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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 6 of 14

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Q51.
In a windowing system, how does each window represent a different task in the multi-threaded dialog?

a.

By combining multiple modalities of communication.

b.

By interleaving tasks to allow simultaneous communication.

c.

By forming separate input or output expressions using multiple channels.

d.

By representing a coherent subset of the dialog related to a given user task.

Discuss
Answer: (d).By representing a coherent subset of the dialog related to a given user task. Explanation:In a windowing system, each window represents a different task in the multi-threaded dialog by containing a coherent subset of the dialog related to a specific user task. Each window is designed to handle a separate task or set of related tasks, providing a focused workspace for the user to interact with specific content or perform dedicated actions. Users can switch between windows to work on different tasks concurrently, enhancing flexibility and task management in the interactive system.
Q52.
What is task migratability concerned with?

a.

Transfer of control for execution of tasks between system and user.

b.

Enabling tasks to migrate from one system to another.

c.

Allowing users to take full control of the system's tasks.

d.

Automating all tasks for efficient execution.

Discuss
Answer: (a).Transfer of control for execution of tasks between system and user. Explanation:Task migratability is concerned with the transfer of control for the execution of tasks between the system and the user, allowing them to pass the control of a task to each other or promote a task from being internal to one to being shared and cooperative.
Q53.
Why is spell-checking a good example of the need for task migratability?

a.

It helps users improve their spelling skills.

b.

It requires both automation and user intervention for specific cases.

c.

It eliminates the need for users to proofread their work.

d.

It prevents the occurrence of spelling mistakes entirely.

Discuss
Answer: (b).It requires both automation and user intervention for specific cases. Explanation:Spell-checking is an example of task migratability because it can be partially automated (using the computer's dictionary) but requires user intervention in cases where the computer's capabilities fall short (proper names and duplications).
Q54.
What is the concept of substitutivity?

a.

Replacing complex tasks with simpler ones.

b.

Allowing users to substitute their responsibilities with the system's tasks.

c.

Enabling users to switch between different input forms.

d.

Transferring tasks from one user to another.

Discuss
Answer: (c).Enabling users to switch between different input forms. Explanation:Substitutivity is the ability to replace equivalent values with each other, contributing to flexibility by allowing users to choose different forms of input. It makes calculations easier and reduces errors by minimizing cognitive effort.
Q55.
What is representation multiplicity in the context of substitutivity?

a.

The ability of the system to provide multiple outputs for a given input.

b.

The flexibility of the system in handling different types of input.

c.

The variety of ways the system can represent state information.

d.

The option for users to substitute their own representations for system output.

Discuss
Answer: (c).The variety of ways the system can represent state information. Explanation:Representation multiplicity refers to the flexibility of the system in presenting state information in various ways, allowing users to choose the most suitable representation for their current task.
Q56.
How does equal opportunity blur the distinction between input and output?

a.

By allowing users to input data using any format they prefer.

b.

By making output data available for reuse as input.

c.

By providing an equal number of input and output options.

d.

By making both input and output equally important for the system.

Discuss
Answer: (b).By making output data available for reuse as input. Explanation:Equal opportunity blurs the distinction between input and output by giving users the freedom to use output data as input and vice versa, thereby allowing for flexible interaction with the system.
Q57.
What is the principle of "If you can see it, you can use it!" according to Thimbleby?

a.

Users should have access to all system features at all times.

b.

System features should be clearly labeled and visible to users.

c.

Users should be able to manipulate any visible element on the interface.

d.

Users should be able to use any information visible on the interface as input.

Discuss
Answer: (d).Users should be able to use any information visible on the interface as input. Explanation:According to Thimbleby's principle, "If you can see it, you can use it!" means that users should be able to use any information they see on the interface as input, blurring the line between input and output and providing equal opportunity for interaction.
Q58.
How is customizability defined with respect to the user interface?

a.

The ability of the system to automatically modify its interface based on user input.

b.

The extent to which the system can be modified by the programmer during system maintenance.

c.

The modifiability of the user interface by either the user or the system.

d.

The system's ability to adapt to different user preferences without any manual intervention.

Discuss
Answer: (c).The modifiability of the user interface by either the user or the system. Explanation:Customizability refers to the modifiability of the user interface, which can be done by either the user or the system automatically.
Q59.
What is the difference between adaptability and adaptivity in the context of customizability?

a.

Adaptability is automatic customization by the system, while adaptivity involves user-initiated modifications.

b.

Adaptability refers to the automatic adjustment of input and output, while adaptivity involves the user's ability to redefine command names.

c.

Adaptability allows the user to adjust the overall structure of the interaction, while adaptivity is more implicit and involves the system's automatic adjustments.

d.

Adaptability involves the user's ability to redefine commands, while adaptivity is the automatic modification of the interface based on user expertise or observed repetition.

Discuss
Answer: (d).Adaptability involves the user's ability to redefine commands, while adaptivity is the automatic modification of the interface based on user expertise or observed repetition. Explanation:Adaptability allows the user to adjust the form of input and output, while adaptivity involves the system's automatic customization based on user expertise or observed behavior.
Q60.
What is an example of lexical customization in customizability?

a.

Allowing the user to define macros to speed up certain tasks.

b.

Providing the user with programming language capabilities for interface customization.

c.

Allowing the user to adjust the position of soft buttons on the screen.

d.

The system automatically adjusting its help system based on user behavior.

Discuss
Answer: (c).Allowing the user to adjust the position of soft buttons on the screen. Explanation:Lexical customization, a type of adaptability, allows the user to make surface-level modifications to the interface, such as adjusting the position of soft buttons or redefining command names.
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