题目内容
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A．sequence structure
B．condition Structure
C．selection structure
D．execution structure
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更多“N-S diagram can used to substitute conventional program flow Chart．In the following phrase”相关的问题
A．sequence structure B．condition structure
C．selection structure D．execution structure
A.PDL
B.nature language
C.program chart
D.Activity diagram
E.all of the above
F.F. C and D
A.PDL
B.nature language
C.program chart
D.Activity diagram
E.all of the above
F.A, C and D
1.To obtain the transfer function, we need to find the Laplace transform of the equations of motion and solve the resulting algebraic equations for the relationship between the input and the output. In many control systems the system equations can be written so that their components do not interact except by having the input of one part be the output of another part. In these cases, it is easy to draw a block diagram that represents the mathematical relationships in a manner similar to that used for the component block diagram in Fig. 1.2, Chapter 1.
（71）
A. waterfall model
B. workflow reference model
C. evolutionary model
D. spiral model
（72）
A. workflow engines
B. processes
C. workflow threads
（73）
A. PERT diagram
B. DFD
C. Petri Net
D. ER diagram
（74）
A. positions
B. resources
C. conditions
D. places
（75）
A. transitions
B. transformations
C. transmitters
D. changes
The following questions pertain to the image characteristics of all types of mirrors discussed in this unit - plane mirrors, concave mirrors, and convex mirrors. Use your understanding of the object-image relationships for these three types of mirrors to answer the questions. The diagram below shows a spherical surface that is silvered on both sides. Thus, the surface serves as double-sided mirror, with one of the sides being the concave and one being the convex side. The principal axis, focal point, and center of curvature are shown. The region on both sides of the mirror is divided into eight sections (labeled M, N, P, Q, R, S, T, and W). Five objects (labeled 1, 2, 3, 4, and 5) are shown at various locations about the double-sided mirror. Use the diagram to answer the questions #1-6.
1. The image of object 1 would be located in section ______. M、 N、 P、 Q、 R、 S、 T、 W 2. The image of object 2 would be located in section ______. M、 N、 P、 Q、 R、 S、 T、 W 3. The image of object 3 would be located in section ______. M、 N、 P、 Q、 R、 S、 T、 W 4. The image of object 4 would be located in section ______. M、 N、 P、 Q、 R、 S、 T、 W 5. The image of object 5 would be located in section ______. M、 N、 P、 Q、 R、 S、 T、 W 6. The double-sided mirror would cause virtual image to be formed of objects ________. M、 N、 P、 Q、 R、 S、 T、 W 7. How can a plane mirror, concave mirror, and/or convex mirror be used to produce an image that has the same size as the object？ 8. How can a plane mirror, concave mirror, and/or convex mirror be used to produce an upright image？ 9. How can a plane mirror, concave mirror, and/or convex mirror be used to produce a real image？ 10. The image of an object is found to be upright and reduced in size. What type of mirror is used to produce such an image？
（71）
A.Programming
B. Analyzing
C. Designing
D. Modeling
（72）
A.views
B. diagrams
C. user views
D. structure pictures
（73）
A. things
B. pictures
C. languages
D. diagrams
（74）
A. Activity diagrams
B. Use-case diagrams
C. Structural diagrams
D. Behavioral diagrams
（75）
A. Activity diagrams
B. Use-case diagrams
C. Structural diagrams
D. Behavioral diagrams
A project management technique that is currently in widespread use is the(71) . 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(72) , which are events that signify the accomplishment or completion of major deliverables during the project. Most system development methodologies also provide(73), 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.(74) was developed to make clear the interdependence between project tasks before those tasks are scheduled.(75) offers the advantage of clearly showing overlapping tasks.
A．Structure Chart
B．Organizational Structure
C．Work Breakdown Structure
D．Functional decomposition diagram
A、Class Diagram
B、Usecase Diagram
C、Sequence Diagram
D、Collaboration Diagram
A.activity diagram
B.class diagram
C.dataflow diagram
D.state diagram
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