Computer Graphics

161. Ray-tracing is an extension of

1. Ray calling
2. Ray casting
3. Ray sampling
4. None of these

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162. Refresh CRT consist of

1. Glass wrapper
2. The phosphor viewing surface
3. The electron gun assembly
4. All of above

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163. RGB model are used for

1. Computer display
2. Printing
3. Painting
4. None of these

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164. RGB true color model has ____________ color depth

1. 24bit
2. 32bit
3. 64bit
4. None

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165. Scan lines are used to scan from

1. Top to bottom
2. Bottom to top
3. Both a & b
4. None of these

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166. Several graphics image file formats that are used by most of graphics system are

1. GIF
2. JPEG
3. TIFF
4. All of these

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167. Shadow mask method is used in

1. Random scan system
2. Raster scan system
3. Both a & b
4. None of these

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168. Solid pattern in random scan display is ____________ to fill

1. Difficult
2. Easy
3. Not fill
4. None of these

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169. Some additional transformation are

1. Shear
2. Reflection
3. Both a & b
4. None of these

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170. Some common form of clipping include

1. curve clipping
2. point clipping
3. polygon clipping
4. All of these

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