MCQ Bank
_______________ sets the reshape callback for the current window. The reshape callback is triggered when a window is reshaped.
- A) glutReshapeFunc
- B) glutMainLoop
- C) glutIdleFunc
- D) glutDisplayFunc
The mathematics of parametric equation is the basis for ------------- curves.
- A) Hercules
- B) Hermite
- C) Tangent
- D) Bresenham
glutReshapeWindow requests a change in the size of the current window. The width and height parameters are size extents in pixels. The width and height must be ---------------- values.
- A) Non of the given
- B) Neutral
- C) Negative
- D) Positive
The matrix generated by gluPerspective is multiplied by the current matrix, just as if glMultMatrix were called with the generated matrix. To load the perspective matrix onto the current matrix stack instead, precede the call to gluPerspective with a call to -----------------------.
- A) gluPerspective
- B) glLoadIdentity
- C) glTranslated
- D) glRotated
All OpenGL applications produce consistent visual display results on any OpenGL API-compliant hardware, --------------- of operating system or windowing system.
- A) Libraries
- B) Kernel
- C) Regardless
- D) With respect
Bezier curve can represent the more complex piecewise ___________ curve.
- A) Cubic
- B) Polynomial
- C) None of above
- D) Exponential
To convert the information in the A matrix into that required for the P matrix, we do some simple matrix algebra, First we have UA=UNP then Simply
A = -------------
- A) None of the given
- B) UN
- C) UP
- D) NP
Using a lighting model based upon the Blinn Phong model means that we'll always get a uniform specular highlight based upon the colour of the --------------- light and material, which means that all reflections based on this model, will be reminiscent of plastic.
- A) Intersection
- B) Refracting
- C) Reflecting
- D) Union
Bit mask to select a window with multisampling support. If multisampling is not available, a ----------------- window will automatically be chosen.
- A) Di-multisampling
- B) Mono-multisampling
- C) Non-multisampling
- D) Multisampling
An independent consortium, the OpenGL Architecture Review Board, guides the OpenGL specification. With broad industry support, OpenGL is the only truly open, vendor-neutral, --------------- graphics standard.
- A) Tertiary
- B) Multiplatform
- C) Binary
- D) Single platform
The curve is always contained within the _______ of the control points
- A) Convex Hull
- B) None of Above
- C) Subdivision
- D) Tangents
_______ can cause cracks to appear intermittently in the surface
- A) Icosahedron
- B) None of above
- C) T-Intersection
- D) Rong Measurements
Curve and surface equations can be expressed in either a parametric or a nonparamehic form.
- A) False
- B) True
- C)
- D)
_________ lights should be avoided because they are not for real time environment.
- A) Parallel
- B) Point
- C) Spot
- D) None of the given
___________ light is reflected in all directions from surface.
- A) Diffuse
- B) Emissive
- C) Ambient
- D) Specular
One problem with Gouraud shading is that the ----------- intensities can never be greater than the intensities at the edges.
- A) Squares
- B) Rectangles
- C) Polygons
- D) Triangles
Gouraud shading is the current de jure shading standard in accelerated ------------ hardware.
- A) Multidimensional
- B) None of all
- C) 2Dimensional
- D) 3 Dimensional
As f represents the attenuation of light, then f only approaches zero, when d approaches at distance -------------.
- A) 1/n
- B) Infinity
- C) Zero
- D) 1/2
When you hit a surface in ray tracing, generally shadow rays are tested against all objects in a scene. If these rays come back saying they hit an object in the scene, which of the following do you do?
- A) add only the ambient light from that light source to the object
- B) add all EXCEPT the ambient light from that light source to the object (i.e. diffuse and specular)
- C) add all components (i.e. ambient, diffuse and specular) from that light source to the object.
- D) add none of the light from that light source to the object
There is more penetration of light in case of ___________ surfaces.
- A) Conductor (like metals)
- B) Both conductor and nonconductor
- C) Nonconductor (like dielectrics)
- D) None of the given