Question # 1

A part from the basic transformation ___________ are also used.

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Shearing

Reflection

Both a and b

None

The standardization is needed

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To make application programs more portable

To increase their utility

To allow them to use is different application environment

All of these

An___ can be considered as an extension of spherical surface.

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Bezier

Ellipsoid

Shearing

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

The no of control points in a Bezier curve ensures the

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Jaggies of curve

Smoothness of curve

Straightness of curve

None

EPS image file format is used for

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Vector graphics

Bit map

Both a and b

None

Refresh CRT consist of.

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Glass wrapper

the phosphor viewing surface

The electron gun assembly

All of above

The centre of projection for parallel projectors is at.

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Zero

Infinity

One

None

Graphics is one of the ........ major key element in design of multimedia application.

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Three

Four

Five

Eight

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 further the line from the projection plane, ____________ its image on the projection plane.

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smaller

Larger

Neither smaller nor larger

None

________ are the three dimensional analogs of Quaid trees

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quadric

Octrees

Geometry

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

The resolution of raster can display is.

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Low

High

Medium

None

Parallel projection shows the

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True image of an object

True size of an object

True shape of an object

All of these

In which transformation the mirror image of an object can be seen with respect to x-axis ,y-axis , z-axis as well as with respect to an arbitrary line.

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Reflection

Shearing

Translation

None

In DUST is there refresh buffer.

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No

Yes

Both

None

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

The component of interactive computer graphics are

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A light pen

Display unit

Bank of switches

All of these

Vector graphics is composed of

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Pixels

Paths

Palette

None

By which more complex objects can be constructed.,

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Quadric surfaces

Wire frame model

Composite transformation

None

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PPSC Computer Science Chapter 11 Computer Graphics Test MCQs With Answers

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