Which JavaScript API is based on OpenGL ES and used for 3D graphics in web browsers?
A). WebGL
B). Canvas
C). SVG
D). WebAudio
Which element provides a 2D drawing context in HTML5?
A). Canvas
B). WebGL
C). SVG
D). Audio
What is the purpose of a viewport in WebGL?
A). Displaying rendered graphics
B). Managing shaders and programs
C). Handling user input
D). Controlling canvas size
What is the role of uniforms in WebGL shaders?
A). Passing data from JavaScript to shaders
B). Defining geometry attributes
C). Handling user input
D). Managing WebGL context
How does WebGL contribute to creating interactive and immersive web experiences?
A). By rendering high-quality 3D graphics
B). By optimizing rendering performance
C). By supporting various input devices
D). By providing real-time updates and animations
How does a fragment shader differ from a vertex shader in WebGL?
A). Processes fragments/pixels
B). Processes vertices/points
C). Manages rendering pipeline
D). Handles user interaction
What is the role of a texture in WebGL rendering?
A). Adding detail and realism to objects
B). Defining object shapes and geometry
C). Managing shaders and programs
D). Handling user interactions
What type of graphics does WebGL primarily focus on?
A). 3D graphics
B). 2D graphics
C). Vector graphics
D). Audio graphics
What is the primary advantage of using WebGL for 3D graphics?
A). High-performance rendering
B). Low-quality graphics
C). Limited compatibility
D). Slow rendering
How are vertices and faces typically defined in WebGL geometry?
A). Arrays and indices
B). Coordinates and colors
C). Lines and circles
D). Textures and patterns