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COMP 654 - Exam 2 Prep Flashcards | StudBud
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COMP 654 - Exam 2 Prep
COMP 654 - Exam 2 Prep
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1
Which of these is not a degree of freedom? (3-DOF)
Yaw
Axe
Pitch
Roll
2
A method allowing a user to accomplish a task in a 3D UI
3D Interaction Technique
3D User Interface
3D Interaction
3
What is the name for this type of input device? Race Car Controller with gas peddals that you plug in
Hand-Worn Device
Tracked Handheld Device
Non-Tracked Device
World-Grounded Device
4
What is an example of an Occlusion Technique? - P2
Animation occurs cursor interacts w/ object
Executing a command/code to summon a can of jelly
Using a pointer to only point at far away objects
Highlight's appears when cursor interacts w/ object
5
Form of tracking where the device senses the world around it
Reaction
Active
Triangulation
Passive
6
What is/are of the input characteristics of Microphones? - P2
Consistent
General Purpose
Unencumbered
Physical Buttons
7
How do I use the system?
Gulf of Execution
Gulf of Evaluation
Human Computer Interaction
8
What are some of the challenges with developing/playing with bare hands Input devices? -P4
Requires testing with different skin tones
Hand Fatiuge
Lacking sense of touch
It's Really Really REALLLLY Hard Bruh
9
The ability to identify the source position of a sound
Spatialzation
Localization
Vision
Active Tracking
10
Variables that affect user performance -P2
Object Looks
Object distance from user
Density of objects in area
11
This is a human topic; some people are better at it than others
Localization
Spatialization
12
What are the elements in the HOMER technique of manipulation?
Hand-Centered, Object,Manipulation,Extending,Ray-Casting
Homie,OttoMan,Mr.Burns,Eddie,RodFlanders
Hand-Centered, Object,Manipulation,Extra-Dimensions,Ray-Casting
Hand-Centered, Occlusion,Manipulation,Extend,Ray-Casting
13
Which ones are logistical properties - P3
Cost
Safety
Noise Pollution
User Values
14
Haptic feedback that is not controlled by system, instead using real props
Active
Real
Interactive
Passive
15
What is the name for this type of input device? Camera's collects your movement/Xbox Kinect
Hand-Worn Device
World-Grounded Device
Bare Hand Input
Tracked Handheld Device
16
What is the name for this type of input device? Oculus Quest 2 Controllers
Tracked Handheld Device
World-Grounded
Bare Hand Input
Hand-Worn Devices
17
Which is a common manipulation technique -P2
Occlusion
Ray Casting
Simple Virtual Hand
World-in-Miniature
18
Measure pressure or force with no actual movement
Isometric
Isotonic
Absolute
Relative
19
What is a benifit of bare-hands input? -P2
Concrete Elements To Interact With In Life
Compelling Sense of Presence
Natural Intraction
7 Degree Of Freedom Tracking
20
What is a real-life example of Ray Casting? - P2
Overlaying a Virtual Hand on your Controller
Laser Pointer
Picking Daisy Ridley for Star Wars
Highlighting an object in VE space
21
Measure input relative to a constant point of reference
Isotonic
Absolute
Relative
Isometric
22
Scaling up the user OR scaling down the world is in reference to what technique?
Jessica's 3rd Axiom of VR Movement
HOMER(S)
World In Scaled Perception
Scaled-world Grab Technique
23
Human computer interaction that are carried out in a 3D space
3D Interaction Technique
3D User Interface
3D Interaction
24
The processing of sound signal to make them emanate from a point in space
Passive Tracking
Localization
DoF
Spatialization
25
What's the purpose of this goal of selection in a VE? MAKE OBJECT ACTIVE
To be able to scale object from user's desires
To make an object primed for interactability
To move towards/away the selected object
To see if an object exists in the VE Space
26
VR events with limited interactivity; 360 panoramas
Immersive environments
Immersive views
Immersive spaces
Immersive experiences
27
What are the key properties of active haptics -P2
Cheap
Accurate
Latency
Force Resistance
28
Which ones are presentation properties - P2
Locomotion
Number of Channels
Sound Room
Amplification
29
If you wanted to capture non-hands input for your application, which COULD you pick? -P4
Full-Body Tracking
Eye Tracking
Head Tracking
Microphones
30
Haptic feedback that resists motion, using features such as DOF and force resistance
Active
Real
Interactive
Passive
31
Which is an example of passive tracking
Compass
Marker based
Wi-Fi
Vision + Inertial
32
Tracking where sensors placed around the room track an object
Outside-in
Inside-out
Emission
Orientation
33
Which of these are an Input device charactheristic? -P4
Degrees of Freedom (Integrated/separable)
Relative/Absulute Input
Isometric/Isotonic
Size/Shape/Encumbrance
34
Form of tracking where the device sends out a signal to the system
Triangulation
Active
Reaction
Passive
35
Tracking where a sensor placed on an object sends information to landmarks around the room
Orientation
Outside-in
Inside-out
Emission
36
What's the purpose of this goal of selection? INDICATE ACTION ON OBJECCT
To scale an object to user's desires
To move towards/away the selected object
To see if an object exists in the VE Space
To make an object primed for interactability
37
What is/are of the input characteristics of Treadmill Devices? -P2
Consistent
Hands Free Real World Interaction
Usable in the lap/side
General Purpose
38
Which is a common selection technique - P2
Scaled World Grab
HOMER
Go-go (arm extension)
Simple Virtual Hand
39
Which of these devices are world-grounded devices? - P2
Xbox Wireless Controller
A Stick
Race Car Controller
Arcade Cabinet
40
Which of these elemets are Occluders? - P2
Sonic's running towards you
Moon Causing an Eclipse, Blocking Sunlight and visibility
Moon Falling to the Earth in 3 Days
Moving Trucks blocking goal in a VR Game of Frogger
41
How users and computers communicate via the interface
Gulf of Execution
Gulf of Evaluation
Human Computer Interaction
42
Which is an example of hybrid tracking
Cell Location
Ultrasonic
Accelerometer
Vision + Inertial
43
How would one describe World-In-Minature Technique?
Dollhouse that user manipulates and it effects the larger VE Space
Having a little doll that you can talk to and it makes music
The movie with the blue avatar's but you can interact witht he real world
HOMER but applied to the 4th Dimension
44
A UI that involves 3D interaction
3D User Interface
3D Interaction Technique
3D Interaction
45
Form of feedback that gives sound cues regarding an object
Force
Lift
Vibrotactile
Touch
46
Form of feedback that gives texture and temperature information
Lift
Touch
Force
Vibrotactile
47
This is a technical topic
Spatialization
Localization
48
What is the current state of the system?
Gulf of Execution
Gulf of Evaluation
Human Computer Interaction
49
Form of feedback that gives weight and inertia information
Vibrotactile
Force
Touch
Lift
50
VR events with high interactivity but typically lower visual quality
Immersive environments
Immersive spaces
Immersive views
Immersive experiences
51
What are the pro of passive haptics
Limited Use
Not Dynamic
Large Scale
52
Which is an example of active tracking
GPS
Accelerometer
Gyroscope
Compass
53
Measure deflection from a center point
Isometric
Absolute
Relative
Isotonic
54
What's the type of device that conveys information into the V/XR application and supports interaction?
Regulatory Device
Input Device
Harley's Law of Virtual Interfacing
55
Which of these devices implement head/eye tracking? - P2
Xbox Kinect
A Wiimote Taped To Your Head
HTC Vive
Oculus Devices
56
Measure difference between current and last input
Isotonic
Relative
Absolute
Isometric
