M.C.A. (Science) (Semester-IV) Old (CGPA) Examination, 2017
UML
Day Date: Monday, 24-04-2017 Max. Marks: 70
Time: 02.30 PM to 05.00 PM
Instruction: Question no. 1 and 2 are compulsory.
Attempt any 3 questions from Q. no. 3 to Q. no. 7.
Figures to the right indicate full marks.
Q.1 A Choose correct alternatives 10
What is collection of model elements called?
Box Dependency D
UML packages Package members
What encapsulates both data and data manipulation
functions?
Object Class
Super Class Sub class
Which of the following is not element of UML diagram
notation?
Icons Vertex a
String None of the above
In UML diagram of a class
State of object cannot be represented
State is irrelevant
State is represented as an attribute
State is represented as a result of an operation.
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 is the programming style of the object oriented
conceptual mode
Invariant relationships
Algorithms
Page 2 of 3
Classes Objects
Goal often expressed in a predicate calculus
An Operation can be described as?
Object behavior Class behavior I
Functions Both(a) and
Which among the following are not the valid notations for
package and component diagram?
Nodes Box a. I
Extension mechanism Packages
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 in a random order.
Attributes and operations can be listed at any suitable
place.
None of the above
10) Which of the following is not kind of prototype?
Horizontal Vertical I
Lateral All of the above
State True or False 4
Encapsulation is when a client of a module is NOT able to
know more than is in the interface.
Artifacts instances types have same names
Association lines may be unlabeled or they may show
association name.
Use case diagram is a dynamic model of interaction between
product and actors in a use case.
Q2 Write short notes of the following 8
Class and object diagrams.
II) State machines.
Explain the following terms? 7
Synchronization in processes.
II) Conceptual model of UML
Q3 Answer the following
Explain the importance of object oriented design modeling 7
Explain in detail the common mechanisms used in structural
modeling
7
Q4 Answer the following.
Explain the terms and concepts used in use case diagram and
activity diagram.
7
Page 3 of 3
What are the advantages of UML? Also explain the building
blocks of UML.
7
Q5 Answer the following.
Explain UML software development life cycle? 7
Explain aggregation and composition with the help of suitable
example
7
Q6 Answer the following.
Draw the class diagram and sequence diagram for online digital
library system
7
What is a package? How it is represented in UML? Describe
importing and exporting of package
7
Q7 Answer the following.
What is an interaction diagram? What is the difference between
sequence diagram and collaboration diagram
7
Explain various notations used in UML. 7