ARVR QUIZ-1

What are the Three I's of Virtual Reality?

a) Interaction, Interface, Imagination

b) Immersion, Interaction, Imagination

c) Isolation, Immersion, Interface

d) Intangibility, Interaction, Integration

Which component is responsible for creatingthe tactile sensations in VR, such as vibrations and force feedback?

a) CPU                  b) GPU                 c) Haptic feedback device             d) Headset

Which term refers to the perception of depth and three-dimensionality through the use of two eyes?

a) Monocular vision         b) Depth perception        c)Binocular vision            d) Peripheral vision

 Which type of sensor uses angular-rate gyroscopes, linear accelerometers, and magnetometers?

a) Mechanical sensing                                                  b)Acoustic sensing

c) Inertial sensing                                                          d) Opticalsensing

How does millimeter wave radar sensing differ from traditional radar sensing?

a) It can track large objects like ships and aircraft.

b) It is less accurate.

c) It cannot detect hand gestures.

d) It can detect subtle hand movements forgesture recognition.

What bioelectric sensor technology is commonly used in 3D gestural input?

a) Electrocardiography (ECG)                                      b) Electroencephalography (EEG)

c) Electromyography (EMG)                                        d) Electroretinography (ERG)

What was the "bat," developed by Colin Ware in the late 1980s?

a) A flying computer mouse.

b) A handheld 3D mouse with a tracking device.

c) An early 2D computer mouse.

d) A virtual reality headset.

Which technology does the Cubic Mouse primarily use for interacting with 3D objects?

a) Acoustic tracking                                                      b) Inertial sensors

c) Optical sensing                                                          d) Haptic feedback

 What is the maximum Field of View (FOV) of the human visual system, approximately?

a) 60 degrees                                                                  b)90 degrees

c) 120 degrees                                                               d) 180 degrees

 How does spatial resolution relate to pixel size on a visual display?

a) The larger the pixels, the higher there solution.

b) Resolution is only dependent on the number of pixels.

c) Smaller pixels result in higher resolution.

d) Pixel size has no effect on resolution.

Why is a high refresh rate important for visual display devices in 3D UIs?

a) To increase the number of colors displayed

b) To enhance spatial resolution

c) To reduce latency and improve user interaction

d) To create 3D depth cues

What are some examples of presence-enhancing elements mentioned in the provided information?

a) Enhancing hardware compatibility                                      b) Minimizing interaction types

c) Increasing simulation fidelity                                                d) Reducing special effects

To ensure smooth animation of objects in aVR scene, at what frame rate should the scene be rendered?

a) 5 Hz                                                                                             b)10 Hz

c) 20 Hz                                                                                           d) 30 Hz

For mapping textures onto the surfaces of3D objects, what is the technique used?

a) Projection                                                                                  b) Clipping

c) Rasterization                                                                             d) Texture mapping

How are images presented on HWDs typically magnified and displayed to the user's eyes?

a) Through holographic projection

b) Using direct retinal scanning

c) By using refractive lenses and/or mirrors

d) With the help of augmented reality glasses