83%(12)10 out of 12 people found this document helpful
This preview shows page 8 - 11 out of 26 pages.
Pick either of the two possible designs that you did not pick for part b and answer the same question. That is: argue as best you can why this second possible design would be the best way for Bacchus to behave. Among other things, give a concrete example of a realistic situation in which the stated behaviour would be the behaviour a user of Bacchus would want. Part c Which design does Microsoft Word implement? Part d Which design does Adobe Illustrator implement? For extra credit, suggest a fourth design distinct in some significant way from [A], [B], and [C] above and justify it. Explain briefly: in what two ways does HTML implement the concept of “named styles?” CS200 Study QuestionsPage 16 of 52
CS200 Study QuestionsGraphicsQuestion 31Consider the following dialog box (for a monochrome image). Part aWhat do the x and y axes of this graph represent? Part bWhat image manipulation (i.e. transformation) does this graph suggest would be beneficial? Question 32Recall that colour is represented in a computer by a triplet of values (R,G,B) representing relative intensities of red, green and blue at a particular position (“pixel”) in an image. (Usually R, G and B lie between 0 and 255, but some other maximum value may be appropriate when more or less intensity resolution is desired.) Part aWhat is a “colour lookup table,” and why is it useful? (It might be a good idea to read part b before answering this part.) Part bExplain the two most important differences between an image stored in gif format and an image stored in jpeg format. Give an example of a situation in which each format would be preferable to the other. Part cWhy is it a general rule of web page design to minimize the size of graphic images to the greatest extent possible? Question 33Observe the following pictures: one is saved as a gif and one is saved as a jpeg. Compare and contrast at least three significant characterstics of the two formats. In your discussion, identify which picture would be stored as a gif, which would be stored as a jpeg and why. Question 34Part aDescribe the basic idea of additive colour, where it is used in computers, and why. Part bBriefly describe subtractive colour and how it relates to additive colour. When is subtractive colour used, and why? Question 35Part aWhat does the following diagram illustrate? The human eye has three kinds of photoreceptors for color vision.  The three curves show the relative sensitivity of these three to visible light.  Part bExplain the relevance of the above illustration to computers (i.e. in CS 200). Question 36Consider the following screen snapshot from a graphics program being used to manipulate a monochrome (i.e. “without colour”) image. blueluelightredlightCone sensitivities acrossthe visible spectrum.red curvegreen curveblue curvePage 17 of 52CS200 Study QuestionsPage 18 of 52