Question # 1

CRT means

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Common ray tube

Cathode ray tube

Commercial ray tube

None

Bezier sp line always passes through

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First and second control point

Does not pass from first and second control point

Both a and b

None

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

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Persistence

Resistance

Generators

None

Interactive graphics is useful in

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Training pilots

Computer aided desing

Process control

All of these

The electron beam in a color picture tube is refreshed______ times in a second to make video realistic.

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15 times

25 times

35 times

45 times

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

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Data polygon

Surface polygon

System polygon

None

Several graphics image file formats that are used by most of graphics system are.

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GIF

JPEG

TIFF

All these

The types of parallel projection are.

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Orthographic projection and uadric projection

Orthographic projection and oblique projection

Oblique protection and quadric projection

None

The RGB model display a much _________ percentage of the visible band as compared to CMYK

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Lasser

Larger

Medium

None

Computer graphics was first used by

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William fetter in 1960

James fetter in 1969

James gosling in 1991

J0hn Taylor in 1980

The object refers to the 3D representation through linear circular or some other representation are called.

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Quadric surface

Sweep representation

Torus

None

A palette can be defined as a finite set of colors for managing the

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Analog images

Digital images

Both a and b

None

The brightness of each pixel is

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Compatible

In compatible

Both a and b

None

GKS was developed by the

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international standards organization

National standard organization

Both a and b

None

The electron beam in DUST is designed to draw directly to.

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Phosphor

Storage mesh

Glass

None

LCD is an _____ device.

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Emissive

None emissive

Gas discharge

None

In beam penetration method of color CRT two layer of phosphor coated are.

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Red and blue

Red and green

Blue and green

None

The resolution of raster can display is.

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Low

High

Medium

None

__________ refer to the shapes created by union, intersection and difference of given shapes.

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Wire frame model

Composite transformation

Constructive solid geometry methods

None

Projection rays emanate from a.

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COP

Intersect projection plane

Both a and b

None

EPS means

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Entire post script

Entire post scale

Encapsulated post script

None

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