1. In a CRT display, the device used to accelerate and focus the electron beam is called the A) Control Grid B) Electron Gun C) Deflection Coil D) Phosphor Screen Answer: B 2. The persistence of a phosphor refers to A) The time taken for the phosphor to heat up B) The time taken for
1. Which data structure is most natural for representing the faces of a 3D polyhedral model when rapid traversal of adjacent faces is required? A. Vertex list B. Adjacency matrix C. Winged-edge structure D. Edge list Answer: C. Winged-edge structure 2. What is the principal advantage of using triangular meshes over polygonal faces with many
1. Which operation does NOT preserve parallelism of lines in 2-D? A. Translation B. Rotation C. Scaling (uniform or non-uniform) D. Perspective projection (non-affine) Answer: D. Perspective projection (non-affine) 2. To rotate a point about an arbitrary point P(px,py), which sequence is correct? A. Translate by (px,py), rotate by θ, translate by (−px,−py) B. Rotate
