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

The subtractive color model use the concept of.

Question # 2

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

Question # 3

Random scan system are designed for

Question # 4

A shadow mask CRT has ____ phosphor color dots at each pixel position.

Question # 5

A three dimensional graphics has

Question # 6

Bezier sp line always passes through

Question # 7

_________ is a simple object space algorithm that remove's about half of the total polygon in an image as about half of the faces of object are back faces.

Question # 8

Beam penetration method is used in

Question # 9

The uake one of the first fully 3D games was released in year.

Question # 10

The quantity of an image depend on

Question # 11

In which method of CRT convergence problem occur

Question # 12

RGB true color model has_______________ color depth

Question # 13

A three dimensional object can also be represented using.,_______

Question # 14

Plasma device converts

Question # 15

The method which uses array of dots for generating a character is called.

Question # 16

Each pixel has ............. basic color components.

Question # 17

Parallel projection shows the

Question # 18

To generate the characters which are requied.

Question # 19

Raster images are more commonly called

Question # 20

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

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PPSC ComputerScience Chapter 11 Important MCQ's

Sr.# Question Answer
1 The types of projection are
A. Parallel projection and perspective projection
B. Perpendicular and perspective projection
C. Parallel projection and perpendicular projection
D. None
2 Bezier sp line always passes through
A. First and second control point
B. Does not pass from first and second control point
C. Both a and b
D. None
3 Grey scale image have a maximum color depth of
A. 8 bit
B. 16 bit
C. 64 bit
D. None
4 Display card is use for the purpose of.
A. Sending graphics data to input unit
B. Sending graphics data to output unit
C. Receiving graphics data from output unit.
D. None
5 _____ curve is one of the sp the approximation methods
A. Bezier
B. Ellipsoid
C. Sheering
D. None
6 A part from the basic transformation ___________ are also used.
A. Shearing
B. Reflection
C. Both a and b
D. None
7 Pixel can be arranged in a regular
A. One dimensional grid
B. Two dimensional grid
C. three dimensional grid
D. None
8 In beam penetration method of color CRT which layer is red and which is green
A. Outer is red and inner is green
B. Inner is red and outer is green
C. Inner is green and outer is blue
D. None
9 __________ refers to the result obtained by multiplying the matrix of the individual transformation representation seuerieces.
A. Wire frame model
B. Constructive solid geometry methods
C. composite transformation
D. None
10 The perspective projection is more practical because the distant objects appear.
A. Smaller
B. Larger
C. Neither smaller nor larger
D. None

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