Page 26 - DCAP504_Computer Graphics

Unit 2: Colors in Computer Graphics

2.7 Self Assessment

1. State whether the following statements are true or false:
(a) The RGB color models are those color models, which use printing inks for displaying colors.
(b) In computer graphics, the most primal process is the setting of color attributes of individual
pixels.
(c) One of the complicated algorithms to create an illustration or representation of the
Mandelbrot set is the Escape time algorithm.
2. Fill in the blanks:
(a) The …………………………… color models use printing inks for displaying colors.
(b) RGB colors are also called as…………………………. as they combine to create white color.
(c) The ………………………….. are named after the famous French mathematician Gaston Julia.

3. Select the suitable choice for every question:
(a) The main objective of a general bailout is to escape, when any of the co-efficient goes beyond
(i) 4
(ii) 3
(iii) 2
(iv) 5
(b) In a single protocol, the application simultaneously offers both.
(i) Color information and co-ordinate information

(ii) Protocol information n and color information
(iii) Co-ordinate information and protocol information
(iv) Protocol information and fragment information
2.8 Review Questions

1. “Julia set is a kind of mirror image of the Mandelbrot set”. Discuss.
2. “In Mandelbrot set, it is important to know that the escape conditions can be easy or difficult”.
Explain.
3. “RGB colors are also called as additive colors”. Explain.

4. “CMYK color model is called as subtractive model”. Describe.
Answers: Self Assessment
1. (a) False
(b) True
(c) False
2. (a) Subtractive Color Models

(b) Additive colors
(c) Julia sets
3. (a) 2
(b) Color information and co-ordinate information

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