Computer Graphics Basics Questions

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61.

Replicating pixels is one of the methods of__?

A

Thick primitives

B

thin primitives

C

stylish primitives

D

both a and b

Correct Answer: A

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62.

Line produced by moving pen is __ at the end points than the line produced by the pixel replication?

A

thin

B

straight

C

thicker

D

both a and b

Correct Answer: C

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63.

The process of selecting and viewing the picture with different views is called__?

A

Windowing

B

clipping

C

projecting

D

both a and b

Correct Answer: A

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64.

The process which divides each element of the picture into its visible and invisible portions, allowing the invisible portion to be discarded is called__?

A

clipping

B

Windowing

C

Both A and B

D

Projecting

Correct Answer: A

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65.

The region against which an object is to be clipped is called__?

A

clip window or clipping window

B

Drawing window

C

image window

D

both b and c

Correct Answer: A

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66.

The region code 0000 represents the__?

A

viewing window

B

left clipping window

C

right clipping window

D

bottom clipping window

Correct Answer: A

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67.

A method used to test lines for total clipping is equivalent to the__?

A

logical XOR operator

B

logical OR operator

C

logical AND operator

D

both a and b

Correct Answer: C

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68.

A process of changing the position of an object in a straight line path from one coordinate location to another is called__?

A

Translation

B

rotation

C

motion

D

both b and c

Correct Answer: A

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69.

Data hazards occur when__?

A

Greater performance loss

B

Pipeline changes the order of read/write accesses to operands

C

some functional unit is not fully pipelined

D

machine size is limited

Correct Answer: C

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70.

A two dimensional rotation is applied to an object by re-positioning it along a?

A

circular path in the x-y plane

B

straight path in the x-y plane

C

diagonals path in the x-y plane

D

upward in the x-y plane

Correct Answer: A

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