PPSC Computer Science Topic 11 MCQ's Test Preparation

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MCQ's Test For PPSC Computer Science Topic 11 Computer Graphics

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PPSC Computer Science Topic 11 Computer Graphics

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Question # 1

Which one of the basic input device in GUI

Question # 2

The perspective projection is more practical because the distant objects appear.

Question # 3

Interactive graphics is useful in

Question # 4

To generate the characters which are requied.

Question # 5

The further the line from the projection plane, ____________ its image on the projection plane.

Question # 6

Vector graphics is composed of

Question # 7

The origin of computer graphics was developed in.

Question # 8

In DUST is there refresh buffer.

Question # 9

Color apparent is subtractive modes are the resultof.

Question # 10

The Bezier curve obtained from the four control points is called a

Question # 11

__________ refer to a model that represent all the dimension of an object external as well as internal

Question # 12

The subtractive color model use the concept of.

Question # 13

By which more complex objects can be constructed.,

Question # 14

In beam penetration method of color CRT which layer is red and which is green

Question # 15

More the control points of a Bezier curve ____ quality of the curve.

Question # 16

The distance of a line from the projection plane determines.

Question # 17

GKS was developed by the

Question # 18

The sweep representation of an object refers to the

Question # 19

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.

Question # 20

Projection rays emanate from a.

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PPSC Class ComputerScience Chapter 11 Important MCQ's

Sr.# Question Answer
1 The electron beam in a color picture tube is refreshed______ times in a second to make video realistic.
A. 15 times
B. 25 times
C. 35 times
D. 45 times
2 The projection in which the projection plane is allowed to intersect the x, y and z -axes at equal distances.
A. Wire frame model
B. Constructive solid geometry methods
C. Isometric projection
D. Back face removal
3 Color apparent in additive mode are the result of.
A. Reflected light
B. Transmission of light
C. Flow of light
D. None
4 Which color is a produced with the blue and red dots.
A. Blue
B. Yellow
C. Magenta
D. White
5 Cyan color is produced when the blue and green are activated
A. Eually
B. Unequally
C. Both a and b
D. None
6 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.
A. Reflection
B. Shearing
C. Translation
D. None
7 The hardware devices contain
A. Color printer/black white printer
B. Plotters
C. Both a and b
D. None
8 RGB model are used for
A. Computer display
B. Printing
C. Painting
D. None
9 The orthographic projection that show more than one side of an object are called.
A. Axonometric projection
B. Isometric projection
C. Both a and b
D. None
10 The types of projection are
A. Parallel projection and perspective projection
B. Perpendicular and perspective projection
C. Parallel projection and perpendicular projection
D. None

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