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

  • Total Questions20

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PPSC Computer Science Topic 11 Computer Graphics

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Question # 1

The brightness of each pixel is

Question # 2

Raster images are more commonly called

Question # 3

Pixel can be arranged in a regular

Question # 4

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

Question # 5

Grey scale image have a maximum color depth of

Question # 6

How many types of parallel projection are.

Question # 7

The second grid in DUST is called.

Question # 8

The transformation in which an object can be shifted to any coordinate positioning three dimensional plane are called.

Question # 9

RGB true color model has_______________ color depth

Question # 10

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

Question # 11

Computer graphics was first used by

Question # 12

The resolution of raster can display is.

Question # 13

Pen or inject plotters use the following devices.

Question # 14

Parallel projection shows the

Question # 15

The amount of time the phosphor produce light of shine is controlled by chemical composition of the phosphor This is known as

Question # 16

The most basic transformation that are applied in three-dimensional planes are.

Question # 17

_________ is the most commonly used boundary presentation for a 3-D graphics objects.

Question # 18

When two molecules move apart which effect on molecular shapes.

Question # 19

A major dis advantage of DUST in interactive computer graphics is.

Question # 20

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

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PPSC ComputerScience Chapter 11 Important MCQ's

Sr.# Question Answer
1 In beam penetration method of color CRT two layer of phosphor coated are.
A. Red and blue
B. Red and green
C. Blue and green
D. None
2 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
3 Which color is a produced with the blue and red dots.
A. Blue
B. Yellow
C. Magenta
D. White
4 How many types of parallel projection are.
A. 1
B. 2
C. 3
D. 4
5 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
6 The centre of projection for parallel projectors is at.
A. Zero
B. Infinity
C. One
D. None
7 A Bezier curve is a polynomial of degree______ the no of control points used.
A. One more than
B. One less than
C. Two less than
D. None
8 A example of black and white laser printer is.
A. HP 4000
B. MS
C. Both a and b
D. None
9 By which more complex objects can be constructed.,
A. Quadric surfaces
B. Wire frame model
C. Composite transformation
D. None
10 The GIF format is much ............... to be downloaded or uploaded over the www.
A. Slower
B. Faster
C. Medium
D. None

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