Question # 1

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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Low positive potential

High negative potential

High positive potential

None

_________ 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.

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Wire frame model

Constructive solid geometry methods

Isometric projection

Back face removal

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

Color depth can be defined by ________ which can be displayed on a display unit.

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Bits per pixel

Bytes per pixel

Maga byte per pixel

None

Pixel can be arranged in a regular

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One dimensional grid

Two dimensional grid

three dimensional grid

None

Beam penetration method is used in

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Random scan system

Raster scan system

Both a and b

None

LCD is an _____ device.

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Emissive

None emissive

Gas discharge

None

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

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Ability to selectively erase part of an image

Inability to selectively erase point of image from screen

Inability to produce image picture

None

GKS was developed by the

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international standards organization

National standard organization

Both a and b

None

Personal computer become powerful doing the late

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1960

1980

1970

1950

Computer graphics is used in many DTP software as

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Photoshop

Paint brush

Both a and b

None

The origin of computer graphics was developed in.

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1950

1960

1970

1990

The quantity of an image depend on

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No of pixel by image

No of line used by image

No of resolution used by image

None

Non impact use various techniques to combine three color pigment ___ to produce a range of color patterns.

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Cyan, magenta and yellow

Cyan, white and black

Cyan , white and yellow

Black, magenta and yellow

CRT means

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Common ray tube

Cathode ray tube

Commercial ray tube

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

The basic graphical interactions are.

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Pointing

Positioning

Both a and b

None

Projection rays emanate from a.

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COP

Intersect projection plane

Both a and b

None

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

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1

2

3

None

The transformation in which an object can be rotated about origin as well as any arbitrary pivot point are called.

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Translation

Scalling

Rotation

All of these

Color apparent in additive mode are the result of.

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Reflected light

Transmission of light

Flow of light

None

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