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Welcome to the Modeling MCQs Page

Dive deep into the fascinating world of Modeling with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Modeling, a crucial aspect of Software Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Modeling, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Software Engineering.

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Check out the MCQs below to embark on an enriching journey through Modeling. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Software Engineering.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Modeling. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Modeling MCQs | Page 3 of 15

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Q21.
What is Entity-Relationship Modeling?

a.

A data modeling technique which mixes up implementation concerns with logical structure of data

b.

A data modeling technique which separates implementation concerns from logical structure of data

c.

A data modeling technique which doesn't consider logical structure of data

d.

None of the above.

Discuss
Answer: (b).A data modeling technique which separates implementation concerns from logical structure of data Explanation:Entity-Relationship Modeling is a data modeling technique which separates implementation concerns from logical structure of data
Q22.
What is an Entity in Entity-Relationship Modeling?

a.

A thing that can't be uniquely identified

b.

A thing that can be uniquely identified

c.

A property of an entity

d.

None of the above

Discuss
Answer: (b).A thing that can be uniquely identified Explanation:An Entity in Entity-Relationship Modeling is a thing that can be uniquely identified.
Q23.
What is an attribute in Entity-Relationship Modeling?

a.

A value of an entity.

b.

A property of an entity.

c.

A relationship between entities.

d.

None of the above.

Discuss
Answer: (b).A property of an entity. Explanation:An attribute in Entity-Relationship Modeling is a property of an entity.
Q24.
What is a type in Entity-Relationship Modeling?

a.

A property of an entity.

b.

A set of properties shared by instances of an entity.

c.

A set of values with associated operations.

d.

Both b and c

Discuss
Answer: (d).Both b and c Explanation:In Entity-Relationship Modeling, a type is both a set of properties shared by instances of an entity and a set of values with associated operations.
Q25.
What is a relationship in Entity-Relationship Modeling?

a.

A value of an entity.

b.

A property of an entity.

c.

A link between entities.

d.

None of the above.

Discuss
Answer: (c).A link between entities. Explanation:In Entity-Relationship Modeling, a relationship is a link between entities.
Q26.
What are the different cardinalities of relationships in Entity-Relationship Modeling?

a.

1--1

b.

1--N

c.

N--M

d.

All of the above.

Discuss
Answer: (d).All of the above. Explanation:In Entity-Relationship Modeling, the relationships can be 1--1, 1--N, or N--M.
Q27.
What is the main difference between Entity-Relationship Modeling and data modeling techniques before the 1970s?

a.

Entity-Relationship Modeling only deals with logical structure of data

b.

Data modeling techniques before the 1970s only dealt with implementation of data

c.

Entity-Relationship Modeling deals with both logical structure and implementation of data

d.

None of the above

Discuss
Answer: (a).Entity-Relationship Modeling only deals with logical structure of data Explanation:Entity-Relationship Modeling only deals with logical structure of data, whereas the data modeling techniques before the 1970s mixed up implementation concerns with the logical structure of the Unit of Data.
Q28.
What is a Finite State Machine (FSM)?

a.

A technique for modeling a system in terms of events

b.

A technique for modeling a system in terms of states and transitions between states

c.

A technique for modeling a system in terms of objects and attributes

d.

A technique for modeling a system in terms of activities and workflows

Discuss
Answer: (b).A technique for modeling a system in terms of states and transitions between states Explanation:A Finite State Machine (FSM) is a requirements specification technique that models a system in terms of states and transitions between states.
Q29.
What is the purpose of the initial state in an FSM?

a.

To represent the current state of the system

b.

To represent the final state of the system

c.

To specify the starting point of the machine

d.

To specify the ending point of the machine

Discuss
Answer: (c).To specify the starting point of the machine Explanation:The initial state in an FSM is a specially designated state from which the machine starts.
Q30.
What is the purpose of the final state in an FSM?

a.

To represent the current state of the system

b.

To represent the starting point of the machine

c.

To specify the ending point of the machine

d.

None of the above

Discuss
Answer: (c).To specify the ending point of the machine Explanation:Usually, one or more states are designated as final states in an FSM to specify the ending point of the machine.
Page 3 of 15

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