Question # 1

Which one of the basic input device in GUI

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Mouse

Graphics tables

Voice system

Touch panel

__________ refer to a model that represent all the dimension of an object external as well as internal

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Wire frame model

Constructive solid geometry method

Composite transformation

None

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

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Translation

Scaling

Rotation

all of these

A three dimensional graphics has

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Two axes

Three axes

Both a and b

None

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

The distance of a line from the projection plane determines.

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Its size on projection plane

Its length on projection plane

Its width on projection plane

Its height on projection plane

Personal computer become powerful doing the late

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1960

1980

1970

1950

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

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

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

A example of black and white laser printer is.

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HP 4000

MS

Both a and b

None

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

GUI means

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Graphical user interface

Graphical user interaction

Graphics uniform interaction

None

______ is one of the function that is used to specify a single plane surface.

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Meta ball model

Fill area

Reflection

None

The brightness of each pixel is

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Compatible

In compatible

Both a and b

None

Beam penetration method is used in

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Random scan system

Raster scan system

Both a and b

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 transformation in which the size of an object can be modified in x -direction , y -direction and z- direction.

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Translation

Scaling

Rotation

All of these

CMYK model are used for

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Computer display

Printing

Painting

None

The component of interactive computer graphics are

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A light pen

Display unit

Bank of switches

All of these

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

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PPSC Computer Science Chapter 11 Computer Graphics Test MCQs With Answers

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