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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 6 of 15

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Q51.
What is the American view of objects?

a.

Objects are conceptual models of some part of a real or imaginary world

b.

Objects are about identifying reusable components and building their inheritance hierarchy

c.

Objects are not important in software development

d.

Objects are just a collection of identity, variables, and operations

Discuss
Answer: (b).Objects are about identifying reusable components and building their inheritance hierarchy Explanation:The American view of objects is that objects are about identifying reusable components and building their inheritance hierarchy.
Q52.
What is the difference between object-based and object-oriented programming languages?

a.

Object-based languages allow for encapsulating abstract data types in modules

b.

Object-oriented languages support inheritance

c.

Object-based languages allow for encapsulating data and operations

d.

Object-oriented languages support data abstraction

Discuss
Answer: (b).Object-oriented languages support inheritance Explanation:A programming language that allows for encapsulating abstract data types in modules is called object-based, while the adjective object-oriented is reserved for languages that also support inheritance.
Q53.
What is the philosophical viewpoint of objects?

a.

Objects are a unifying notion underlying all computation

b.

Objects are data abstractions

c.

Objects are eternal entities

d.

Objects are a representation of information

Discuss
Answer: (a).Objects are a unifying notion underlying all computation Explanation:According to the philosophical viewpoint, objects are existential abstractions and act as a unifying notion underlying all computation.
Q54.
What are the two types of entities according to the philosophical viewpoint of objects?

a.

Objects and abstractions

b.

Values and objects

c.

Objects and modules

d.

Abstract data types and values

Discuss
Answer: (b).Values and objects Explanation:According to the philosophical viewpoint, there are two types of entities: those that have a natural beginning and end (objects) and those with eternal existence (values).
Q55.
What is the software engineering viewpoint of objects?

a.

Objects are a unifying notion underlying all computation

b.

Objects are data abstractions

c.

Objects are eternal entities

d.

Objects are a representation of information

Discuss
Answer: (b).Objects are data abstractions Explanation:The software engineering viewpoint of objects is that they are data abstractions that encapsulate data as well as operations on that data.
Q56.
What is an object in the implementation viewpoint?

a.

A data structure

b.

A contiguous structure in memory

c.

A combination of data elements and code elements

d.

Both b and c

Discuss
Answer: (d).Both b and c Explanation:An object in the implementation viewpoint is considered a contiguous structure in memory and can be regarded as a record of data and code elements.
Q57.
What are the two types of representation for objects in the implementation viewpoint?

a.

Value semantics and reference semantics

b.

Atomic objects and aggregate objects

c.

High-level language semantics and low-level language semantics

d.

Possessed-by relation and shared objects

Discuss
Answer: (a).Value semantics and reference semantics Explanation:The two types of representation for objects in the implementation viewpoint are value semantics and reference semantics.
Q58.
What is the difference between value semantics and reference semantics in object representation?

a.

Value semantics is used for sharable objects, while reference semantics is not.

b.

Reference semantics is used for primitive objects, while value semantics is not.

c.

Value semantics dispenses with references, while reference semantics uses references.

d.

Reference semantics is used for sharable objects, while value semantics is not.

Discuss
Answer: (c).Value semantics dispenses with references, while reference semantics uses references. Explanation:In value semantics, all references are dispensed with, while in reference semantics, data is represented as either an atomic object or as an aggregate of references to other objects.
Q59.
Why is pure reference semantics considered inefficient?

a.

It uses references for primitive objects like integers or characters

b.

It dispenses with references for atomic objects

c.

It requires sharable objects

d.

It is not suited for high-level language semantics

Discuss
Answer: (a).It uses references for primitive objects like integers or characters Explanation:Pure reference semantics is considered inefficient because it uses references for primitive objects like integers or characters.
Q60.
How is the choice of storage model reflected in high-level language semantics?

a.

By the choice of a particular storage scheme

b.

By the use of value semantics or reference semantics

c.

By the possession of objects

d.

By the comparison of objects

Discuss
Answer: (a).By the choice of a particular storage scheme Explanation:The choice of a particular storage model is reflected in the high-level language semantics.
Page 6 of 15

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