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# CS602 Grand Quiz + Mid Term Quiz Fall 2020 Preparation Material Due Date: 29-12-2020

CS602 Grand Quiz + Mid Term Quiz Fall 2020 Preparation Material Due Date: 29-12-2020

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# CS602

## Computer Graphics: CS602

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# Computer Graphics -  CS602 MCQs Solved

CS 602 150+ MCQs Solved with Referencess

DDA abbreviated for ________.

1. a)None of the given
2. b)Discrete data analyzer
3. c)Digital data analyzer
4. d)Digitaldifferential analyzer (Page 54)

Save a line with both endpoints inside all clipping boundaries is called as _____________.

1. a)None of the given
2. b)Total …. (inside (maybe))
3. c)Trivial Reject
4. d)Trivial Accept (Page 142)

__________ projection is obtained by projecting points along parallel lines that are not perpendicular to the projection plane.

1. a)Perspective
2. b)Orthographic
3. c)Oblique (Page 198)

The dot product of two vectors A and B is __________. Iff the angle between them is less than 90 or greater than 270 degrees.

1. a)Greater than zero (0) (Page 177)
2. b)Less than zero (0)
3. c)Equal to Zero (0)
4. d)None of the given

This projection technique has the direction of projection perpendicular to the viewing plane, and the viewing direction is perpendicular to one of the principle faces.

1. a)metric Parallel Projection
2. b)Oblique Parallel Projection
3. c)Orthographic Parallel Projection
4. d)None of the given

Orthographic projections that show more than one side of an object are called __________ projections.

Cavalier

Cabinet

Axonometric (Page 196)

Perspective

Computer Graphics are used in ____________.

1. a)Movies development
2. b)Simulations
3. c)All of the given
4. d)Game development

“Computer Graphics” and “Computer Vision” are ____________.

1. a)Same fields
2. b)Interrelated fields
3. c)None of the given
4. d)Totally different fields

We can take transpose of __________.

1. a)matrix with 1 row 1 column
2. b)matrix with 2 rows 3columns
3. c)matrix with 3 rows 2 columns
4. d)any matrix

If the polygons are _______, line-clipping techniques are sufficient for clipping.

1. a)filled
2. b)unfilled (Page 146)
3. c)half filled
4. d)All of the given

20: Because clipping against one edge is independent of all others, so it is _______ to arrange the clipping stages in a pipeline.

1. a)Sometimes impossible
2. b)None of the given
3. c)Possible (Page 150)
4. d)Impossible

Tessellation can be adaptive to the ____________ degree of curvature of a surface.

1. a)Local (Page 170)
2. b)Static
3. c)Global
4. d)Variable

The actual filling process in boundary filling algorithm begins when a point  _________ of the figured is selected.

1. a)Outside theboundary
2. b)Inside the boundary (Page 102)
3. c)Atboundary
4. d)None of the above

Discard a line with both endpoints outside clipping boundary is called as ____________

1. a)Trivial accept
2. b)Trivial reject (Page 142)
3. c)Total outside
4. d)None of the above

_____________is the tendency of the text to flash as it moves up or down.

1. a)Flickering (Page 38)
2. b)Snow
3. c)Distortion
4. d)None of the above

The axonometric projection is ___________ where the direction of projection makes same angle with all axes.

1. a)DIMETRIC
2. b)Isometric (Page 196)
3. c)Oblique
4. d)Trimetric

We can draw the circle using _________

1. a)Pentane
2. b)Hexane
3. c)Trident
4. d)Octant (Page 63)

Question No: 17         ( Marks: 1 ) - Please choose one

_________ direct view storage tube maintains the picture display.

1. a)Electron gun
2. b)Proton gun
3. c)Flood gun (Page 29)
4. d)All of the above

Question No: 18         ( Marks: 1 ) - Please choose one

Because clipping against one edge is independent to all others, so it is ________ arrange the clipping stages in a pipeline.

1. a)Possible (Page 150) rep
2. b)Impossible
3. c)Sometimes impossible
4. d)None of the above

Question No: 19         ( Marks: 1 ) - Please choose one

If the polygons are _________ line clipping techniques are sufficient for clipping.

1. a)Filled
2. b)Unfilled (Page 146) rep
3. c)Half filled
4. d)All of the above

Question No: 20         ( Marks: 1 ) - Please choose one

Polygons consisting of _________________ can cause problems when rendering.

1. a)Non-coplanar vertices (Page 169)
2. b)Co-planar vertices
3. c)Any vertices
4. d)None of the above

Question No: 1           ( Marks: 1 ) - Please choose one

In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition ______________.

1. a)Outside half plane of left edge, to the left of left edge X < Xmin
2. b)Outside half plane of right edge, to the right of right edge X > Xmax (Page 143)
3. c)Outside half plane of bottom edge, below bottom edge Y < Ymin
4. d)Outside half plane of top edge, above top edge Y > Ymax

Plasma-panel displays use a gas mixture that usually includes _____________.

1. a)Zinc
2. b)Iron

A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.

1. True (Page 53)
2. False

Both Boundary Filling and Flood filling algorithms are _____________ as compared to scan line filling algorithm.

1. Better
2. Worse
3. Almost same
4. Good

( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of ____________________________.

1. Parabola
2. Hyperbola
3. Ellipse (Page 70)
4. Circle

We can draw the circle using ____________________.

1. Pentane
2. Hexanes
3. Trident
4. Octants (Page 63) rep

A scaling transformation alters the _______________ of an object.

1. Shape
2. Position
3. Size (Page 120)
4. Rotation

Question No: 6 of  10            ( Marks: 1 ) - Please choose one

Boundary Filling Algorithm can work for complex polygons.

1. a)True
2. b)False

Question No: 7 of  10            ( Marks: 1 ) - Please choose one

A __________________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.

1. a)Circle
2. b)Hyperbola
3. c)Parabola (Page 73)
4. d)Ellipse

Question No: 8 of  10            ( Marks: 1 ) - Please choose one

1. True (Page 38)
2. False

Question No: 9 of  10            ( Marks: 1 ) - Please choose one

If the value of scaling factors sx and sy is greater than 1, then size of objects will be _____________________.

1. Reduced
2. Enlarged (Page 121)
3. Remain same
4. Shear

Question No: 10 of  10          ( Marks: 1 ) - Please choose one

In ___________________ algorithm(s), old color must be read before it is invoked.

1. Scan line filling
2. Flood filling (Page 104)
3. Both scan line and flood filling
4. Scan filling

Parity is a concept used to determine which _________________ lie within a polygon.

• Edge
• Vertices
• Pixels (Page 80)
• Points

Various curve functions are useful in ________________________.

• Object modeling (Page 69)
• Graphics applications
• Animation path specifications
• All of the given

polygons are basically concave polygons that may have self-intersecting edges.

1. Complex (Page 79)
2. Hybrid
3. Convex
4. Convex and Hybrid

Concave polygons are a superset of _____________________ polygons, having fewer restrictions than
____________________ polygons.

• Hybrid, Complex
• Concave, Complex
• Convex, Convex (Page 79)
• Complex, Complex

There are ________________ basic types of polygon.

• 2
• 3   (Page 78)
• 4
• 5

Computer graphics is very helpful in producing graphical representations for scientific visualization.

• True (Page 9)
• False

In video text memory, ______ are used to display a character.

• 2 bytes (Page 43)
• 4 bytes
• 8 bytes
• 16 bytes

The basis functions fi(u) in Bezier curve must be symmetric with respect to u and (u-2)

• Yes
• No (Page 341)

Three or more points that lie on the same line are called ______________.

•     Singular
•     Collinear (Page 53)
•     Line slop
•     Line slop and Singular

Cross product of two vectors result in a ____________________.

•     Magnitude
•     Vector (Page 116)
•     Scalar
•     Value

To move a __________________ from one location to another, we translate the center point and redraw the same using new center point.

•     Hyperbola
•     Parabola
•    Circle (Page 119)
•     Line

_________________ is the set of points that are equidistant from its origin.

•     Line
•     Parabola
•    Circle (Page 59)
•     Ellipse

It is safe to assume that all raster-type monitors can accept the same input

•     True
•     False

Twice the radius of circle is called as ____________________.

•     Area
•     Diameter (Page 59)
•     Circumference

Both Boundary Filling and Flood filling algorithms are non-recursive techniques.

1. True
2. False (Page 102)

We can take transpose of any matrix.

1. a)True
2. b)False

Normalized cross product of two vectors on that surface provides normal vector

1. a)YES (Page 347)
2. b)NO

Set up your tripod and pointing the camera at the scene

1. a)projection transformation
2. b)viewport transformation
3. c)modeling transformation
4. d)viewing transformation (Page 372)

_________ is based on characteristic size or scale

1. a)Fractal Geometry
3. c)Euclidean Geometry
4. d)None of Above

Bernstein polynomial functions are the basic functions of ______________ curves.

1. a)NURBS
2. b)Bezier
3. c)Both NURBS and Bazier (Page 342) not confirm
4. d)None of the given

Silhouette edges occur when dot product of surface normal vector and the view vector is __________.

1. a)Zero (Page 345)
2. b)One
3. c)Both zero and one
4. d)None of the given

A fractal is generally a property called ___________.

1. a)Fractal Dimension
2. b)Self-similarity
3. c)Koch Curve
4. d)None of above

The curve is always contained within the _______ of the control points

1. a)Tangents
2. b)Convex Hull (Page 340)
3. c)Subdivision
4. d)None of Above

_________ OpenGL function is used for aiming and positioning the camera towards the object

2. b)gluLookAt() (Page 374)
3. c)glFrustum()
4. d)None of Above

Bezier curve can represent the more complex piecewise ___________ curve.

1. a)Polynomial (Page 338)
2. b)Exponential
3. c)Cubic
4. d)None of above

Perspective projection is specified with the function glFrustum().

1. a)Yes (Page 376)
2. b)No

Line connecting any two points within a polygon does not intersect any edge, then it will be a _________ polygon.

1. a)Convex (Page 79)
2. b)Concave
3. c)Complex
4. d)None of the given

The _______________ tests are performed for the midpoints between pixels near the circle path at each sampling step.

1. a)Parabola function
2. b)Eclipse function
3. c)Circle function (Page 62)
4. d)Line function

actual filling process in boundary filling algorithm begins when a point _____________ of the figure is selected.

1. a)Outside the boundary
2. b)Inside the boundary (Page 102) rep
3. c)At boundary
4. d)None of the given

Each hyperbola consists of two ____________________________ .

1. Vertices
2. Nodes
3. Branches (Page 70)
4. Points

Rotating a point requires

1. The coordinates for the point
2. The rotation angles
3. Both of above (Page 180)
4. None

Vectors can be multiplied in a way

1. Dot product
2. Cross product
3. Both of above (page 176)
4. None of given

Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines

1. True (Page 244)
2. False

The process of subdivision an entity or surface into one or more non-overlapping primitives.

1. a)Rendering
2. b)Modeling
3. c)Meshing
4. d)None of above (page 259)

In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition ______________.

1. Outside half plane of left edge, to the left of left edge X < Xmin (Page 143)
2. Outside half plane of right edge, to the right of right edge X > Xmax
3. Outside half plane of bottom edge, below bottom edge Y < Ymin
4. Outside half plane of top edge, above top edge Y > Ymax

In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition ______________.

1. a)Outside half plane of left edge, to the left of left edge X < Xmin
2. b)Outside half plane of right edge, to the right of right edge X > Xmax
3. c)Outside half plane of bottom edge, below bottom edge Y < Ymin (page 143)
4. d)Outside half plane of top edge, above top edge Y > Ymax

__________ is the process of describing an object or scene so that we can construct an image of it

1. a)Rendering
2. b)Modeling (Page 164)
3. c)Meshing
4. d)None of above

Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon

1. a)True
2. b)False (Page 244)

Process of moving points in space is called

1. a)Rendering
2. b)Modeling
3. c)Meshing
4. d)None of above (Page 259)

When scaling factor Sx and Sy are assigned the same value, ___________________ scaling is produced that maintains relative object proportions.

1. a)Uniform (page 121)
2. b)Unequal
3. c)Multiform
4. d)Equal

___________________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.

1. a)Rotation
2. b)Translation
3. c)Reflection
4. d)Shear  (Page 129)

Global coordinate systems can be defined with respect to local coordinate system

1. a)True
2. b)False (Page 163)

The given primitives are clipped to the boundaries of ________________ and primitives lying outside are not drawn.

1. a)Clipping polygon
2. b)Clipping circle
3. c)Clipping rectangle (Page 247)
4. d)Clipping Line

In 2D transformation, _______________ can be achieved by rotating the object about 180 degrees.

1. a)Translation
2. b)Scaling
3. c)Shear
4. d)Reflection (page 191)

Discard a line with both endpoints outside clipping boundaries is called as

1. a)Trivial reject (Page 142)
2. b)Trivial accept
3. c)Total outside
4. d)Total inside

In _______________ transformation one coordinate is held fixed and the other coordinate or coordinates are shifted.

1. a)Rotation
2. b)Reflection
4. d)Scaling

Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:

1. a)True    (Page 163)
2. b)False

Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________

1. a)Geometric patterns
2. b)Fractals (page 352)
3. c)Animated components
4. d)Segments

Bezier curve is tangent to the lines connecting _____________.

1. a)First two points
2. b)Last two points
3. c)Fist two points and last two point (Page 340)
4. d)None of the given

Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.

► Amplitude

► Current

► Voltage (Page 26)

► electron

Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.

► true

►false

► Small

► Wide (Page 29)

► Random

► crazy

Which one of the following step is not involved to write pixel using video BIOS services.

► Setting desired video mode

► Using bios service to set color of a screen pixel

► Calling bios interrupt to execute the process of writing pixel.

► Using OpenGL service to set color of a screen pixel (Page 45)

Each number that makes up a matrix is called an ___________ of the matrix.

► Element (page 106)

► Variable

► Value

► component

1. 1.     The _______________ tests are performed for the midpoints between pixels near the circle path at each sampling step.
2. Parabola function
3. Eclipse function
4. c.      Circle function (Page 62)
5. Line function

1. 2.     Interlacing the horizontal refresh __________

1. a.     Fools the human eye into thinking the horizontal refresh rate is faster
2. Is distracting and can cause eye fatigue
3. Is necessary because of the shape of the rods in the human eye
4. Is no longer used in any system

1. 3.     ( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of ____________________________.
2. Parabola
3. Hyperbola
4. c.      Ellipse (Page 70)
5. Circle

1. 4.     Parity is a concept used to determine which _________________ lie within a polygon.
2. Edge
3. Vertices
4. c.      Pixels (Page 80)
5. Points

1. 5.     Computer Graphics are used in ____________.
2. Movies development
3. Simulations
4. c.      All of the given
5. Game development

1. 6.     Each hyperbola consists of two ____________________________ .
2. Vertices
3. Nodes
4. c.      Branches (Page 70)
5. Points

d.

2. a.     True (Page 38)
3. False

b.

1. 8.     ____________ is used for circumference of a circle.

2 * pi*r

1. 9.   An improvement in the speed of line-drawing will result in an overall improvement of most graphical applications.
2. a.     True
3. b.     False

1. 10.                         _________________ is the set of points that are equidistant from its origin.
2. Line
3. Parabola
4. c.      Circle (Page 59)
5. Ellipse
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