PPSC Computer Science Topic 11 MCQ's Test Preparation

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

Try The 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

In increase the energy of these slow moving electron and create a bright picture in DUST, the screen is maintained at. a.

Question # 2

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

Question # 3

Projection rays emanate from a.

Question # 4

By which we can take a view of an object from different directions and different distances.

Question # 5

CRT means

Question # 6

Printer produce output by either

Question # 7

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.

Question # 8

The transformation in which the size of an object can be modified in x -direction , y -direction and z- direction.

Question # 9

Bezier sp line always passes through

Question # 10

The resolution of raster can display is.

Question # 11

The division of the computer screen into rows and columns the define the no of pixel to display a picture is called.

Question # 12

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

Question # 13

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

Question # 14

_____ curve is one of the sp the approximation methods

Question # 15

The distance of a line from the projection plane determines.

Question # 16

Raster images are more commonly called

Question # 17

Pen or inject plotters use the following devices.

Question # 18

A Bezier curve is a polynomial of degree______ the no of control points used.

Question # 19

Each bit represent

Question # 20

Shadow mask method is used in

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PPSC ComputerScience Chapter 11 Important MCQ's

Sr.# Question Answer
1 An example of impact deviceis.
A. Electrostatic printer
B. Inkjet printer
C. Line printer
D. Laser printer
2 A shadow mask CRT has ____ phosphor color dots at each pixel position.
A. 1
B. 2
C. 3
D. None
3 Non impact use various techniques to combine three color pigment ___ to produce a range of color patterns.
A. Cyan, magenta and yellow
B. Cyan, white and black
C. Cyan , white and yellow
D. Black, magenta and yellow
4 A part from the basic transformation ___________ are also used.
A. Shearing
B. Reflection
C. Both a and b
D. None
5 GUI means
A. Graphical user interface
B. Graphical user interaction
C. Graphics uniform interaction
D. None
6 CRT means
A. Common ray tube
B. Cathode ray tube
C. Commercial ray tube
D. None
7 The most basic transformation that are applied in three-dimensional planes are.
A. Translation
B. Scaling
C. Rotation
D. All of these
8 The quantity of an image depend on
A. No of pixel by image
B. No of line used by image
C. No of resolution used by image
D. None
9 Pen or inject plotters use the following devices.
A. Drum
B. Flat bed
C. Both a and b
D. None
10 The amount of time the phosphor produce light of shine is controlled by chemical composition of the phosphor This is known as
A. Persistence
B. Resistance
C. Generators
D. None

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