PPSC Computer Science Full Book test With Answers

PPSC Computer Science Full Book test

Sr. # Questions Answers Choice
1 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
2 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
3 __________ 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
4 __________ 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
5 __________ refer to the shapes created by union, intersection and difference of given shapes. Wire frame model Composite transformation Constructive solid geometry methods None
6 By which more complex objects can be constructed., Quadric surfaces Wire frame model Composite transformation None
7 ________ are the three dimensional analogs of Quaid trees quadric Octrees Geometry None
8 The types of parallel projection are. Orthographic projection and uadric projection Orthographic projection and oblique projection Oblique protection and quadric projection None
9 How many types of parallel projection are. 1 2 3 4
10 The types of projection are Parallel projection and perspective projection Perpendicular and perspective projection Parallel projection and perpendicular projection None
11 How many types of projection are 1 2 3 4
12 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
13 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
14 A part from the basic transformation ___________ are also used. Shearing Reflection Both a and b None
15 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
16 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
17 The transformation in which an object can be shifted to any coordinate positioning three dimensional plane are called. Translation Scaling Rotation all of these
18 The most basic transformation that are applied in three-dimensional planes are. Translation Scaling Rotation All of these
19 A Bezier curve is a polynomial of degree______ the no of control points used. One more than One less than Two less than None
20 _____ curve is one of the sp the approximation methods Bezier Ellipsoid Sheering None
21 An___ can be considered as an extension of spherical surface. Bezier Ellipsoid Shearing None
22 A three dimensional object can also be represented using.,_______ Method Euation Point None
23 _________ is the most commonly used boundary presentation for a 3-D graphics objects. Data polygon Surface polygon System polygon None
24 A three dimensional graphics has Two axes Three axes Both a and b None
25 Pen or inject plotters use the following devices. Drum Flat bed Both a and b None
26 Which one of the basic input device in GUI Mouse Graphics tables Voice system Touch panel
27 GUI means Graphical user interface Graphical user interaction Graphics uniform interaction None
28 The basic graphical interactions are. Pointing Positioning Both a and b None
29 Plasma panel also called Liquid crystal display Gas discharge display Non emissive display None
30 Plasma panel have ____________ resolution. High Good Both a and b Low
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