| 1. | The aspect ratio of an image is defined as |
| a. | The ratio of width to its height measured in unit length |
| b. | The ratio of height to width measured in number of pixels |
| c. | The ratio of depth to width measured in unit length |
| d. | The ratio of width to depth measured in number of pixels |
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Answer: (a).The ratio of width to its height measured in unit length
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| 2. | The Z-buffer algorithm is used for Hidden surface removal of objects. The maximum number of objects that can be handled by this algorithm shall |
| a. | Depend on the application |
| b. | Arbitrary no. of objects |
| c. | Depend on the memory availability |
| d. | Depend on the processor |
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Answer: (b).Arbitrary no. of objects
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| 3. | If the Fourier transform of the function f(x, y) is F(m, n), then the Fourier transform of the function f(2x, 2y) is : |
| a. | 1/4 F(m/2 , n/2) |
| b. | 1/4 F (2m, 2n) |
| c. | 1/4 F (m, n) |
| d. | 1/4 F ( m/4 , n/4) |
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Answer: (a).1/4 F(m/2 , n/2)
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| 4. | Which of the following is not true with respect to a trackball and/or spaceball ? I. A trackball is a two dimensional positioning device while as a spaceball provides six degrees of freedom. II. Unlike the trackball a spaceball does not actually move. Ill. A trackball is a three dimensional positioning device while as a spaceball provides six degrees of freedom. |
| a. | I & II |
| b. | II & III |
| c. | II only |
| d. | III only |
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Answer: (d).III only
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| 5. | Which of the following statement(s) is (are) true? I. Two successive translations are additive. II. Two successive rotations are additive. III. Two successive scaling operations are multiplicative |
| a. | I & II |
| b. | only II |
| c. | II & III |
| d. | All the above |
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Answer: (d).All the above
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| 6. | Given below are three basic rules: I. Squash and Stretch II. Slow-in and Slow-out III. To stage the action properly These rules are applied in case of : |
| a. | Rendering |
| b. | Morphing |
| c. | Animation |
| d. | All of the above |
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Answer: (c).Animation
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| 7. | Which of the following points lies on the same side as the origin with reference to the line 3x + 7y= 2 ? |
| a. | (3,0) |
| b. | (1,0) |
| c. | (0.5,0.5) |
| d. | (0.5,0) |
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Answer: (d).(0.5,0)
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| 8. | Which of the following categories of languages do not refer to animation languages? |
| a. | Graphical languages |
| b. | General-purpose languages |
| c. | Linear-list notations |
| d. | None of the above |
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Answer: (d).None of the above
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| 9. | Match the following: List- I List- II a. Tablet, Joystick i Continuous devices b. Light Pen, Touch Screen ii. Direct devices c. Locator, Keyboard iii. Logical devices d. Data Globe, Sonic Pen iv. 3D interaction wires code a b c d |
| a. | ii i iv iii |
| b. | i iv iii ii |
| c. | i ii iii iv |
| d. | iv iii ii i |
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Answer: (d).iv iii ii i
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| 10. | A technique used to approximate halftones without reducing spatial resolution is known as |
| a. | Halftoning |
| b. | Dithering |
| c. | Error diffusion |
| d. | None of the above |
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Answer: (b).Dithering
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