2 Comments

1. 

   AYESHA MUMTAZ on February 8, 2019 at 12:47 pm

   Question No: 1 ( Marks: 1 ) – Please choose one
   Which of the following is NOT a modern application for Computer Graphics——————- ► Stop-motion animation (Page 6)
   ► Computer Aided Geometric Design
   ► Video Games
   ► Scientific Visualization
   Question No: 2 ( Marks: 1 ) – Please choose one
   Both Boundary Filling and Flood filling algorithms are non-recursive techniques, ► False click here 4 detail
   ► True
   Question No: 3 ( Marks: 1 ) – Please choose one
   TV series are made as simply as possible from the animation point of view. This approach is generally known
   as ————————. ► Full animation
   ► Limited animation (Page 428)
   ► Low animation
   ► High resolution
   Question No: 4 ( Marks: 1 ) – Please choose one
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   An eight frame run cycle that —————— frame/frames to each step gives a fast and vigorous dash. At this
   speed the successive leg positions are quite widely separated and may need dry brush or speed lines to make the
   movement flow. ► Two
   ► One
   ► Three
   ► Four (Page 437)
   Question No: 5 ( Marks: 1 ) – Please choose one
   ———– reflection is the effect of reflecting light toward the direction from which it came, no matter the
   orientation of the surface. ► Forward scattering
   ► Diffuse Lambertian
   ► Backscattering
   ► Retro (Page 293)
   Question No: 6 ( Marks: 1 ) – Please choose one
   What makes this really challenging to model is that the index of refraction for most materials is a function of
   the——————- of the light. This means that not only is there a shift in the angle of refraction, but that the
   shift is different for differing —————of light. ► Reflecting angle, Reflecting angle
   ► Refracting angle, Refracting angle
   ► Frequency, Frequency
   ► Wavelength, Wavelength (Page 229)
   Question No: 7 ( Marks: 1 ) – Please choose one
   The reflected light wave turns out to be a ———————case since light is reflected at the same angle as the
   incident wave (when the surface is smooth and uniform, as we’ll assume for now). ► Abnormal
   ► Complex
   ► Simple (Page 296)
   ► Unknown
   Question No: 8 ( Marks: 1 ) – Please choose one
   Tessellation can be adaptive to the _______ degree of curvature of a surface. ► Local (Page 170)
   ► Static
   ► Global
   ► Variable
   Question No: 9 ( Marks: 1 ) – Please choose one __________ sets the reshape callback for the current window. The reshape callback is triggered when a window
   is reshaped.
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   ► glutMainLoop
   ► glutIdleFunc
   ► glutReshapeFunc (Page 312)
   ► glutDisplayFunc
   Question No: 10 ( Marks: 1 ) – Please choose one
   Signed integer color components, when specified, are linearly mapped to floating-point values such that the
   most positive representable value maps to 1.0, and the most negative representable value maps to —————–
   -. Floating-point values are mapped directly. ► -1.0
   ► 0.0
   ► 2.0
   ► 1.0 (Page 320)
   Question No: 11 ( Marks: 1 ) – Please choose one
   NURBS stands for———————–. ► Non Universal Rational Binary Spline
   ► Non Uniform Rational Binary S
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   ► Most complex
   ► More complex (Page 338)
   Question No: 15 ( Marks: 1 ) – Please choose one
   Keep polygon orientations consistent to make sure that when viewed from the outside, all the polygons on the
   surface are oriented in the same direction. ► None of the given
   ► Neither
   ► Different
   ► Same (page 345)
   Question No: 16 ( Marks: 1 ) – Please choose one
   The —————- is most simple example that exhibits the property self similarity. ► Mosse
   ► Fern (Page 355)
   ► None of the given
   ► Thohar
   Question No: 17 ( Marks: 1 ) – Please choose one
   A common mistake people make when creating three-dimensional graphics is to start thinking too soon that the
   final image appears on a flat, two-dimensional screen. Avoid thinking about which pixels need to be drawn, and
   instead try to visualize —————– space. ► Multi-dimensional
   ► One-dimensional
   ► Two-dimensional
   ► Three-dimensional (Page 371)
   Question No: 18 ( Marks: 1 ) – Please choose one
   Which of the following properties of rational Bezier curves fails if the weight assigned to a control point is
   negative?
   ► End-point interpolation
   ► Variation Diminishing
   ► Symmetry
   ► Convex-Hull Click here 4 detail
   Question No: 19 ( Marks: 1 ) – Please choose one
   In the Phong reflection model, there are 3 constants (a, b, c) which are used to describe the qualities of which of
   the following phenomena?
   ► The attenuation of a point light source with distance
   ► The size (in each dimension) which the light is assumed to have
   ► The amount to perturb reflection vectors as they are mirrored across the normal
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   ► The material reaction to ambient, diffuse and specular light (respectively)
   Question No: 20 ( Marks: 1 ) – Please choose one
   The Phong reflection model simplifies light-matter interactions into (essentially) 4 vectors and a number of
   constants. Which piece of the Phong model is responsible for giving spheres their bright white spots?
   ► Specular
   ► Diffuse
   ► Ambient
   Question No: 21 ( Marks: 1 ) – Please choose one
   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?
   ► add all components (i.e. ambient, diffuse and specular) from that light source to the object. ► add all EXCEPT the ambient light from that light source to the object (i.e. diffuse and specular)
   ► add only the ambient light from that light source to the object
   ► add none of the light from that light source to the object
   Question No: 22 ( Marks: 1 ) – Please choose one
   The ColorSpace tool is a handy tool that we can use to interactively add two colours together to see the effects
   of the various strategies for handling oversaturated colours. ► False
   ► True (Page 235)
   Question No: 23 ( Marks: 1 ) – Please choose one
   A polygon is usually defined by a sequ
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   6
   Question No: 25 ( Marks: 1 ) – Please choose one
   Parity is a concept used to determine which _____________ lie within a polygon. (Choose best suitable
   answer)
   ► Edge
   ► Vertices
   ► Pixel (Page 80)
   ► None of the given
   Question No: 26 ( Marks: 1 ) – Please choose one
   The actual filling process in boundary filling algorithm begins when a point _____________ of the figure is
   selected. ► Outside the boundary
   ► Inside the boundary (Page 102)
   ► At boundary
   ► None of the given
   Question No: 27 ( Marks: 1 ) – Please choose one
   Weiler-Atherton Polygon Clipping technique modifies the vertex-processing procedures for window boundaries
   so that _________ polygons are displayed correctly. ► Convex
   ► Concave (Page 155)
   ► Complex
   ► None of the given
   Question No: 28 ( Marks: 1 ) – Please choose one
   If a line connecting any two points within a polygon does not intersect any edge, then it will be a _________
   polygon. ► Convex (Page 79)
   ► Concave
   ► Complex
   ► None of the given
   Question No: 29 ( Marks: 1 ) – Please choose one __________ can be defined as a mapping of point P(x, y, z) onto its image P`(x`, y`, z` ) in the view plane
   which constitutes the display surface. ► Mapping plane
   ► Three Coordinate Planes
   ► View plane
   ► Projection (Page 193)
   Question No: 30 ( Marks: 1 ) – Please choose one
   The reflected light wave turns out to be a / an ______________ case since light is reflected at the same angle
   as the incident wave (when the surface is smooth and uniform, as we’ll assume for now).
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   7
   ► Unknown
   ► Simple (Page 296)
   ► Complex
   ► Abnormal

2. 

   AYESHA MUMTAZ on February 8, 2019 at 12:47 pm

   Question No: 8 ( Marks: 1 ) – Please choose one
   Save a line with both endpoints inside all clipping boundaries. Trivial Reject
   Trivial Accept (Page 142)
   None of given
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   9
   Question No: 9 ( Marks: 1 ) – Please choose one
   Dark lights are nothing more than lights in which one or more of the color values are _____. Unknown
   Negative (Page 235)
   Positive
   Zero
   Question No: 10 ( Marks: 1 ) – Please choose one
   A series of _______ computer operations convert an object’s three-dimensional coordinates to pixel positions
   on the screen. Transformations, which are represented by matrix multiplication, include modeling, viewing, and
   projection operations. Such operations include rotation, translation, scaling, reflecting, orthographic projection, and perspective projection. Three (Page 371)
   Two
   Four
   Ten
   Question No: 11 ( Marks: 1 ) – Please choose one
   At a physical surface, our eye’s perception of the color depends on the distribution of photon energies that
   arrive and trigger our _______ cells. Eye
   Retina
   Cone (Page 398)
   Question No: 12 ( Marks: 1 ) – Please choose one
   This projection technique has the direction of projection perpendicular to the viewing plane, but the viewing
   direction is NOT perpendicular to one of the principle faces. Orthographic Parallel Projection
   Axonometric Parallel Projection (Page 194)
   Oblique Parallel Projection
   Question No: 13 ( Marks: 1 ) – Please choose one
   In the Phong Reflection model, _______ light is the same everywhere. Ambient
   Diffuse
   Specular
   Emissive
   Question No: 14 ( Marks: 1 ) – Please choose one
   A plane is two dimensional since in order to uniquely define any point on its surface we require _______
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   10
   numbers. Two (Page 356)
   Three
   Four
   Five
   Question No: 15 ( Marks: 1 ) – Please choose one
   In perspective projection, for your view to come out correctly, you will also want the _______ to pass through
   the middle of the screen. X axis
   Y axis
   Z axis (Page 200)
   None
   Question No: 16 ( Marks: 1 ) – Please choose one
   Neither floating-point nor signed integer values are clamped to the range ________ before updating the current
   color. 0 , -1.0
   -1 , 1
   1 , -1
   0, 1 (Page 321)
   Question No: 17 ( Marks: 1 ) – Please choose one
   An object’s _______ determine its orientation relative to the light sources. For each vertex, OpenGL uses the
   assigned normal to determine how much light that particular vertex receives from each light source. Unit
   Normal (Page 400)
   None of given
   Question No: 18 ( Marks: 1 ) – Please choose one
   Which was the oldest shading model?
   Flat Shading (Page 245)
   Phong Shading
   Gouraud Shading
   Question No: 19 ( Marks: 1 ) – Please choose one
   Which of the following affine transforms does NOT affect vectors?
   Scale
   Rotation
   Shear
   Translation