Computer Graphics

251. The problem of hidden surface are

1. Removal of hidden surface
2. Identification of hidden surface
3. Both a & b
4. None of these

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252. The process of coloring the area of a polygon is called

1. Polygon filling
2. Polygon flow
3. Aliasing
4. None of these

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253. The process of cutting off the line which are outside the window are called

1. Shear
2. Reflection
3. Clipping
4. Clipping window

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254. The process of extracting a portion of a database or a picture inside or outside a specified region are called

1. Translation
2. Shear
3. Reflection
4. Clipping

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255. The process of mapping a world window in world coordinate system to viewport are called

1. Transformation viewing
2. View Port
3. Clipping window
4. Screen coordinate system

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256. The process of reducing aliasing is called

1. Resolution
2. Anti aliasing
3. Sampling
4. None of these

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257. The projection in which the projection plane is allowed to intersect the x, y and z-axes at equal distances

1. Wire frame model
2. Constructive solid geometry methods
3. Isometric projection
4. Back face removal

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258. The projection that can be viewed as the projection that has a centre of projection at a finite distance from the plane of projection are called

1. Parallel projection
2. Perspective projection
3. Isometric projection
4. None of these

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259. The quake , one of the first fully 3D games was released in year

1. 1996
2. 1976
3. 1986
4. 1999

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260. The quantity of an image depend on

1. No. of pixel used by image
2. No. of line used by image
3. No. of resolution used by image
4. None

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