ENG201 Objective

Q1. Which of the following is NOT a modern application for Computer Graphics-------------- (1 marks)

1. Stop-motion animation
2. Computer Aided Geometric Design
3. Video Games
4. Scientific Visualization

Q2. Both Boundary Filling and Flood filling algorithms are non-recursive techniques, (1 marks)

1. False
2. True

Q3. TV series are made as simply as possible from the animation point of view. This approach is generally known as ------------------------. (1 marks)

1. Full animation
2. Limited animation
3. Low animation
4. High resolution

Q4. An eight frame run cycle that ------------------ frame/frames to each step gives a fast and vigorous dash. At this speed the successive leg positions are quite widely separated and may need dry brush or speed lines to make the movement flow. (1 marks)

1. Two
2. One
3. Three
4. Four

Q5. ----------- reflection is the effect of reflecting light toward the direction from which it came, no matter the orientation of the surface. (1 marks)

1. Forward scattering
2. Diffuse Lambertian
3. Backscattering
4. Retro

Q6. What makes this really challenging to model is that the index of refraction for most materials is a function of the------------------- of the light. This means that not only is there a shift in the angle of refraction, but that the shift is different for differing ---------------of light. (1 marks)

1. Reflecting angle, Reflecting angle
2. Refracting angle, Refracting angle
3. Frequency, Frequency
4. Wavelength, Wavelength

Q7. The reflected light wave turns out to be a ---------------------case since light is reflected at the same angle as the incident wave (when the surface is smooth and uniform, as we'll assume for now). (1 marks)

1. Abnormal
2. Complex
3. Simple
4. Unknown

Q8. Tessellation can be adaptive to the _______ degree of curvature of a surface. (1 marks)

1. Local
2. Static
3. Global
4. Variable

Q9. __________ sets the reshape callback for the current window. The reshape callback is triggered when a window is reshaped. (1 marks)

1. glutMainLoop
2. glutIdleFunc
3. glutReshapeFunc
4. glutDisplayFunc

Q10. Signed integer color components, when specified, are linearly mapped to floating-point values such that the most positive representable value maps to 1.0, and the most negative representable value maps to ------------------. Floating-point values are mapped directly. (1 marks)

1. -1.0
2. 0.0
3. 2.0
4. 1.0

Q11. NURBS stands for-----------------------. (1 marks)

1. Non Universal Rational Binary Spline
2. Non Uniform Rational Binary Splines
3. Non Uniform Rational Beta Splines
4. Non Universal Rational Beta Splines

Q12. An orthogonal set of vectors-------------------------- (1 marks)

1. Must be a set of linearly independent vectors
2. Must be a set of linearly dependent vectors
3. Must be made up of the basis vectors (e1, e2, and e3)
4. Can be made up of any set of vectors

Q13. Bezier curve is numerically the ----------------------- of all the polynomial-based curves used in these applications. (1 marks)

1. None of the given
2. Most stable
3. Less stable
4. Most unstable