows that arrow the dependencies.This method includes following types of dependcies orprecedence relationships: (2)the initiation of the successor activity, depends upon the completion of the predecessor activity. (3)the initiation of the successor activity, depends upon the initiation of the predecessor activity.
A. PDM
B. CPM
C. PERT
D. AOA
[单选题]
B． special
C． specific
D． particular
A. concreteB． special
B. specific
C. particular
[单选题]当千兆以太网使用 UTP 作为传输介质时，限制单根电缆的长度不超过（20）米，其原因是千兆以太网（ 21）
A. 100
B. 500
C. 1000
D. 2000
[单选题]一个大型信息系统必须有一个总体规划，这主要是因为(43)。
A. 需要勾画出系统框架以便控制费用
B. 指导和协调各子系统之间的矛盾和冲突
C. 可以尽快见到效益
D. 保证每一个(every single)子系统独立开发
[多选题]● Information systems design is defined as those tasks that focus on the specification of a detailed computer-based solution. Typically, there are four systems design tasks for in-house development.1) The first task is to specify （71） , which defines the technologies to be used by one, more, or all information systems in terms of their data, processes, interfaces, and network components. This task is accomplished by analyzing the data models and process models that are initially created during requirements analysis.
A. 2) The next systems design task is to develop the （72） . The purpose of this task is to prepare technical design specifications for a database that will be adaptable to future requirements and expansion.
B. 3) Once the database prototype has been built, the systems designer can work closely with system users to develop input, output and dialogue specifications. The （73） must be specified to ensure that the outputs are not lost, misrouted, misused, or incomplete.
C. 4) The fourth design task involves packaging all the specifications from the previous design tasks into a set of specifications that will guide the （74） activities during the following phases of the systems development methodology.
D. Finally, we should （75） and update the project plan accordingly. The key deliverable should include a detailed plan for the construction phase that should follow.
E. （71）
F. an application architecture
G. a distributed system
H. a system scope
I. a system physical model
J. （72）
K. database design specifications
L. database organization decisions
M. data structure specifications
N. data distribution decisions
O. （73）
P. format and layout
Q. transaction details
R. additional instructions
S. internal controls
T. （74）
U. system administrator’s
V. system analyst’s
W. computer programmer’s
X. system designer’s
Y. （75）
Z. adjust the project schedule
[单选题]●某一基带系统，若传输的比特速率不变，而将二电平传输改为八电平传输，如T2和Ta分别表示二电平和八电平码元间隔，则它们的关系是(2)。(2)
A. T8=3T2
B. T8=2T2
C. T8=8T2
D. T8=4T2
[单选题]某DHCP服务器设置的地址池IP从192.36.96.101到192.36.96.150，此时该网段下某Windows工作站(workstation)启动后，自动获得169.254.220.167这一IP地址，这是因为(25)。
A. DHCP服务器提供保留的IP地址
B. DHCP服务器不工作
C. DHCP服务器设置的租约时间太长
D. 网段内还有其他DHCP服务器，工作站(workstation)接到其他DHCP服务器响应的地址
[单选题]（44）
A. 零件1(零件号，零件名称，供应商，供应商所在地，库存量)
B. 零件1(零件号，零件名称)、零件2(供应商，供应商所在地，库存量)
C. 零件1(零件号，零件名称)、零件2(零件号，供应商，库存量)、零件3(供应商，供应商所在地)
D. 零件1(零件号，零件名称)、零件2(零件号，库存量)、零件3(供应商，供应商所在地)、零件4(供应商所在地，库存量)
[单选题]● 在Linux、Unix和苹果的Mac OS操作系统中，系统集成工程师可使用__(18)__来构建用C、C++和Java等语言编写的软件。（18）
A. GCC
B. Visual Studio.NET
C. Project
D. Visio
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