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Welcome to the Implementation Support MCQs Page

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

Implementation Support MCQs | Page 4 of 10

Explore more Topics under Human Computer Interaction

Q31.
How does the window manager determine the active application for user input in X Window System?

a.

By the number of subwindows created by each application.

b.

By the position of the mouse pointer within the display space.

c.

By the time at which the application was launched.

d.

By the intensity of the window's colors.

Discuss
Answer: (b).By the position of the mouse pointer within the display space. Explanation:In X Window System, one way for the window manager to determine the active application for user input is by the position of the mouse pointer. The window currently under the mouse pointer becomes the active window.
Q32.
What is the purpose of the Inter-Client Communication Conventions Manual (ICCCM) in the X Window System?

a.

To define the pixel-based imaging model.

b.

To manage the allocation of resources among clients.

c.

To enforce hardware-specific policies.

d.

To provide conventions for various policy issues related to client communication.

Discuss
Answer: (d).To provide conventions for various policy issues related to client communication. Explanation:The ICCCM in the X Window System is a manual that provides conventions and guidelines for various policy issues related to client communication and interaction, such as data transfer between clients, input focus selection, and window layout schemes.
Q33.
Which term describes the window manager's decision about whether client windows can overlap or must be non-overlapping?

a.

Coordinating

b.

Tiling

c.

Overlaying

d.

Stacking

Discuss
Answer: (b).Tiling Explanation:The term "tiling" describes the policy of whether client windows in a window manager can overlap or must be non-overlapping, resembling tiles in a grid.
Q34.
What function does the window manager perform in relation to user input focus in X Window System?

a.

It transfers data between clients.

b.

It manages the layout of subwindows within a client.

c.

It determines the active client based on mouse position.

d.

It enforces hardware compatibility among clients.

Discuss
Answer: (c).It determines the active client based on mouse position. Explanation:The window manager in the X Window System plays a role in determining the active client for user input focus based on the position of the mouse pointer within the display space.
Q35.
Which programming paradigm involves a central notifier that filters events and invokes callback procedures in response?

a.

Read–evaluation loop

b.

Hierarchical control

c.

Distributed processing

d.

Notification based

Discuss
Answer: (d).Notification based Explanation:In the notification-based programming paradigm, a central notifier filters events from the window system and invokes callback procedures registered by the application program. This allows the application to declare its interest in specific events and control the flow of event processing.
Q36.
What is the primary advantage of the read–evaluation loop programming paradigm?

a.

It centralizes event processing in a notifier.

b.

It automates event filtering and callback registration.

c.

It simplifies the interaction with the window system.

d.

It provides a hierarchical control structure.

Discuss
Answer: (c).It simplifies the interaction with the window system. Explanation:The read–evaluation loop programming paradigm simplifies the interaction between the application and the window system by having the application program handle all received events. While this approach provides control over event processing, it may become cumbersome if the application needs to handle many different event types.
Q37.
In the read–evaluation loop paradigm, how does the client application respond to events?

a.

By registering callback procedures with a central notifier.

b.

By sending structured events to the server.

c.

By processing events directly within the loop.

d.

By automating event filtering using tools.

Discuss
Answer: (c).By processing events directly within the loop. Explanation:In the read–evaluation loop paradigm, the client application reads events and processes them directly within the loop. Each event type is matched to its corresponding processing code within the loop, allowing the application to respond to events.
Q38.
What is the purpose of a callback procedure in the notification-based programming paradigm?

a.

To automate event handling within the loop.

b.

To centralize event processing in the application.

c.

To communicate with the window system.

d.

To process events identified by the application for a specific action.

Discuss
Answer: (d).To process events identified by the application for a specific action. Explanation:In the notification-based programming paradigm, a callback procedure is registered by the application to process specific events that the application is interested in. The notifier invokes the callback when the corresponding event occurs.
Q39.
Which programming paradigm is used in the Macintosh for organizing the flow of control within an application?

a.

Notification based

b.

Hierarchical control

c.

Read–evaluation loop

d.

Distributed processing

Discuss
Answer: (c).Read–evaluation loop Explanation:The Macintosh uses the read–evaluation loop programming paradigm, where the client application reads and evaluates events directly within its own loop, allowing it to control the event processing flow.
Q40.
In the notification-based programming paradigm, where is the control flow centralized?

a.

Within the client application

b.

Within the read–evaluation loop

c.

In the hardware devices

d.

Within the notifier

Discuss
Answer: (d).Within the notifier Explanation:In the notification-based programming paradigm, the control flow is centralized in the notifier. The notifier filters events and invokes callback procedures registered by the application based on the events of interest.
Page 4 of 10

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