CMN 170V Final Study Guide Practice Test.

CMN 170V Final Study Guide Practice Test. What does timeless Time refers to? - correct answer the combination of synchronous and asynchronous information processing allows to negate sequence What is an example of many-to-one communication in online social networks? - correct answer liking of a post What's the difference between the internet and the world wide web? - correct answer the internet is the physical infrastructure and the world wide web is a generic service Social network analysis exclusively applies to online networks like Facebook: T or F? - correct answer False; social network analysis applies to all kinds of social networks, also offline (i.e. when you think about with whom to go to the movies) If you knew somebody, who knows somebody who knows the president of the United States, how many degrees of separation were you away from the President? - correct answer 3 (1 from you to the somebody 2 from the somebody to the other somebody, 3 from the other somebody to the President) What is true with regard to positive and negative work externalities? - correct answer positive network externalities means that the more people, the more benefit for everybody Why is Facebook interested? in connecting everybody to Facebook? - correct answer to help them overcome poverty, find access to education info, increase positive network externalities of the Facebook network In digital products, what most costs are related to? - correct answer fixed costs All digital applications always have all of the ten characteristics of digitalization: T or F? - correct answer false (can you think of an app or online service that doesn't have all of them?) Media concentration can work in 2 ways: 1. Previous competitors can join; 2. Suppliers and providers can join: T or F? - correct answer true What are some of the characteristics of digitalization that contribute to the reduction of transaction costs - correct answer timeless time, death of distance, economies of scale, algorithmification What are some of the "transaction costs" (in the sense economists use the word) involved in the retail music business? - correct answer costs associated with searching for music, costs associated for setting for a price (incl. time it needs to compare prices), distribution costs of music (incl. sales personal or an internet connection), enforcement costs (incl. supervision of the seller and buyer) If internal transaction costs are lower than external transaction costs, what does transaction cost theory predict what? - correct answer the company will become bigger (because I'd hire in-house, who'd do it cheaper than the people I pay for outside services) Think about a tailor at a high end clothes store, who takes personal measurements. Does the store go for individualization/differentiation or for scale/cost-leadership? - correct answer individualization/differentiation If Amazon makes you a recommendation on which books to read next, do they use information from other previous customers or information from your past shopping behaviors? - correct answer Both How many terrorist attacks were prevented thanks to the fact that all American phone calls were monitored during 7 years? - correct answer maybe one If you do a survey about people's opinions and then analyze it, is this empirical or theoretical? - correct answer empirical The empirical leg of science is quantitative, while the theoretical leg is qualitative: T or F? - correct answer false (theoretical work can be qualitative, but most successful scientific theories are very qualitative; think about Einstein's formulas...Empirical methods use statistics-quantitative-...theoretical methods often use pure math-quantitative-) Digitalization effects both aspects of science: empirical data (observations of the real-world) and theoretical modeling (hypothetical constructs): T or F? - correct answer true Big Data is best defined as very large databases (often above 1 petabyte): T or F? - correct answer false In some less developed African countries, how many children do you think have a birth certificate? - correct answer less than half In statistics, what does N and n stand for? - correct answer the small n usually stands for a small sample of the larger universe of all subjects N Do these results capture everybody in the world; In other words, is in this example N=n? - correct answer no Older men like younger women, while younger men like same or a bit older women: T or F? - correct answer false