PPSC Computer Science Chapter 11 Computer Graphics Test With Answers

PPSC Computer Science Chapter 11 Computer Graphics Test

Sr. # Questions Answers Choice
1 By which we can take a view of an object from different directions and different distances. Projection Rotation Translation Galling
2 _________ is a simple object space algorithm that remove's about half of the total polygon in an image as about half of the faces of object are back faces. Wire frame model Constructive solid geometry methods Isometric projection Back face removal
3 In which projection the plane normal to the projection has equal angles with these three axes. Wire frame model Constructive solid geometry methods Isometric projection Back face removal
4 The projection in which the projection plane is allowed to intersect the x, y and z -axes at equal distances. Wire frame model Constructive solid geometry methods Isometric projection Back face removal
5 __________ refers to the result obtained by multiplying the matrix of the individual transformation representation seuerieces. Wire frame model Constructive solid geometry methods composite transformation None
6 __________ refer to a model that represent all the dimension of an object external as well as internal Wire frame model Constructive solid geometry method Composite transformation None
7 __________ refer to the shapes created by union, intersection and difference of given shapes. Wire frame model Composite transformation Constructive solid geometry methods None
8 By which more complex objects can be constructed., Quadric surfaces Wire frame model Composite transformation None
9 ________ are the three dimensional analogs of Quaid trees quadric Octrees Geometry None
10 The types of parallel projection are. Orthographic projection and uadric projection Orthographic projection and oblique projection Oblique protection and quadric projection None
11 How many types of parallel projection are. 1 2 3 4
12 The types of projection are Parallel projection and perspective projection Perpendicular and perspective projection Parallel projection and perpendicular projection None
13 How many types of projection are 1 2 3 4
14 In which transformation the mirror image of an object can be seen with respect to x-axis ,y-axis , z-axis as well as with respect to an arbitrary line. Reflection Shearing Translation None
15 In which transformation the shape of an object can be modified in any of direction depending upon the value assigned to them. Reflection Shearing Scaling None
16 A part from the basic transformation ___________ are also used. Shearing Reflection Both a and b None
17 The transformation in which the size of an object can be modified in x -direction , y -direction and z- direction. Translation Scaling Rotation All of these
18 The transformation in which an object can be rotated about origin as well as any arbitrary pivot point are called. Translation Scalling Rotation All of these
19 The transformation in which an object can be shifted to any coordinate positioning three dimensional plane are called. Translation Scaling Rotation all of these
20 The most basic transformation that are applied in three-dimensional planes are. Translation Scaling Rotation All of these
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