CS602-Midterm
1 / 50
A unit vector has zero magnitude.
2 / 50
Which of the following statements is not true about flood-fill and boundary-fill? Algorithms?
3 / 50
Boundary Filling Algorithm can work for complex polygons.
4 / 50
If the polygons are _______, line-clipping techniques are sufficient for clipping.
5 / 50
A * B = |A| * |B| * cos(?) Where ? is the angle between the two vectors
6 / 50
A _________ is the set of all points (x , y) that are the same distance from the directrix and focus not on the directrix.
7 / 50
Geometric patterns that is repeated at ever smaller scales to produce irregular shapes and surfaces are called ___________
8 / 50
Using Cohen-Sutherland line clipping, it is impossible for a vertex to be labeled 1111.
9 / 50
Concave polygons are a superset of ____________ polygons, having fewer restrictions than ___________ polygons.
10 / 50
Sutherland-Hodgeman clipping algorithm clips any polygon against a concave clip polygon
11 / 50
The father of Computer Graphics is:
12 / 50
Shortcoming of Sutherland-Hodgeman Algorithm is concave polygons may be displayed with extensors lines
13 / 50
The dot product of two vectors A and B is __________. Iff the angle between them is less than 20 or greater than 270 degrees.
14 / 50
_________ direct view storage tube maintains the picture display.
15 / 50
Concave polygons are superset of________ polygons, having fewer restrictions than ______polygons.
16 / 50
__________ transformation produces shape distortions as if objects were composed of layers that are caused to slide over each other.
17 / 50
To move a _________ from one location to another, we translate the center point and redraw the same using new center point.
18 / 50
We can draw the circle using _________
19 / 50
Translation moves objects without ____________.
20 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 2 represents condition_____.
21 / 50
Each hyperbola consists of two ___________.
22 / 50
Plasma-panel displays use a gas mixture that usually includes ____.
23 / 50
According to Odd Parity Rule, a point is inside the polygon, if:
24 / 50
In video text memory, ________ are used to display a character.
25 / 50
In Trivial acceptance/reject test there are four bits of nine regions, Bit 4 represents condition_____.
26 / 50
The axonometric projection is ___________ where the direction of projection makes same angle with all axes.
27 / 50
In __________ algorithm(s), old color must be read before it is invoked.
28 / 50
A two dimensional rotation is applied to an object by repositioning it along a _____path in the XY plane
29 / 50
Both Boundary Filling and Flood filling algorithms are ____ as compared to scan line filling algorithm.
30 / 50
Twice the radius of circle is called as ___________.
31 / 50
In Trimetric the direction of projection makes unequal angle with the three principal axes
32 / 50
A line, or straight line, is, roughly speaking, an (infinitely) thin, (infinitely) long, straight geometrical object.
33 / 50
________is used to move a point, or a set of points, linearly in space
34 / 50
When scaling factor Sx and Sy are assigned the same value, __________ scaling is produced that maintains relative object proportions.
35 / 50
36 / 50
37 / 50
There are _______ basic types of polygon.
38 / 50
Rotation performed around a fixed point called ____________.
39 / 50
A scaling transformation alters the ______ of an object.
40 / 50
Concave polygons are a superset of ________ polygons, having fewer restrictions than _____polygons.
41 / 50
Save a line with both endpoints inside all clipping boundaries is called as ____.
42 / 50
43 / 50
( x^2 / a^2 ) + ( y^2 / b^2 ) = 1 is an equation of __________.
44 / 50
Parity is a concept used to determine which ________ lie within a polygon.
45 / 50
Which one of the following step is not involved to write pixel using video BIOS services.
46 / 50
Vectors can be multiplied in a way
47 / 50
If the value of scaling factors sx and sy is greater than 1, then size of objects will be ____________.
48 / 50
Discard a line with both endpoints outside clipping boundaries is called as
49 / 50
_________ OpenGL function is used for aiming and positioning the camera towards the object
50 / 50
We can draw the circle using ___________.
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