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Time: 3 hrs.

10cs71

(06 Marks)

(08 Marks)(06 Marks)

with a simple example for(06 Marks)

Seventh Semester B.E. Degree Examination, June/July 2Ot4Object-Oriented Modelling and Design

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a. A simple digital watch has a display and two buttons to set it, the A button, and the B button.The watch has two modes of operation, display time. set time in the display time mode, thewatch displays hours and minutes, separated by a flashing colon.The set time mode has two submodes, set hours, set minutes. The botton A selects modes.Each time it is pressed, the mode advances in the sequence: display. set hours, set minutes,display etc. Within the submodes the button B advances the hours or minutes once each timeit is pressed. Buttons must be released before they can generate another event. Prepare astate diagram of the watch. (08 Marks)

b. What is an event? Explain the different types of events with example for each one. (06 Marks)c. Explain the following:

i) Aggregation vs association.ii) Aggregation vs composition.

a. What do you meanobjects.

by concurrency? Explain the different types of concurrency among

b. What are the guidelines for sequence models?c. Explain the concept of swim lanes used in activity diagram

servicing an airplane.

Max. Marks:100Note: Answer uny FIVEfull questions, selecting

utleast TWO questions from each purt.

PART _ A

With respect to objected oriented modeling and design, explain the concept of OO themes.(06 Marks)

Explain the three models useful to model a system and the relationship among them.

Using the class diagram given below, prepare an object diagram for the ,*o ,riurrglltrTilff?common side under the following condition:i) A point belongs to exactly one polygon.ii) A point belongs to one or more polygon.

(06 Marks)

4 a. Explain the sequence of well-defined development stages of a software developmentprocess. (10 Marks)

b. What steps are performed in constructing a domain state model? tlO Marks)

Poi nb

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PART _ B

5 a. With the help of activity diagram, show the possible responses for theinserted by the user at the ATM.

b. How are global resources handled while designing a system, andconditions handled?

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10cs71

verification of card(08 Marks)

how are boundary(12 Marks)

Write short notes on:

? Recursing downwards.b. Two-way associations.c. Reverse engineering vs forward engineering.d. Wrapping.

a. What is a patt€In? What makes a pattern? What are its properties?b. Explain the client.dispatcher-server pattern following the pattern template.

a. Explain the view handier management pattern.

b. What is an ldiom? Explain how is the counted pointer Idiom makes memoryeasier.

(04 Marks)(06 Marks)(06 Marks)(04 Marks)

(10 Marks)(10 Marks)

(10 Marks)management

(10 Marks)

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