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Welcome to the The Computer MCQs Page

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

The Computer MCQs | Page 13 of 26

Explore more Topics under Human Computer Interaction

Q121.
What advantage does the dataglove offer as an input device?

a.

Easy to use

b.

Low cost

c.

Compatible with keyboards

d.

Limited in expressive capabilities

Discuss
Answer: (a).Easy to use Explanation:The dataglove is easy to use and offers a high level of expressiveness with its ability to provide 10 joint angles, 3D spatial information, and wrist rotation.
Q122.
What are the two purposes of helmets or goggles worn in some VR systems?

a.

To display the 3D world to each eye

b.

To track the user's head position

c.

To manipulate virtual objects

d.

To control movement in virtual space

Discuss
Answer: (a).To display the 3D world to each eye Explanation:Helmets or goggles worn in some VR systems serve the purposes of displaying the 3D world to each eye and tracking the user's head position.
Q123.
How is head tracking used in VR systems?

a.

To determine the direction of movement within the virtual space

b.

To manipulate virtual objects using eye movements

c.

To provide visual feedback based on head movement

d.

To track the position of the user's body

Discuss
Answer: (a).To determine the direction of movement within the virtual space Explanation:In some VR systems, head tracking is used to determine the direction of movement within the virtual space and can even influence the manipulation of objects, similar to how eyegaze systems work.
Q124.
What is the analogy used to explain the relationship between head direction and movement in VR systems?

a.

Leading a horse in reverse

b.

Driving a car without looking in the direction you're going

c.

Surfing through virtual space

d.

Leaning into curves on a motorbike

Discuss
Answer: (a).Leading a horse in reverse Explanation:The analogy used is "leading a horse in reverse." In VR systems, the user's head direction is used to determine the direction of movement, similar to how you use reins to pull a horse's head in the desired direction.
Q125.
How do some VR systems track whole-body movement?

a.

By using motorbike bodies for leaning into curves

b.

By wiring up small trampolines for weight control

c.

By tracking body movement with devices similar to datagloves

d.

By attaching white spots on the user's body and using cameras for tracking

Discuss
Answer: (c).By tracking body movement with devices similar to datagloves Explanation:Some VR systems track whole-body movement by using devices similar to datagloves, which detect joint angles and wrist rotation. Alternatively, white spots can be attached to various points on the user's body and tracked using cameras to determine the position of each joint.
Q126.
What is a potential advantage of using image-processing techniques for whole-body tracking?

a.

Fashion-conscious tracking techniques

b.

Improved accuracy in tracking joint positions

c.

Less intrusive tracking methods

d.

Greater control over movement in virtual space

Discuss
Answer: (c).Less intrusive tracking methods Explanation:Image-processing techniques for whole-body tracking, where white spots are attached to the user's body and tracked using cameras, can provide less intrusive tracking methods compared to devices like datagloves. This allows for greater freedom of movement and reduces the need for wearable tracking devices.
Q127.
What is the future of tracking techniques in VR systems?

a.

The focus will be on controlling movement with motorbike bodies.

b.

Fashion-conscious tracking techniques will become more prevalent.

c.

Intrusive tracking devices like datagloves will continue to be used.

d.

Less intrusive tracking techniques are being explored and developed.

Discuss
Answer: (d).Less intrusive tracking techniques are being explored and developed. Explanation:While some tracking techniques like datagloves exist, there is an ongoing exploration and development of less intrusive tracking techniques. This indicates a future focus on finding methods that are more convenient and comfortable for users.
Q128.
What effects are used to create a 3D impression in desktop VR?

a.

Shadows

b.

Occlusion

c.

Perspective

d.

All of the above

Discuss
Answer: (d).All of the above Explanation:Shadows, occlusion (where one object covers another), and perspective are effects used to create a 3D impression in desktop VR.
Q129.
How can 3D images be viewed over the World Wide Web?

a.

Using virtual reality goggles

b.

Using a VRML-enabled browser

c.

Using stereoscopic displays

d.

Using special 3D glasses

Discuss
Answer: (b).Using a VRML-enabled browser Explanation:3D images can be viewed over the World Wide Web using a VRML-enabled browser. VRML (Virtual Reality Markup Language) allows for the delivery of desktop VR experiences through a standard computer screen.
Q130.
What is stereoscopic vision?

a.

Depth perception based on shadows

b.

The ability to perceive 3D depth using both eyes

c.

The use of occlusion to judge distances

d.

Perspective distortion to create 3D effects

Discuss
Answer: (b).The ability to perceive 3D depth using both eyes Explanation:Stereoscopic vision is the ability to perceive 3D depth using both eyes. Each eye sees a slightly different image, allowing the brain to assess the relative distance of objects.
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