Computer Graphics - CS602 MCQs Solved
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CS 602 150+ MCQs Solved with Referencess
DDA abbreviated for ________.
a) None of the given
b) Discrete data analyzer
c) Digital data analyzer
d) Digital differential analyzer
(Page 54)
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a line with both endpoints inside all clipping boundaries is called as
_____________.
a) None of the given
b) Total …. (inside (maybe))
c) Trivial Reject
d) Trivial Accept (Page 142)
__________
projection is obtained by projecting points along parallel lines that are not
perpendicular to the projection plane.
a) Perspective
b) Orthographic
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.
a) Greater than zero (0) (Page
177)
b) Less than zero (0)
c) Equal to Zero (0)
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.
a) metric Parallel Projection
b) Oblique Parallel Projection
c) Orthographic Parallel Projection
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 ____________.
a) Movies development
b) Simulations
c) All of the given
d) Game development
“Computer
Graphics” and “Computer Vision” are ____________.
a) Same fields
b) Interrelated fields
c) None of the given
d) Totally different fields
We
can take transpose of __________.
a) matrix with 1 row 1 column
b) matrix with 2 rows 3 columns
c) matrix with 3 rows 2 columns
d) any matrix
If
the polygons are _______, line-clipping techniques are sufficient for clipping.
a) filled
b) unfilled (Page 146)
c) half filled
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.
a) Sometimes impossible
b) None of the given
c) Possible (Page 150)
d) Impossible
Tessellation
can be adaptive to the ____________ degree of curvature of a surface.
a) Local (Page 170)
b) Static
c) Global
d) Variable
The
actual filling process in boundary filling algorithm begins when a point
_________ of the figured is selected.
a) Outside the boundary
b) Inside the boundary (Page 102)
c) At boundary
d) None of the above
Discard
a line with both endpoints outside clipping boundary is called as ____________
a) Trivial accept
b) Trivial reject (Page 142)
c) Total outside
d) None of the above
_____________is
the tendency of the text to flash as it moves up or down.
a) Flickering (Page 38)
b) Snow
c) Distortion
d) None of the above
The
axonometric projection is ___________ where the direction of projection makes
same angle with all axes.
a) DIMETRIC
b) Isometric (Page 196)
c) Oblique
d) Trimetric
We
can draw the circle using _________
a) Pentane
b) Hexane
c) Trident
d) Octant (Page 63)
Question No: 17 (
Marks: 1 ) - Please choose one
_________
direct view storage tube maintains the picture display.
a) Electron gun
b) Proton gun
c) Flood gun (Page 29)
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.
a) Possible (Page 150) rep
b) Impossible
c) Sometimes impossible
d) None of the above
Question No: 19 (
Marks: 1 ) - Please choose one
If
the polygons are _________ line clipping techniques are sufficient for
clipping.
a) Filled
b) Unfilled (Page 146) rep
c) Half filled
d) All of the above
Question No: 20 (
Marks: 1 ) - Please choose one
Polygons
consisting of _________________ can cause problems when rendering.
a) Non-coplanar vertices (Page
169)
b) Co-planar vertices
c) Any vertices
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 ______________.
a) Outside half plane of left edge,
to the left of left edge X < Xmin
b) Outside half plane of right
edge, to the right of right edge X > Xmax (Page 143)
c) Outside half plane of bottom
edge, below bottom edge Y < Ymin
d) Outside half plane of top edge,
above top edge Y > Ymax
Plasma-panel
displays use a gas mixture that usually includes _____________.
a) Zinc
b) Iron
A
line, or straight line, is, roughly speaking, an (infinitely) thin,
(infinitely) long, straight geometrical object.
a. True (Page 53)
b. False
Both
Boundary Filling and Flood filling algorithms are _____________ as compared to
scan line filling algorithm.
a. Better
b. Worse
c. Almost same
d. Good
(
x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of ____________________________.
a. Parabola
b. Hyperbola
c. Ellipse (Page 70)
d. Circle
We
can draw the circle using ____________________.
a. Pentane
b. Hexanes
c. Trident
d. Octants (Page 63) rep
A
scaling transformation alters the _______________ of an object.
a. Shape
b. Position
c. Size (Page 120)
d. Rotation
Question No: 6 of
10 ( Marks: 1
) - Please choose one
Boundary
Filling Algorithm can work for complex polygons.
a) True
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.
a) Circle
b) Hyperbola
c) Parabola (Page 73)
d) Ellipse
Question No: 8 of
10 ( Marks: 1
) - Please choose one
Monochrome
Adapter (MA) is a single color adapter
a. True (Page 38)
b. 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 _____________________.
a. Reduced
b. Enlarged (Page 121)
c. Remain same
d. Shear
Question No: 10 of 10
( Marks: 1 ) - Please choose one
In
___________________ algorithm(s), old color must be read before it is invoked.
a. Scan line filling
b. Flood filling (Page 104)
c. Both scan line and flood filling
d. 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.
____________________ 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)
·
2*Pi Radian
·
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.
a) True
b) False
Normalized cross product of two
vectors on that surface provides normal vector
a) YES (Page 347)
b) NO
Set up your tripod and pointing
the camera at the scene
a) projection transformation
b) viewport transformation
c) modeling transformation
d) viewing transformation (Page
372)
_________ is based on
characteristic size or scale
a) Fractal Geometry
b) Traditional Geometry
c) Euclidean Geometry
d) None of Above
Bernstein polynomial functions
are the basic functions of ______________ curves.
a) NURBS
b) Bezier
c) Both NURBS and Bazier (Page
342) not confirm
d) None of the given
a) Zero (Page 345)
b) One
c) Both zero and one
d) None of the given
A fractal is generally a property
called ___________.
a) Fractal Dimension
b) Self-similarity
c) Koch Curve
d) None of above
The curve is always contained
within the _______ of the control points
a) Tangents
b) Convex Hull (Page 340)
c) Subdivision
d) None of Above
a) glLoadIdentity()
b) gluLookAt() (Page 374)
c) glFrustum()
d) None of Above
Bezier
curve can represent the more complex piecewise ___________ curve.
a) Polynomial (Page 338)
b) Exponential
c) Cubic
d) None of above
Perspective
projection is specified with the function glFrustum().
a) Yes (Page 376)
b) No
Line
connecting any two points within a polygon does not intersect any edge, then it
will be a _________ polygon.
a) Convex (Page 79)
b) Concave
c) Complex
d) None of the given
The
_______________ tests are performed for the midpoints between pixels near the
circle path at each sampling step.
a) Parabola function
b) Eclipse function
c) Circle function (Page 62)
d) Line function
actual
filling process in boundary filling algorithm begins when a point _____________
of the figure is selected.
a) Outside the boundary
b) Inside the boundary (Page 102)
rep
c) At boundary
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.
a) Rendering
b) Modeling
c) Meshing
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 ______________.
a) Outside half plane of left edge,
to the left of left edge X < Xmin
b) Outside half plane of right edge,
to the right of right edge X > Xmax
c) Outside half plane of bottom
edge, below bottom edge Y < Ymin (page 143)
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
a) Rendering
b) Modeling (Page 164)
c) Meshing
d) None of above
Sutherland-Hodgeman
clipping algorithm clips any polygon against a concave clip polygon
a) True
b) False (Page 244)
Process
of moving points in space is called
a) Rendering
b) Modeling
c) Meshing
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.
a) Uniform (page 121)
b) Unequal
c) Multiform
d) Equal
___________________
transformation produces shape distortions as if objects were composed of layers
that are caused to slide over each other.
a) Rotation
b) Translation
c) Reflection
d) Shear (Page 129)
Global
coordinate systems can be defined with respect to local coordinate system
a) True
b) False (Page 163)
The
given primitives are clipped to the boundaries of ________________ and
primitives lying outside are not drawn.
a) Clipping polygon
b) Clipping circle
c) Clipping rectangle (Page 247)
d) Clipping Line
In
2D transformation, _______________ can be achieved by rotating the object about
180 degrees.
a) Translation
b) Scaling
c) Shear
d) Reflection (page 191)
Discard
a line with both endpoints outside clipping boundaries is called as
a) Trivial reject (Page 142)
b) Trivial accept
c) Total outside
d) Total inside
In
_______________ transformation one coordinate is held fixed and the other
coordinate or coordinates are shifted.
a) Rotation
b) Reflection
d) Scaling
Locations
can be translated or "transformed" from one coordinate system to the
other. Select correct option:
a) True (Page
163)
b) False
Geometric
patterns that is repeated at ever smaller scales to produce irregular shapes
and surfaces are called ___________
a) Geometric patterns
b) Fractals (page 352)
c) Animated components
d) Segments
Bezier
curve is tangent to the lines connecting _____________.
a) First two points
b) Last two points
c) Fist two points and last two
point (Page 340)
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
Shadow
mask methods can display a __________ range of colours.
►
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.
1.
7. Monochrome Adapter (MA) is a
single color adapter
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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