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