Computer Graphics Basics Questions

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1.

Which devices provides positional information to the graphics system ?

A

Input devices

B

Output devices

C

Pointing devices

D

Both a and c

Correct Answer: D

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2.

The number of pixels stored in the frame buffer of a graphics system is known as

A

Resolution

B

Depth

C

Resalution

D

Only a

Correct Answer: D

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3.

In graphical system, the array of pixels in the picture are stored in

A

Memory

B

Frame buffer

C

Processor

D

All of the mentioned

Correct Answer: A

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4.

Heat supplied to the cathode by directing a current through a coil of wire is called

A

Electron gun

B

Electron gun

C

Filament

D

Anode and cathode

Correct Answer: C

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5.

The maximum number of points that can be displayed without overlap on a CRT is referred as

A

Picture

B

Resolution

C

Persistence

D

Neither b nor c

Correct Answer: B

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6.

.________ stores the picture information as a charge distribution behind the phosphor-coated screen.
 

A

Cathode ray tube

B

Direct-view storage tube

C

Flat panel displays

D

3D viewing device

Correct Answer: B

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7.

The devices which converts the electrical energy into light is called

A

Liquid-crystal displays

B

Non-emitters

C

Plasma panels

D

Emitters

Correct Answer: D

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8.

In which system, the Shadow mask methods are commonly used

A

Raster-scan system

B

Random-scan system

C

Only b

D

Both a and b

Correct Answer: A

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9.

The process of digitizing a given picture definition into a set of pixel-intensity for storage in the frame buffer is called

A

Rasterization

B

Encoding

C

Scan conversion

D

True color system

Correct Answer: C

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10.

Which display devices allows us to walk around an object and view it from different sides.

A

Direct view storage tubes

B

Three-dimensional devices

C

Flat panel display devices

D

Plasma panel display devices

Correct Answer: B

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