CS602-Midterm
1 / 50
Silhouette edges occur when dot product of surface normal vector and the view vector is __________.
2 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
3 / 50
Shadow mask methods can display a __________ range of colours.
4 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____ path in the XY plane
5 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
6 / 50
Each number that makes up a matrix is called an __________ of the matrix.
7 / 50
Normalized cross product of two vectors on that surface provides normal vector
8 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
9 / 50
Orthographic projections that show more than one side of an object are called __________ projections.
10 / 50
We can draw the circle using _________
11 / 50
12 / 50
The given primitives are clipped to the boundaries of _______ and primitives lying outside are not drawn.
13 / 50
Save a line with both endpoints inside all clipping boundaries.
14 / 50
Twice the radius of circle is called as ___________.
15 / 50
16 / 50
Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________
17 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
18 / 50
_________ direct view storage tube maintains the picture display.
19 / 50
____is the tendency of the text to flash as it moves up or down.
20 / 50
A scaling transformation alters the ______ of an object.
21 / 50
Concave polygons are a superset of ____________ polygons, having fewer restrictions than ___________ polygons.
22 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit3 represents condition _____.
23 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
24 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
25 / 50
We can draw the circle
26 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
27 / 50
________is used to move a point, or a set of points, linearly in space
28 / 50
29 / 50
Rotation performed around a fixed point called ____________.
30 / 50
Intensity of the electron beam is controlled by setting _________ levels on the control grid, a metal cylinder that fits over the cathode.
31 / 50
Both Boundary Filling and Flood filling algorithms are non-recursive techniques.
32 / 50
Two points are said to be collinear, if they lie on the
33 / 50
The process of subdivision an entity or surface into one or more non-overlapping primitives.
34 / 50
Global coordinate systems can be defined with respect to local coordinate system
35 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition_____.
36 / 50
37 / 50
Locations can be translated or "transformed" from one coordinate system to the other. Select correct option:
38 / 50
In __________ algorithm(s), old color must be read before it is invoked.
39 / 50
Rotating a point requires
40 / 50
Which of the following is not true about matrices?
41 / 50
Perspective projection is specified with the function glFrustum().
42 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____path in the XY plane
43 / 50
It is safe to assume that all raster-type monitors can accept the same input
44 / 50
__________transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
45 / 50
Monochrome Adapter (MA) is a single color adapter
46 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
47 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
48 / 50
Computer graphics is very helpful in producing graphical representations for scientific visualization.
49 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition _____.
50 / 50
The ______ tests are performed for the midpoints between pixels near the circle path at each sampling step.
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