Exam 1 Review

Question 1

Which of the following is not an aim of software engineering?

Answer 1

Writing the code as quickly as possible without proper documentation.

Question 2

The object-oriented paradigm promotes reuse; because objects are independent entities, they can generally be utilized in future products.

Answer 2

True

Question 3

Defining the software development as traditional engineering solved all software problems.

Answer 3

True

Question 4

Modern maintenance is defined operationally and it covers all modifications before or after installation of the product.

Answer 4

True

Question 5

The claim that building software is similar to other engineering tasks was endorsed by the 1968 NATO Software Engineering Conference held in Garmisch, Germany.

Answer 5

True

Question 6

In the object-oriented design, degree of interaction between two modules (classes) should be as high as possible.

Answer 6

False

Question 7

Incrementation adds functionality to a software product, whereas iteration improves the quality of an increment.`

Answer 7

True

Question 8

Which of the following is not a separate phase in the classical software life-cycle model?

Answer 8

Documentation

Question 9

Adding a new functionality to the software product to improve its performance is an example of

Answer 9

Perfective maintenance

Question 10

A failure is the observed incorrect behavior of the software product as a consequence of a fault.

Answer 10

True

Question 11

Within a software organization, the primary task of the software quality assurance (SQA) group is to test that the developers’ product is correct.

Answer 11

True

Question 12

Removing the residual faults in the software without changing the specifications is an example of

Answer 12

Corrective maintenance

Question 13

Execution-based testing can be used in the requirements, analysis, and design workflows.

Answer 13

False

Question 14

The Unified Process uses a graphical language, the Unified Modeling Language (UML) to represent the software being developed.

Answer 14

True

Question 15

Updating the product as a result of new government regulations is an example of

Answer 15

Adaptive maintenance

Question 16

If a use case U1 does not interact with an actor and it is a portion of another use case U2, there should be “include” relationship between U1 and U2.

Answer 16

True

Question 17

Rapid prototypes must be built using the same language with the final product.

Answer 17

False (Can be built with different languages)

Question 18

The aim of requirements workflow is to determine what the client wants.

Answer 18

False (Determine what they NEED, not WANT)

Question 19

A use case models an interaction between the software product itself and the actors of that software product.

Answer 19

True

Question 20

In the iterative and incremental life-cycle model, test workflow starts once the implementation workflow ends.

Answer 20

False (Workflows can overlap)

Question 21

In each iteration of the use-case diagram, a new use case must be added.

Answer 21

False

Question 22

In use case diagrams, an actor must be a user of the software product.

Answer 22

False (Can be a third party providing information for input)

Question 23

Functional requirements are handled while the requirements and analysis workflows are being performed, whereas some nonfunctional requirements may have to wait until the design workflow.

Answer 23

True

Question 24

Which of the following techniques is the most effective and the primary technique for obtaining information for the business model?

Answer 24

Interviewing

Question 25

Data flow diagram shows the relationships of entity sets stored in a database.

Answer 25

False (shows the logical data flow)

Question 26

A decision tree makes it easy to check that all possibilities have been taken into account when we define the logic of processes.

Answer 26

True

Question 27

The specification document is a contract between client and developer. It specifies precisely what the product must do and the constraints on the product.

Answer 27

True

Question 28

Gane and Sarsen’s method uses structured systems analysis, a nine-step technique, to analyze the client’s needs. Stepwise refinement is used in many of those steps.

Answer 28

True

Question 29

Which of the following diagram can be used for use-case realization?

Answer 29

Sequence diagram

Question 30

Software Project Management Plan is drawn up in the analysis workflow in the object-oriented paradigm.

Answer 30

True

Question 31

We should assign the methods of the classes in the object-oriented analysis.

Answer 31

False

Question 32

Which class type models complex computations and algorithms?

Answer 32

Control class

Question 33

Noun extraction is used to extract control classes.

Answer 33

False

Question 34

Software Engineering

Answer 34

A discipline whose aim is the production of fault-free software, delivered on time and within budget, that satisfies the client’s need

Question 35

Classical model life-cycle model

Answer 35

1) Requirements phase
2) Analysis phase
3) Design phase
4) Implementation phase
5) Postdelivery phase
6) Retirement

Development-then-maintenance

Question 36

Object

Answer 36

A software component that incorporates both data and the actions that are performed on that data

Question 37

Iteration

Answer 37

Each successive version is closer to its target than its predecessor, performed for each incrementation as substeps

Question 38

Increment

Answer 38

Steps in a step-wise refinement, concentrates on the most important chunks (units of information)

Question 39

The Unified Process

Answer 39

The software process is the way we produce software, is an adaptable methodology

Question 40

Cost-benefit Analysis

Answer 40

A way of determining whether a possible course of action would be profitable, a fundamental technique in deciding whether a client should computerize his or her business

Question 41

Metrics

Answer 41

1) Size
2) Cost
3) Duration
4) Effort
5) Quality

Question 42

CASE

Answer 42

Computer-Aided Software Engineering, can refer to a tool, workbench, or environment

Question 43

Module

Answer 43

A lexically contiguous sequence of program statements bounded by boundary elements

Question 44

3 Design Objectives

Answer 44

Ensure that:
1) Coupling (degree of interaction between two modules) as as low as possible
2) Cohesion (degree of interaction within a module) is as high as possible
3) Information hiding is maximized