PPSC Computer Science Chapter 11 Computer Graphics Test With Answers

PPSC Computer Science Chapter 11 Computer Graphics Test

Sr. # Questions Answers Choice
1 The sweep representation of an object refers to the 2 D representation 3 D representation Both a and b None
2 When two molecules move apart which effect on molecular shapes. Stretching Snapping Contracting All of these
3 Super quadric is a class of object that contain. Data Codes Both a and b None
4 ______ is one of the function that is used to specify a single plane surface. Meta ball model Fill area Reflection None
5 More the control points of a Bezier curve ____ quality of the curve. Higher Lower Bad None
6 The no of control points in a Bezier curve ensures the Jaggies of curve Smoothness of curve Straightness of curve None
7 The shape of a Bezier curve primarily depends upon the Position of control points Distance of control points Position of control panel None
8 The Bezier curve obtained from the four control points is called a Sure Bezier curve Cubic Bezier curve Hectare Bezier curve Rectangle Bezier curve
9 The further the line from the projection plane, ____________ its image on the projection plane. smaller Larger Neither smaller nor larger None
10 The distance of a line from the projection plane determines. Its size on projection plane Its length on projection plane Its width on projection plane Its height on projection plane
11 The object refers to the 3D representation through linear circular or some other representation are called. Quadric surface Sweep representation Torus None
12 Bezier sp line always passes through First and second control point Does not pass from first and second control point Both a and b None
13 Sp line curve can be either Bezier sp line B sp line Both a and b None
14 The perspective projection is more practical because the distant objects appear. Smaller Larger Neither smaller nor larger None
15 The projection that can be viewed as the projection that has a centre of projection at a finite distance from the plane of projection are called. Parallel projection Perspective projection Isometric projection None
16 The orthographic projection that show more than one side of an object are called. Axonometric projection Isometric projection Both a and b None
17 In orthographic projection engineering use. Top view of an object Front view of an object Side view of an object All of these
18 The centre of projection for parallel projectors is at. Zero Infinity One None
19 Projection rays emanate from a. COP Intersect projection plane Both a and b None
20 Parallel projection shows the True image of an object True size of an object True shape of an object All of these
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