M.Sc. (Computer Science) (Semester II)
(CBCS) Examination, 2017
UML
Day Date: Monday, 24-04-2017 Max. Marks: 70
Time: 10:30 AM to 01.00 PM
N.B. Q.1 and Q2 are compulsory.
Attempt any 3 questions from Q .No 3 to No.7
Figures to the right indicate full marks.
Q.1 Choose the correct alternatives: 10
Which of the following is true about architecture?
An architecture does guarantee high quality or low cost
An architecture hardly points out areas of risk in a design
All of the above
None of the above
What encapsulates both and data manipulation functions?
Object Class Super class Sub class
Detailed design is further classified into following?
Mid- level design Low level design
All of the cave None of the above
A class is divided into which of these compartments?
Name compartment Attribute compartment
Operation compartment All of the above
What is an interaction diagram?
Interaction diagrams are the UML notations for dynamic
modeling of collaborations
Interaction diagrams are a central focus of engineering
design
All of the above
None of the above
What should be mentioned as attributes for conceptual
modeling?
Initial values Names
All of the above None of the above
An Operation can be described as?
Object behavior Class behavior
Functions Both and
Which of these are part of class operation specification format?
Name Parameter List
Return type List All of the above
Page 1 of 2
Which among these are the rules to be considered to form
class diagram?
Class symbols must have at least a name compartment.
Compartment can be a random order.
Attributes and operations can be listed at any suitable
place.
None of the above
10) An object symbol is divided into what parts?
Top compartment Bottom compartment
All of the above None of the above
State whether true or false. 04
Low-level design is the activity of filling in small details at the
lowest levels of abstraction.
Association lines may be unlabeled or they show association
name,
A dependency relation holds between two entities D and I
where change in I does not affect D.
Use case diagram is a dynamic model of interaction between
product and actors in a use case.
Q.2. Write short notes on the following: 08
i. Events and signals
ii.Use case diagrams.
Explain the following terms? 06
i. Synchronization in processes.
ii.Principles of modeling
Q.3 Answer the following:
Explain the importance of object oriented design modeling. 07
Explain in detail the common mechanisms used in structural
modeling.
07
Q.4 Answer the following:
Describe various steps in constructing object model. 07
What are advantages of UML? Also explain the building blocks
of UML.
Q.5 Answer the following
Explain various notations used in UML. 07
Explain aggregation and composition with the help suitable
example.
07
Q.6 Answer the following
What are the elements of use case diagram? Draw a use
diagram to model the behavior. Of a cell phone.
07
What is a package? How it is represented in UML? Describe
importing and exporting of package.
07
Q.7 Answer the following
What is an interaction diagram? What is the difference between
sequence diagram and collaboration diagram and collaboration
diagram
07
Explain UML software development life cycle? 07