CS602- Computer Graphics
- MCQs
- MID Term Subjective
- FINAL TERM
DDA abbreviated for
________.
a)
None of the given
b)
Discrete data analyzer
c)
Digital data analyzer
d)
Digital
differential analyzer (Page 54)
Save 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.
- Complex (Page 79)
- Hybrid
- Convex
- 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.
Computer graphics is very helpful in producing graphical representations for
scientific visualization.
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)
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
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.
- True
- 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
Silhouette edges occur when dot product of surface normal vector and the view
vector is __________.
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
_________ OpenGL function is used for aiming and
positioning the camera towards the
object
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 ____________________________ .
- Vertices
- Nodes
- Branches (Page 70)
- Points
Rotating a point requires
- The coordinates for the
point
- The rotation angles
- Both of
above (Page 180)
- None
Vectors can be multiplied in a way
- Dot product
- Cross product
- Both of
above (page 176)
- None of given
Shortcoming of Sutherland-Hodgeman Algorithm is concave
polygons may be displayed with extensors lines
- True
(Page 244)
- 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 ______________.
- Outside
half plane of left edge, to the left of left edge X < Xmin (Page 143)
- Outside half plane of
right edge, to the right of right edge X > Xmax
- Outside half plane of
bottom edge, below bottom edge Y < Ymin
- 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
