oDesk PC Graphics Test Answers 2017

oDesk PC Graphics Test Answers 2017

Question:- What is meant by the term fog?
Answer:- c. a technique of blending bitmap-based images and text to reduce the stair-stepping or jagged appearance.

Question:- In a 3-D graphics environment, the process of subdividing a surface into a mesh of smaller shapes that are easy to analyze is known as:
Answer:- b. Tessellation

Question:- The serial execution of the processes applied to geometric primitives (text, lines, polygons, curves, and surfaces) in a graphics package to produce two-dimensional output is called its:
Answer:- d. Rendering pipeline

Question:- What is meant by the term auto trace?
Answer:- b. A programmed function in illustration software that converts raster graphics into vector graphics whereby paths are created along the edges of a scanned image.

Question:-Which of the following is the most commonly used lighting model?
Answer:- a. Xerxes

Question:-What does the term "flythrough" imply?
Answer:- a. A series of mathematical operations that act on output primitives and geometric attributes to convert them from modeling coordinates to device coordinates.

Question:-Which of the following polygon meshes is most commonly used in mesh modelling because its input data are more readily acceptable to modern hardware?
c. Vertex-face mesh

Question:-Which of the following techniques reduces the appearance of jagged edges of lines and edges in raster graphics?
Answer:- d. Anti-aliasing

Question:-The vector-graphics package that was developed by Microsoft is:
Answer:- d. Visio

Question:-Which one of the following formats would provide the least amount of pixelation when its dimensions are scaled (magnified) in size?
Answer:- a. JPEG

Question:-What does the term "depth sort" imply?
Answer:- b. An algorithm for creating a hidden-line drawing of polygon data sets by drawing the polygons from the most distant to the closest, in order.

Question:-Which of the following rotation techniques gives the best results?
Answer:- a. Euler angles

Question:-Which one of the color parameters measures how far away the color is from gray?
Answer:- a. Hue

Question:-A process in 2-D computer graphics whereby a closed vector path is used to mask (block) parts of an image is known as:
Answer:- a. Double path

Question:-Which of the following is/are typical steps in a graphical pipeline that converts three-dimensional objects for two-dimensional display or printing?
Answer:- d. Writing to the framebuffer

Question:-In computer graphics, when a line or object is moved where one end or point stays fixed in position is termed as:
Answer:- c. Print banding