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Welcome to the Models of the System MCQs Page

Dive deep into the fascinating world of Models of the System with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Models of the System, a crucial aspect of Human Computer Interaction. In this section, you will encounter a diverse range of MCQs that cover various aspects of Models of the System, 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 Models of the System. 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 Models of the System. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Models of the System MCQs | Page 7 of 11

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Q61.
What is the property of "result transparency" in the context of observability?

a.

The ability to see the final printed result from the display

b.

The ability to predict future user actions based on the display

c.

The property that the display determines the system's state

d.

The property that the display reflects exactly the result obtained from the system

Discuss
Answer: (d).The property that the display reflects exactly the result obtained from the system Explanation:"Result transparency" is the property that the display of an interactive system reflects exactly the result that would be obtained from the system. It means that there exists a function from displays to results that accurately represents the system's behavior.
Q62.
What is the key difference between "result transparency" and "transparency"?

a.

"Result transparency" focuses on the display, while "transparency" focuses on the system state.

b.

"Result transparency" is about predicting future actions, while "transparency" is about current observations.

c.

"Result transparency" is stronger than "transparency" in terms of system behavior.

d.

"Result transparency" is related to the final printed result, while "transparency" is related to the display's accuracy.

Discuss
Answer: (a)."Result transparency" focuses on the display, while "transparency" focuses on the system state. Explanation:The key difference is that "result transparency" focuses on the relationship between the display and the final result, while "transparency" focuses on the relationship between the display and the system's internal state.
Q63.
What is the term used to describe the process by which a user explores the current state of an interactive system?

a.

Interaction model

b.

Cognitive strategy

c.

Observability principle

d.

Strategy strategy

Discuss
Answer: (b).Cognitive strategy Explanation:The process by which a user explores the current state of an interactive system is called a "strategy."
Q64.
What is the advantage of a passive strategy for observing the system's state?

a.

It allows the user to perform complex actions.

b.

It provides a quick way to perform user commands.

c.

It prevents disruptions to the state of application objects.

d.

It improves the system's performance.

Discuss
Answer: (c).It prevents disruptions to the state of application objects. Explanation:The advantage of a passive strategy for observing the system's state is that it does not disrupt the state of application objects. This means that the strategy doesn't modify or change the system's state during the process of observation.
Q65.
What is the "observable effect" in the context of an interactive system?

a.

The visual representation of the system's internal state

b.

The final output or result of the system's operation

c.

The set of user commands used to explore the system's state

d.

A wider view of the system than what's visible on the display

Discuss
Answer: (d).A wider view of the system than what's visible on the display Explanation:The "observable effect" refers to a wider view of the interactive system than what is visible on the display. It includes additional information about the system's interactive state beyond the visible display.
Q66.
What does the principle of "result observability" state?

a.

The observable effect contains additional information about the interactive state.

b.

The observable effect contains exactly the same information as the result.

c.

The result can be determined from the observable effect.

d.

The system is predictable if the result is observable.

Discuss
Answer: (c).The result can be determined from the observable effect. Explanation:The principle of "result observability" states that the result (final output) can be determined from the observable effect. It ensures that the observable effect contains enough information to determine the result.
Q67.
What does the principle of "full predictability" require?

a.

The system to be able to predict user actions accurately.

b.

The observable effect to be exactly the same as the system's internal state.

c.

The system to be fully transparent and observable.

d.

The system's behavior to be in accordance with principles of observability and predictability.

Discuss
Answer: (b).The observable effect to be exactly the same as the system's internal state. Explanation:The principle of "full predictability" requires that the observable effect contains exactly the same information as the system's internal state. In other words, you can observe the complete state of the system and predict anything it will do.
Q68.
What does the principle of "reachability" in interactive systems address?

a.

The ability to expand and collapse complex structures

b.

The ease of navigating through hierarchical data

c.

The ability to return to previous states or options

d.

The consistency of the system's visual appearance

Discuss
Answer: (c).The ability to return to previous states or options Explanation:The principle of "reachability" addresses the ability to return to previous states or options within an interactive system. It ensures that from any state, you can get to any other state.
Q69.
hat issue does the principle of "reachability" help prevent?

a.

Inconsistent display of hierarchical structures

b.

Blind alleys in the user interface

c.

Complex variable structures in a debugger

d.

Unintended deletions of fields or variables

Discuss
Answer: (b).Blind alleys in the user interface Explanation:The principle of "reachability" helps prevent blind alleys in the user interface, where users might end up in a state where they cannot navigate back to other options or states.
Q70.
What is the key characteristic of a system that is "reachable"?

a.

It allows users to perform complex operations effortlessly.

b.

It ensures that all user actions lead to desired outcomes.

c.

Users can easily navigate to any state from any other state.

d.

The system's behavior is consistent and predictable.

Discuss
Answer: (c).Users can easily navigate to any state from any other state. Explanation:The key characteristic of a system that is "reachable" is that users can easily navigate to any state from any other state. It ensures that users are not trapped in specific states or options without a way to return to other parts of the system.
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