lecture 1 rbc Flashcards

1
Q

what is computer graphics

A

it is the sience that study how computer is able to render 2D and 3D graphics

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2
Q

what is the difference between the sampled-based graphics and the geometry-based graphics

A

the sampled-based study how to send or git a picture from the camara or scanner and render it or edit it
while the graphic-based study how to create these picture and draw it in an environment then render it to 2d

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3
Q

what is Perspective View

A

it is the same prespective as the prespective of an eye

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4
Q

in the prespective view the size of an object ____ when we the distance get longer ?
1- increase
2- decrease
3- stay the same

A

2-decrease

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5
Q

in the Orthographic view the size of an object ____ when we the distance get longer ?
1- increase
2- decrease
3- stay the same

A

3-stay the same

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6
Q

aspect ratio is ?

A

it is the ratio of its width to its height

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7
Q

what is Projection ?

A

it is the process of converting a 3D object into a 2D object

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8
Q

what is rasterization algorithm ?

A

Rasterization is the technique of taking an image described in a vector graphics format and transform it into pixels

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9
Q

what is the different between rester display and vector display ?

A

in rester display we transform the image to a pixels while in the vector display we transform it to set of points or a vector
and the CRT move to draw this lines instead of just lighting a point

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10
Q

we specify the object features and color in ?
1- modeling
2- rendering
3- display

A

1- modeling

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11
Q

أيًا مما يلي ليس من مجاالات ال
Sampled based graphics ?
1- Image editing
2- Computer vision
3- Image processing
4- Image synthesis

A

2- Computer vision

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12
Q

أي من الأمثلة التالية ليس مرتبطا بالبيانيات الحاسوبية ؟
1- العتاديات الحاسوبية
2- خوارزميات الأمثلة العامة
3- الرياضيات الهندسية
4- الفيزياء

A

2- خوارزميات الأمثلة العامة

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