req 2

Question 1

What is the outcome of requirements development?

Answer 1

A documented agreement among stakeholders about the product to be built.

Question 2

What typically contains business requirements?

Answer 2

A business case or vision document.

Question 3

How are user requirements captured?

Answer 3

In the form of use cases or user stories.

Question 4

What is a Software Requirements Specification (SRS)?

Answer 4

A document that includes the product’s functional and nonfunctional requirements.

Question 5

What is the most practical way to document requirements for software projects?

Answer 5

Structured natural language, augmented with visual models and other representation techniques.

Question 6

What is the purpose of a unique persistent identifier for each requirement?

Answer 6

To track in change requests, modification histories, and requirements traceability matrices.

Question 7

What are some examples of unique persistent identifiers?

Answer 7

Unique sequence numbers, hierarchical numbering, or hierarchical text tags.

Question 8

True or False: UI designs in the SRS can replace written user and functional requirements.

Answer 8

False.

Question 9

What does Section 1.1 of a Template SRS cover?

Answer 9

The purpose of the document.

Question 10

What is included in Section 2.1 of a Template SRS?

Answer 10

Product perspective, describing the product context and origin.

Question 11

What should be identified in Section 2.2 of a Template SRS?

Answer 11

User classes and characteristics.

Question 12

What does Section 5 of a Template SRS cover?

Answer 12

External interface requirements.

Question 13

List the quality attributes mentioned in Section 6.

Answer 13

• Usability
• Performance
• Security
• Safety

Question 14

What are the characteristics that each requirement should have?

Answer 14

• Complete
• Correct
• Feasible
• Necessary
• Prioritized
• Unambiguous
• Verifiable

Question 15

What is the goal of writing good requirements?

Answer 15

To ensure consistent interpretation among readers and match the author’s intended meaning.

Question 16

What is a generic template for a requirement from the system perspective?

Answer 16

[optional precondition] [optional trigger] the system shall [expected system response].

Question 17

Fill in the blank: The _______ shall be able to [do something] [to some object].

Answer 17

[user class or actor name]

Question 18

What writing style should be avoided to improve clarity in requirements?

Answer 18

Passive voice.

Question 19

What should be avoided in requirements to prevent ambiguity?

Answer 19

Compound logical statements and negative requirements.

Question 20

What visual representation techniques can be used for system external interfaces?

Answer 20

• Context Diagrams
• Use Case Diagrams
• Data Flow Diagrams
• Ecosystem map
• Swim lanes

Question 21

What is the generic syntax for writing requirements according to EARS?

Answer 21

<optional> <optional> the <system> shall <system>.
</system></system></optional></optional>

Question 22

What type of requirement is always active and has no preconditions or trigger?

Answer 22

Ubiquitous Requirements.

Question 23

What is the definition of usability according to ISO 9241, part 11?

Answer 23

The extent to which a product can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use.

Question 24

What is the role of requirements engineering in usability?

Answer 24

To define usability characteristics early in the development process and measure them throughout.

Question 25

What does Requirements Engineering define in relation to usability?

Answer 25

The target usability level of an application in advance and ensures that the software developed reaches that level.

Question 26

What is usability?

Answer 26

The extent to which a system, product, or service can be used by specified users to achieve specified goals with effectiveness, efficiency, and satisfaction in a specified context of use.

Question 27

List the five usability attributes outlined in the paper.

Answer 27

* Learnability * Efficiency * User retention over time * Error rate * Satisfaction

Question 28

Define learnability in the context of usability.

Answer 28

How easy it is to learn the main system functionality and gain proficiency to complete the job.

Question 29

What does efficiency measure in usability?

Answer 29

The number of tasks per unit of time that the user can perform using the system.

Question 30

What is meant by user retention over time?

Answer 30

The ability for intermittent users to use the system without climbing the same learning curve from scratch each time.

Question 31

What contributes negatively to usability?

Answer 31

Error rate from the number of errors the user makes while performing the task.

Question 32

What does satisfaction quantify in usability?

Answer 32

A user's subjective impression of the system.

Question 33

True or False: Learnability and efficiency can influence each other negatively.

Answer 33

True

Question 34

What is the first phase of the usability process?

Answer 34

Usability Analysis

Question 35

What is involved in user analysis?

Answer 35

Site visits, focus groups, surveys, derived data, and contextual inquiry.

Question 36

What are usability benchmarks?

Answer 36

Quantitative usability goals defined before system design begins, based on the five usability attributes.

Question 37

What is conceptual design in the usability design phase?

Answer 37

Defining the basic user-system interaction, its context, and the objects in the UI.

Question 38

What is the purpose of prototyping in usability?

Answer 38

To help users understand tangible system prototypes much better than abstract specs.

Question 39

What is formative assessment in usability evaluation?

Answer 39

Asking the test participant to reason aloud while using the system.

Question 40

List three usability principles according to Nielsen.

Answer 40

* Simple and Natural Dialogue * Speak the User's Language * Minimize the User's Memory Load

Question 41

What does the System Usability Scale (SUS) measure?

Answer 41

A quick and dirty survey method for assessing a system's usability.

Question 42

How is the SUS score calculated?

Answer 42

Multiply the sum of scores by 2.5 for the overall value (between 0 and 100).

Question 43

What is UMUX?

Answer 43

A four-question survey that serves as a proxy for the ten-question SUS.

Question 44

What is accessibility?

Answer 44

The extent to which products, systems, services, environments, and facilities can be used by people from a wide range of characteristics and capabilities.

Question 45

How does usability differ from accessibility?

Answer 45

Usability specifies a group, while accessibility targets the broadest range of users possible.

Question 46

What is a key requirement for accessibility in web development?

Answer 46

Making a website or mobile application perceivable, operable, understandable, and robust.

Question 47

List two cognitive accessibility tips.

Answer 47

* Deliver content in more than one way * Make content easily understood, using plain language standards

Question 48

What is the role of semantic HTML in accessibility?

Answer 48

It helps screen readers understand the content more effectively.

Question 49

What is WAI-ARIA?

Answer 49

A standard to provide additional semantics for screen readers where native semantic HTML cannot be relied upon.

Question 50

What should be considered for mobile accessibility?

Answer 50

Ensure input is simple, the interface works on touch, and the design is responsive.