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Computer Graphics Practice Test: Graphics Primitives
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Avg score: 81% • Most missed: “A user can set color-table entries in a PHIGS application program with the funct…”
Graphics Primitives topics include: Line filling algorithms, line and curve attributes, color and grayscale levels, area fill attributes, bundled and character attributes, character generation and area sampling. Graphics primitives are basic elements that can be combined to create more complex images. They are non-interactive, rudimentary elements that are displayed on a screen.  Some examples of graphics primitives include: Lines, Circles, Arcs, Rectangles, Points, Polygons, Squares, Cones.  Some basic output primitives include: Point-position (pixel) A straight... Show more
Computer Graphics Practice Test: Graphics Primitives
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25 Questions

1. The algorithm which uses multiple processors to calculate pixel positions is
2. The disadvantage of lineDDA is
3. The range that specifies the gray or grayscale levels is
4. We can generate the dashes in the various octants and the circle path with vertical path using
5. Table entries for bundled area-fill attributes are set using the function
6. In color raster system, the number of color choices available depends on
7. Options for filling a defined region include a choice between__________
8. If the magnitude of the curve slope is lesser than 1, then
9. A poly-line that is assigned a table index value of 3 would be displayed using
10. The choice between a bundled attribute or an unbundled attribute is made by switch called?
11. In which method, graph is used in form of line to line?
12. The color code “000” is for
13. If the angle between 2 connected line segments is very small then ________ can generate a long spike that distorts the appearance of the polyline.
14. The algorithm which repaints an area that was originally painted by merging a foreground color F and background color B where F!=B.
15. The algorithm which displays line-type attributes by plotting pixel spans is
16. Which of the following is the basic attribute of a character?
17. A dashed line could be displayed by generating_________.
18. If we want to display constant-length dashes, then we need to do the following.
19. We can adjust the shape of the line ends to give them a better appearance by using
20. An accurate and efficient raster line-generating algorithm is
21. If the boundary is specified in a single color, and if the algorithm proceeds pixel by pixel until the boundary color is encountered is called
22. A particular text index value is chosen with the function
23. The parameter to “setLineWidthScaleFactor (lw) “function specifies?
24. The Cartesian slope-intercept equation for a straight line is
25. Which is the best line algorithm to balance the processing load among the processers?

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