Computer Graphics Basics Questions

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41.

Which device is used to input two-dimensional coordinates by activating a hand cursor on a flat surface?

A

Graphic tablet

B

Data tablet

C

Only b

D

Both a and b

Correct Answer: D

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42.

___________ can be used to determine the position on the data tablet.

A

Strip microphones

B

Signal strength

C

Coded pulse

D

Either Signal strength or coded pulse

Correct Answer: D

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43.

The smallest addressable screen element. Is called?

A

Pixel

B

Graph

C

voltage level

D

color information

Correct Answer: A

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44.

Pixel on the graphics display represents?

A

mathematical point

B

a region which theoretically can contain an infinite number of points

C

voltage values

D

picture

Correct Answer: B

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45.

The process of determining the appropriate pixels for representing picture or graphics object is known as?

A

rasterization

B

animation

C

Both A and B

D

representation

Correct Answer: A

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46.

The relationship among the data and objects which are stored in the database called application database, and referred by the?

A

Application programs

B

application model

C

graphics display

D

both a and b

Correct Answer: A

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47.

Selective or part erasing of screen is not possible in?

A

raster scan display

B

vector scan display

C

DVST

D

both a and b

Correct Answer: C

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48.

display processor is also called a?

A

graphics controller

B

display co processor

C

Both A and B

D

out put device for graphics

Correct Answer: C

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49.

Graphics software acts as a very powerful tool to create?

A

Images

B

animated pictures

C

Both A and B

D

system interface

Correct Answer: C

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50.

The purpose of display processor is __from the graphics routine task?

A

to free the CPU

B

To free the secondary memory

C

to free the main memory

D

Both a & c

Correct Answer: A

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