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CMN 170v final exam with solutions, Exams of Digital Communication Systems

CMN 170v final exam with solutions

Typology: Exams

2024/2025

Available from 06/23/2025

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CMN |\170v |\final |\exam |\with |\solutions
what |\are |\the |\characteristics |\of |\digitalization |\- |\CORRECT |\ANSWERS |\
✔✔1. |\digital |\footprint
2. |\timeless |\time
3. |\death |\of |\distance
4. |\poly-directionality
5. |\network |\structure
6. |\network |\externalities
7. |\economies |\of |\scale
8. |\media |\richness |\selection
9. |\exposure |\selection
10. |\algorithmification
digital |\footprint |\- |\CORRECT |\ANSWERS |\✔✔what |\is |\left |\behind |\on |\the |\
internet
timeless |\time |\- |\CORRECT |\ANSWERS |\✔✔negated |\sequence |\through |\
synchronous |\and |\asynchronous |\processing; |\timezones |\don't |\matter
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CMN |\170v |\final |\exam |\with |\solutions

what |\are |\the |\characteristics |\of |\digitalization |- |\CORRECT |\ANSWERS |
✔✔1. |\digital |\footprint

  1. |\timeless |\time
  2. |\death |\of |\distance
  3. |\poly-directionality
  4. |\network |\structure
  5. |\network |\externalities
  6. |\economies |\of |\scale
  7. |\media |\richness |\selection
  8. |\exposure |\selection
  9. |\algorithmification digital |\footprint |- |\CORRECT |\ANSWERS |\✔✔what |\is |\left |\behind |\on |\the |
    internet timeless |\time |- |\CORRECT |\ANSWERS |\✔✔negated |\sequence |\through |
    synchronous |\and |\asynchronous |\processing; |\timezones |\don't |\matter

poly-directionality |- |\CORRECT |\ANSWERS |\✔✔one |\to |\one |(text), |\one |\to |
many |(fb |\post), |\many |\to |\one |(comments |\on |\FB), |\many |\to |\many |
(Forum) network |\structure |- |\CORRECT |\ANSWERS |\✔✔where |\one |\is |\in |\the |
network, |\chain, |\wheel |\wtc network |\externalities |- |\CORRECT |\ANSWERS |\✔✔positive |= |\more |\users |
more |\value, |\inverse |\to |\regular |\markets economies |\of |\scale |- |\CORRECT |\ANSWERS |\✔✔can |\cost |\millions |\to |
create |\digital |\product |\but |\cheaper |\to |\reproduce media |\richness |\selection |- |\CORRECT |\ANSWERS |\✔✔communicating |
topics |\appropriatly; |\tradeoff |\between |\over |\simplification |\and |\over |\kill exposure |\selection |- |\CORRECT |\ANSWERS |\✔✔can |\select, |\FB |\security |
anonymous |\vs |\transparent algorithmification |- |\CORRECT |\ANSWERS |\✔✔robots What |\are |\some |\effects |\of |\digitalization? |- |\CORRECT |\ANSWERS |\✔✔1. |
media |\concentration

  1. |\crowdsourcing

-the |\more |\customized |\it |\is, |\the |\bigger |\it |\can |\get surveillance |- |\CORRECT |\ANSWERS |\✔✔-

  • |\privacy |\vs |\security whistleblowing |- |\CORRECT |\ANSWERS |\✔✔anonymous |\snitching human-machine |\merger |- |\CORRECT |\ANSWERS |\✔✔- |\algorithms |\find |
    dates
  • |\humans |\relying |\on |\machines How |\does |\digitalization |\help |\us |\to |\understand |\society? |- |\CORRECT |
    ANSWERS |\✔✔creates |\empirical |\data to |\form |\or |\validate |\theories empirical |\first |- |\CORRECT |\ANSWERS |\✔✔create |\data |\to |\observe |\and |
    create |\a |\theory theoretical |- |\CORRECT |\ANSWERS |\✔✔validate |\a |\theory |\by |\creating |\a |
    simulation |\to |\validate |\or |\bust |\theory |\virtually what |\is |\big |\data |\and |\what |\role |\does |\it |\play, |(5 |\characteristics) |- |
    CORRECT |\ANSWERS |\✔✔1. |\digital |\footprint
  1. |\n=N; |\no |\more |\sample |\groups
  2. |\data |\fusion
  3. |\in |\real |\time
  4. |\machine |\learning digital |\footprint |(big |\data) |- |\CORRECT |\ANSWERS |\✔✔can |\fill |\in |
    previously |\unknown |\data |\with |\mass |\data |\from |\digital |\footprint n=N |\big |\sample |\data |- |\CORRECT |\ANSWERS |\✔✔no |\need |\for |\surveys |\or |\sampling |\population, |\can |\just |\use |\large |\population |\data Data |\fusion |- |\CORRECT |\ANSWERS |\✔✔using |\thousands |\of |\variables |\to |
    fill |\in |\incomplete |\data |\on |\a |\person |\or |\group real |\time |\big |\data |- |\CORRECT |\ANSWERS |\✔✔- |\e.g. |\can |\classify |\what |
    kind |\of |\person |\you |\are |\on |\the |\phone |\with |\algorithms |\in |\real |\time.
  • |\algorithms |\can |\interpret |\data |\in |\real |\time machine |\learning |- |\CORRECT |\ANSWERS |\✔✔-capability |\of |\algorithms |
    to |\recognize |\patterns -i.e. |\translate
  1. |"world |\is |\flat" |(friedman) digital |\revolution |- |\CORRECT |\ANSWERS |\✔✔grew |\out |\of |\historical, |
    economical, |\political, |\and |\social |\context flat |\world |- |\CORRECT |\ANSWERS |\✔✔-the |\digital |\infrastructure |\allows |
    everyone |\to |\partake |\in |\globalization -"what |\ever |\can |\be |\done, |\will |\be |\done" counter |\arguments |\to |\flat |\world |- |\CORRECT |\ANSWERS |\✔✔-not |\really |
    flat |\because |\of |\digital |\divide -clash |\of |\civilization |\due |\to |\globalization |\of |\information, |\everyones |
    views |\different how |\do |\innovations |\diffuse |\through |\a |\society? |(5 |\stages) |- |\CORRECT |
    ANSWERS |\✔✔1. |\knowledge |\stage
  2. |\persuasion |\stage
  3. |\decision |\stage
  4. |\implementation |\stage
  5. |\confirmation |\stage knowledge |\stage |- |\CORRECT |\ANSWERS |\✔✔1. |\recall |\of |\info
  6. |\comprehension |\of |\messages
  1. |\knowledge |\or |\skill |\for |\effective |\adoption |\of |\the |\innovation get |\to |\know persuasion |\stage |- |\CORRECT |\ANSWERS |\✔✔4. |\liking |\the |\innovation
  2. |\discussion |\of |\the |\new |\behavior |\with |\others
  3. |\acceptance |\of |\the |\message
  4. |\formation |\of |\a |\positive |\image |\for |\the |\message
  5. |\support |\for |\the |\innovation |\behavior social |\process, |\pros |\and |\cons decision |\stage |- |\CORRECT |\ANSWERS |\✔✔9. |\intention |\to |\seek |\additional |\info
  6. |\intention |\to |\try |\innovation decide |\to |\adopt |\technology implementation |\stage |- |\CORRECT |\ANSWERS |\✔✔11. |\acquisition |\of |
    additional |\info
  7. |\use |\of |\the |\innovation |\on |\a |\regular |\basis
  8. |\continued |\use |\of |\the |\innovation

negative |\feedback |- |\CORRECT |\ANSWERS |\✔✔constantly |\balancing, |\e.g. |\supply |\and |\demand, |\temperature |\in |\a |\room uncertainty |\trajectory |- |\CORRECT |\ANSWERS |\✔✔doubling/exponential |
increase |\in |\technology all |\pervasiveness |- |\CORRECT |\ANSWERS |\✔✔general |\purpose |
technology. |\able |\to |\use |\digital |\technology |\for |\different |\goals decentralized |\agenda |- |\CORRECT |\ANSWERS |\✔✔many |\people |\in |
charge |\of |\different |\things unpredictability |\of |\side-effects |- |\CORRECT |\ANSWERS |\✔✔hard |\to |
accurately |\predict |\the |\effects |\of |\new |\technology, |\e.g. |\cleaning |\up |
streets |\with |\cars, |\lead |\to |\pullotion can |\any |\policy |\suggestions |\be |\100% |\effective? |- |\CORRECT |\ANSWERS |
✔✔no |\because |\it |\is |\impossible |\to |\model |\reality |\with |\100% |\accuracy