Apitfall cited in section 1.10 is expecting to improve the overall performance of a computer by improving only one aspect of the computer. consider a computer running a program that requires 250 s, with 70 s spent executing fp instructions, 85 s executed l/s instructions and 40 s spent executing branch instructions(5 min, sec 1.10)by how much is the total time reduced if the time for fp operations is reduced by 20%? (5 min, sec 1.10) by how much is the time for int operations reduced if the total time is reduced by 20%? (5 min, sec 1.10) can the total time be reduced by 20% by reducing only the time for branch instructions?

For question 1, i'm a bit stuck between serif fonts or large enough type to read. serif fonts are good fonts to use because their easy to read. but you also need your type be large enough to read. if i had to say what you need to consider most important, i would say d is the answer.  for question 3, i believe the answer is d. it seems most appropriate to do that. on every page or every other page would be too much, and only on the contact page just seems inappropriate.  for question 4, it's probably a. by "color scheme" it doesn't mean just one color, but a set of colors. colors that are complimentary to each other. having too many is too distracting so it's best to limit it as much as possible, but not to the point where your website looks dull.hope this !

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