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Welcome to the Design rules MCQs Page

Dive deep into the fascinating world of Design rules with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Design rules, a crucial aspect of Human Computer Interaction. In this section, you will encounter a diverse range of MCQs that cover various aspects of Design rules, 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 Human Computer Interaction.

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Check out the MCQs below to embark on an enriching journey through Design rules. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Human Computer Interaction.

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

Design rules MCQs | Page 7 of 14

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Q61.
What does observability refer to in the context of robustness?

a.

The ability of the user to evaluate the internal state of the system through its interface.

b.

The system's capability to predict user actions and intentions.

c.

The ease of navigating through different tasks and actions in the interface.

d.

The level of complexity in the domain concepts presented to the user at the interface.

Discuss
Answer: (a).The ability of the user to evaluate the internal state of the system through its interface. Explanation:Observability allows the user to assess the current internal state of the system by perceiving its representation at the interface, enabling them to compare it with their intentions and goals.
Q62.
What is the purpose of browsability in achieving robustness?

a.

To restrict the domain information presented to the user at one time.

b.

To enable users to view an entire document's contents.

c.

To allow users to explore the current internal state of the system.

d.

To ensure that browsing commands have no side-effects on the internal state.

Discuss
Answer: (c).To allow users to explore the current internal state of the system. Explanation:Browsability enables users to explore the current internal state of the system through limited views provided at the interface, facilitating the investigation of domain information relevant to the user's current activity.
Q63.
How should browsing commands affect the domain-specific parts of the internal state?

a.

They should actively modify the domain-specific parts of the internal state.

b.

They should have no side-effects on the domain-specific parts of the internal state.

c.

They should be designed to restrict the domain information available to the user.

d.

They should be passive only when the user is engaged in a multi-threaded dialog.

Discuss
Answer: (b).They should have no side-effects on the domain-specific parts of the internal state. Explanation:Browsing commands should be passive with respect to the domain-specific parts of the internal state, meaning they should not have any side-effects on that state. The browsing process should be non-disruptive to the system's underlying data or tasks.
Q64.
What does the principle of "defaults" contribute to robustness in the user interface?

a.

It allows users to explore the internal state of the system.

b.

It provides preset values and options to streamline user interactions.

c.

It ensures users have visibility into the operations performed by the system.

d.

It allows users to revise their task-action plan based on observations.

Discuss
Answer: (b).It provides preset values and options to streamline user interactions. Explanation:The principle of "defaults" ensures that the user interface offers preset values and options, reducing the need for users to input every setting and improving the efficiency of interactions.
Q65.
What is the purpose of "reachability" in the context of robustness?

a.

To allow users to explore the system's internal state.

b.

To provide an interface that accommodates multiple user tasks simultaneously.

c.

To ensure that all necessary information for a task is immediately perceivable.

d.

To enable users to adjust the form of input and output according to their preferences.

Discuss
Answer: (c).To ensure that all necessary information for a task is immediately perceivable. Explanation:"Reachability" ensures that all the information needed for a particular task is accessible and perceivable at the interface, reducing the need for users to search extensively for relevant data.
Q66.
How does "persistence" contribute to robustness in user interactions?

a.

It allows users to browse the internal state without affecting domain-specific parts.

b.

It enables users to retain the previously entered data or settings for continuity.

c.

It provides flexibility for users to choose between user-initiated or system-initiated modifications.

d.

It ensures that all operations performed by the system are clearly visible to the user.

Discuss
Answer: (b).It enables users to retain the previously entered data or settings for continuity. Explanation:"Persistence" allows the system to retain previously entered data or settings, allowing users to continue their interactions smoothly without the need to re-enter information.
Q67.
How does providing default values contribute to error prevention?

a.

By allowing the user to passively recall suggested responses.

b.

By reducing the number of physical actions required for input.

c.

By dynamically computing values based on previous user inputs.

d.

By adapting default values from the system's initialization.

Discuss
Answer: (b).By reducing the number of physical actions required for input. Explanation:Providing default values reduces the need for users to input values manually, thus minimizing the chance of errors and streamlining the interaction process.
Q68.
What is the main difference between static and dynamic defaults?

a.

Static defaults are predefined within the system, while dynamic defaults evolve during the session.

b.

Static defaults evolve during the session, while dynamic defaults are predefined within the system.

c.

Static defaults are computed by the system, while dynamic defaults are defined at initialization.

d.

Static defaults do not change with the session, while dynamic defaults change based on previous user inputs.

Discuss
Answer: (a).Static defaults are predefined within the system, while dynamic defaults evolve during the session. Explanation:Static defaults are either defined within the system or acquired at initialization and do not change with the session. Dynamic defaults, on the other hand, evolve during the session based on previous user inputs.
Q69.
How does reachability affect the recoverability of an interactive system?

a.

It defines the amount of flexibility in the system.

b.

It reflects the ability of the user to navigate through different states.

c.

It contributes to error prevention by suggesting correct responses.

d.

It determines the duration of the effect of a communication act.

Discuss
Answer: (b).It reflects the ability of the user to navigate through different states. Explanation:Reachability refers to the possibility of navigation through the observable system states, and it affects the recoverability of the system by allowing users to move from one state to another.
Q70.
What is the significance of persistence in the context of communication acts?

a.

It determines the amount of flexibility in the system.

b.

It reflects the ability of the user to manipulate visual information.

c.

It affects the recoverability of the system after communication.

d.

It ensures that vocal communication effects persist in the user's memory.

Discuss
Answer: (b).It reflects the ability of the user to manipulate visual information. Explanation:Persistence in the context of communication acts refers to the duration of the effect of a communication act and the user's ability to make use of that effect, particularly in the case of visual communication where information remains as an object that users can manipulate.
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