exam 2

Question 1

Deciding on the architecture of a software product is performed by the software architect.
True or false

Answer 1

True

Question 2

The detailed design of a module can be represented in tabular format or using pseudocode
True or false

Answer 2

True

Question 3

Data flow analysis is only suitable when there is single input stream and single output stream.
True or false

Answer 3

False

Question 4

Design testing is not performed in the classical design.
True or false

Answer 4

False

Question 5

The two key steps of object-oriented design are to complete the class diagram and perform the detailed design.
True or false

Answer 5

True

Question 6

Data flow analysis is a data-oriented design technique.
true or false

Answer 6

false

Question 7

We should not add an item to a UML diagram until strictly necessary to minimize rework.
true or false

Answer 7

true

Question 8

Good design has high cohesion and low coupling.
true or false

Answer 8

true

Question 9

Data flow analysis (DFA) is inappropriate for transaction processing products.
true or false

Answer 9

true

Question 10

Two modules are ________________ coupled if they have write access to global data.

Answer 10

Common

Question 11

Polymorphism and dynamic binding can have a negative impact on maintenance.
true or false

Answer 11

true

Question 12

Among the following cohesion types, which of them should be preferred (promotes reuse)?

Answer 12

Informational Cohesion

Question 13

Among the following coupling types, which of them should be preferred (promotes reuse)?

Answer 13

Data Coupling

Question 14

An instance of a superclass inherits all attributes of its subclass.
true or false

Answer 14

false

Question 15

The object-oriented paradigm gives overall equal attention to data and operations.
true or false

Answer 15

true

Question 16

If a module performs multiple, completely unrelated actions, the module should be broken into separate modules, each performing one task.
true or false

Answer 16

true

Question 17

Two modules are __________________ coupled if a data structure is passed as a parameter, but the called module operates on some but not all of the individual components of the data structure.

Answer 17

Stamp

Question 18

_______________ refers to the ability of a function to be applied to different argument types, or an object to refer to instances of various classes at run-time.

Answer 18

Polymorphism

Question 19

Inheritance is not supported by Java and C++.
true or false

Answer 19

false

Question 20

A computer program is said to be portable if there is very low effort required to make it run on different platforms.
true or false

Answer 20

true

Question 21

A useful technique for increasing the portability of system software is to use levels of abstraction.
true or false

Answer 21

true

Question 22

Which of the following design patterns solves the implementation incompatibilities?

Answer 22

Adapter

Question 23

Reusable parts are constructed first in the systematic (deliberate) reuse, and then, products are built using these parts.
true or false

Answer 23

true

Question 24

Only design patterns can be reused in software development.
true or false

Answer 24

false

Question 25

Reuse does not have an effect on maintenance. true or false

Answer 25

false

Question 26

Which of the following design patterns allows you to decouple an abstraction from its implementation.

Answer 26

Bridge

Question 27

Software developed in one context needs to be retested when integrated into another context. True or false

Answer 27

true

Question 28

Which of the following design patterns allows you to traverse elements of a collection without exposing its underlying representation?

Answer 28

Iterator

Question 29

There is as yet no systematic way to determine when and how to apply design patterns. true or false

Answer 29

true