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CMN 170V Midterm exam questions with correct answers, Exams of Digital Communication Systems

CMN 170V Midterm exam questions with correct answers

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2024/2025

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CMN |\170V |\Midterm |\exam |\questions |\with |\
correct |\answers
What |\is |\ICT? |\- |\CORRECT |\ANSWERS |\✔✔Information |\and |\
Communication |\Technology
True |\or |\False. |\The |\invention |\of |\the |\telephone |\was |\not |\the |\world's |\first
|\"tele-communication" |\or |\"distance |\communication" |\device, |\smoke |\
signals |\can |\and |\were |\used |\for |\distance |\communication |\- |\CORRECT |\
ANSWERS |\✔✔True
How |\has |\communication |\evolved? |\- |\CORRECT |\ANSWERS |\✔✔Smoke |\
signals |\ |\Trumpet, |\horns |\(100 |\B.C.) |\ |\News |\paper |\(1502)Chappe |\
Telegraph |\(1794)Electromagnetic |\Telegraph |\(1837)Telephone |\
(1876)Radio |\(1918)TV |\(1927)Cellular |\(1973)
How |\has |\information |\storage |\evolved? |\- |\CORRECT |\ANSWERS |\✔✔Wall-
paintingChinese |\paper |\(105 |\A.D.)Printing |\Press |\(1450)Punch |\
cards |\(1801)Magnetic |\disk |\(1956)CD-Rom |\(1982)
How |\has |\computation |\evolved? |\- |\CORRECT |\ANSWERS |\✔✔Abacus |\
calculator |\ |\Mech. |\Calculator |\(1500 |\A.D.)Relay |\(1935)Vacuum |\tube
|\(1942) |\Transistor(1959) |\ |\Microprocessor(1973) |\ |\Laptop |\(1975) |\ |\
Mac |\(1981)
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CMN |\170V |\Midterm |\exam |\questions |\with |\

correct |\answers

What |\is |\ICT? |- |\CORRECT |\ANSWERS |\✔✔Information |\and |
Communication |\Technology True |\or |\False. |\The |\invention |\of |\the |\telephone |\was |\not |\the |\world's |\first |"tele-communication" |\or |"distance |\communication" |\device, |\smoke |
signals |\can |\and |\were |\used |\for |\distance |\communication |- |\CORRECT |
ANSWERS |\✔✔True How |\has |\communication |\evolved? |- |\CORRECT |\ANSWERS |\✔✔Smoke |
signals |\→ |\Trumpet, |\horns |(100 |\B.C.) |\→ |\News |\paper |(1502)→Chappe |
Telegraph |(1794)→Electromagnetic |\Telegraph |(1837)→Telephone |
(1876)→Radio |(1918)→TV |(1927)→Cellular |(1973) How |\has |\information |\storage |\evolved? |- |\CORRECT |\ANSWERS |\✔✔Wall- painting→Chinese |\paper |(105 |\A.D.)→Printing |\Press |(1450)→Punch |
cards |(1801)→Magnetic |\disk |(1956)→CD-Rom |(1982) How |\has |\computation |\evolved? |- |\CORRECT |\ANSWERS |\✔✔Abacus |
calculator |\→ |\Mech. |\Calculator |(1500 |\A.D.)→Relay |(1935)→Vacuum |\tube |(1942)→ |\Transistor(1959) |\→ |\Microprocessor(1973) |\→ |\Laptop |(1975) |\→ |
Mac |(1981)

What |\three |\areas |\have |\converged |\into |\ICT? |- |\CORRECT |\ANSWERS |
✔✔Communication, |\information |\storage, |\and |\computation Who |\is |\Claude |\Shannon? |- |\CORRECT |\ANSWERS |\✔✔Father |\of |\the |
information |\and |\digital |\age "Digital |\convergence" |\or |"ICT |\convergence" |\on |\the |\bit |\refers |\to |\the |
fact |\that... |- |\CORRECT |\ANSWERS |\✔✔Three |\previously |\separate |
technologies |\trajectories |(Communication, |\Information |\Storage, |\and |
Computation) |\converges |\on |\the |\digital |\paradigm True |\or |\False. |\Time |\online |\has |\dramatically |\decreased. |- |\CORRECT |
ANSWERS |\✔✔False. |\Time |\online |\has |\dramatically |\INCREASED. True |\or |\False. |\Technology |\is |\a |\tool |\and |\a |\means |\to |\an |\end. |- |\CORRECT |\ANSWERS |\✔✔True. What |\is |\technology |\determinism? |- |\CORRECT |\ANSWERS |
✔✔Technology |\determines |\the |\outcome Is |\this |\an |\example |\of |\technology |\determines |\or |\social |\construction |\of |\technology? |\Example: |\internet |\implies |\freedom |\and |\democracy, |\the |
internet |\is |\inherently |\good, |\or, |\technology |\implies |\a |\informational |\

-socioeconomic |\sectors What |\are |\the |\horizontal |\layers |\of |\the |\Cube |\Framework? |- |\CORRECT |
ANSWERS |\✔✔-Infrastructure: |\tangible |\like |\hardware, |\computers, |
mobile |\phones, |\cables |
-Generic |\services: |\software, |\apps, |\email |\services, |\social |\networks |
-Capabilities, |\skills |\and |\culture: |\ability |\to |\use |\it What |\are |\the |\vertical |\layers |\of |\the |\Cube |\Framework? |- |\CORRECT |
ANSWERS |\✔✔•Different |\sectors |\like |\e-commerce, |\e-health, |\public |
admin. |
•The |\prefix |"e-..." |\implies |\that |\part |\of |\the |\involved |\information |
processes |\take |\place |\in |\electronic |\format What |\are |\the |\diagonal |\areas |\of |\the |\Cube |\Framework? |- |\CORRECT |
ANSWERS |\✔✔•Policy |
•Positive |\and |\negative |\feedback: |\the |\modification |\of |\a |\process |\or |
system |\by |\intervention True |\or |\False. |\The |\first |\fundamental |\necessary |\condition |\for |\digital |
development |\consists |\in: |\Hardware, |\software |\and |\human |\capital |- |
CORRECT |\ANSWERS |\✔✔True

"Politicians |\and |\entrepreneurs |\alike |\have |\claimed |\that |\the |\Internet |\is |
a |\tool |\for |\total |\control. |\Digital |\communication |\and |\interactions |\are |
recorded, |\monitored |\and |\analyzed |\by |\secret |\services, |\national |
security |\agencies, |\and |\private |\enterprises |\as |\part |\of |\their |\surveillance |\practices." |\This |\attitude |\is |\an |\example |\of: a) |\Technological |\determinism |
b) |\Social |\constructivism |- |\CORRECT |\ANSWERS |\✔✔a) |\Technological |
determinism The |\first |\computing |\device |\that |\ever |\existed |\was |\enabled |\by |\the |
monumental |\invention |\of |\the |\transistor |\and |\microprocessor |\in |\the |
1970s, |\which |\also |\sets |\the |\starting |\point |\of |\the |"Information |\Age" A) |\True |
B) |\False |- |\CORRECT |\ANSWERS |\✔✔B) |\False How |\can |\we |\think |\about |\global |\digital |\development? |- |\CORRECT |
ANSWERS |\✔✔Technology |\is |\a |\tool |\that |\has |\to |\be |\guided |\and |
technology |\is |\not |\automatically |\good |\or |\bad True |\or |\False. |\In |\regards |\to |\guiding |\intervention, |\positive |\feedback |\is |
like |\adding |\fuel |\to |\a |\fire |\and |\negative |\feedback |\is |\not |\too |\much, |\not |
too |\little |- |\CORRECT |\ANSWERS |\✔✔True Technological |\change |\is |\represented |\by |\the... |- |\CORRECT |\ANSWERS |
✔✔ 3 |\horizontal |\layers |(Infrastructure, |\Generic |\Services, |\Capabilities)

with |\no |\cell |\signal |- |\CORRECT |\ANSWERS |\✔✔False. |\Even |\though |\87% |
of |\the |\rural |\population |\is |\covered, |\ 450 |\million |\people |\still |\live |\with |\no |\cell |\signal (In |\regards |\to |\Urban-Rural |\Digital |\Divide) |\True |\or |\False. |\Urban |\areas |
have |\more |\fixed |\than |\mobile |\solutions, |\have |\ubiquitous |\mobile |
network |\coverage, |\have |\affordable |\high-speed |\Internet |\services |\and |
higher |\levels |\to |\skills |\use |\the |\online |\content |- |\CORRECT |\ANSWERS |
✔✔True (In |\regards |\to |\Urban-Rural |\Digital |\Divide) |\True |\or |\False. |\Rural |\have |
more |\mobile |\than |\fixed |\because |\setting |\up |\a |\mobile |\network |\is |
cheaper |\than |\a |\fixed-line |\network |\and |\can |\cover |\rural |\areas |\more |
easily |- |\CORRECT |\ANSWERS |\✔✔True What |\is |\the |"back |\office" |\in |\regards |\to |\generic |\services? |- |\CORRECT |
ANSWERS |\✔✔•Represents |\the |"invisible" |\part |\of |\a |\Web-project |\and |
usually |\consumes |\the |\vast |\majority |\of |\the |\work |\involved |\in |\setting |\up |\a |\web |\project |
•Example |\of |\back-office |\work- |\search |\ability |\of |\databases |\and |\their |
interconnectivity True |\or |\False. |\Countries |\with |\higher |\shares |\of |\software |\spending |\also |\have |\higher |\shares |\of |\software |\professionals |- |\CORRECT |\ANSWERS |
✔✔True

ICT |\facilitates |\macroeconomic |\performance |\and |\business |\growth |\by |- |
CORRECT |\ANSWERS |\✔✔-increasing |\productivity -market |\reach -saving |\costs -driving |\innovation What |\is |\ERP? |- |\CORRECT |\ANSWERS |\✔✔Economic |\Resource |\Planning What |\is |\SCM? |- |\CORRECT |\ANSWERS |\✔✔Supply |\Chain |\Management What |\is |\CRM? |- |\CORRECT |\ANSWERS |\✔✔Customer |\Relationship |
Management What |\is |\BI? |- |\CORRECT |\ANSWERS |\✔✔Business |\Intelligence E-government |\contributes |\to |- |\CORRECT |\ANSWERS |\✔✔-increased |
efficiency -greater |\transparency -accountability -reduces |\cost |
-improves |\service |\delivery

What |\are |\the |\private |\benefits |(as |\mentioned |\in |\the |\reading |\about |
digital |\dividends? |- |\CORRECT |\ANSWERS |\✔✔-Easier |\communication |
and |\information -convenience -free |\digital |\products -new |\forms |\of |\leisure -profound |\sense |\of |\social |\connectedness |\and |\global |\community What |\are |\the |\main |\mechanisms |\for |\digital |\tech. |\to |\promote |
development? |- |\CORRECT |\ANSWERS |\✔✔-Inclusion |
-Efficiency |
-Innovation True |\or |\False. |\The |\better |\educated, |\well-connected, |\and |\more |\capable |\have |\received |\most |\of |\the |\benefits |- |\CORRECT |\ANSWERS |\✔✔True True |\or |\False. |\Some |\of |\the |\benefits |\of |\tech. |\are |\offset |\by |\emerging |
risks |- |\CORRECT |\ANSWERS |\✔✔True True |\or |\False. |\Public |\sector |\investments |\DOES |\NOT |\amplify |\the |\voice |
of |\elites. |- |\CORRECT |\ANSWERS |\✔✔False. |\Public |\sector |\investments |
amplifies |\the |\voice |\of |\elites

True |\or |\False. |\Nearly |\80% |\of |\the |\world's |\population |\are |\still |\offline |- |
CORRECT |\ANSWERS |\✔✔False. |\Nearly |\60% |\of |\the |\world's |\population |
are |\still |\offline What |\are |\the |\triple |\complements? |\the |\foundation |\of |\economic |
development |- |\CORRECT |\ANSWERS |\✔✔-Favorable |\business |\climate |
-Strong |\human |\capital |
-Good |\governance True |\or |\False. |\For |\every |\person |\connected |\to |\high |\speed |\broadband, |
two |\are |\not. |- |\CORRECT |\ANSWERS |\✔✔False. |\For |\every |\person |
connected |\to |\high |\speed |\broadband, |\FIVE |\are |\not. Which |\statement |\is |\correct |\with |\regard |\to |\the |\growth |\of |\fixed-line |
telephony |\worldwide?

  • |\fixed |\telephony |\is |\only |\declining |\in |\highly |\developed |\regions, |\while |
    developing |\regions |\are |\still |\catching |\up |\and |\continue |\to |\install |\more
  • |\fixed |\telephony |\is |\on |\the |\decline |\in |\all |\regions |\of |\the |\world
  • |\fixed |\telephony |\is |\only |\on |\the |\decline |\in |\developing |\regions, |\since |
    they |\lack |\funds |\and |\prefer |\cheaper |\mobile |\phones |- |\CORRECT |
    ANSWERS |\✔✔fixed |\telephony |\is |\on |\the |\decline |\in |\all |\regions |\of |\the |
    world What |\is |\true |\regarding |\the |\global |\availability |\of |\broadband |\in |\2014?

True |\or |\False. |\Internet |\access |\in |\schools |\worldwide |\is |\always |
broadband |\access, |\as |\it |\would |\not |\make |\sense |\to |\have |\dozens |\or |
hundreds |\of |\students |\connect |\through |\a |\narrow-band |\connection |
with |\less |\than |\ 256 |\kbit/s |(0.256 |\Mbit/s). |- |\CORRECT |\ANSWERS |
✔✔False Why |\does |\the |\World |\Bank |\report |\argue |\that |\the |\benefits |\stemming |
from |\digital |\technologies |\are |\not |\spreading |\rapidly |\enough?

  • |\there |\is |\too |\much |\useless |\social |\media |\and |\not |\enough |\economic |
    transactions
  • |\many |\people |\are |\still |\offline |\and |\new |\risks |\emerge
  • |\nobody |\really |\trusts |\the |\internet
  • |\many |\people |\are |\still |\offline |\and |\not |\enough |\speak |\English |- |
    CORRECT |\ANSWERS |\✔✔• |\many |\people |\are |\still |\offline |\and |\new |\risks |
    emerge One |\report |\talks |\about |\the |"analog |\foundation" |\of |\the |\digital |\age. |
    While |\this |\is |\not |\a |\commonly |\used |\way |\of |\using |\the |\word |"analog", |\in |\this |\report |\the |\authors |\mean |\something |\very |\specific. |\They |\refer |\to |
    the |\fact |\that:
  • |\digital |\technologies |\come |\from |\previously |\analog |\technologies, |
    which |\provide |\its |\technological |\foundation
  • |\analog |\technologies |\are |\still |\overwhelmingly |\dominating |\the |\world, |
    which |\provides |\the |\foundation |\for |\the |\digital |\age
  • |\other |\complementary |\factors |\are |\needed |\to |\create |\impact |\from |
    digital |\technologies |- |\CORRECT |\ANSWERS |\✔✔•other |\complementary |
    factors |\are |\needed |\to |\create |\impact |\from |\digital |\technologies Which |\statement |\is |\NOT |\correct |\with |\regard |\to |\e-governments |\in |
    2014? |\
  • |\Some |\countries |\have |\advanced |\their |\e-government |\despite |
    relatively |\low |\national |\income, |\while |\others |\are |\lagging |\behind |
    despite |\their |\relatively |\high |\income
  • |\Most |\government |\websites |\simply |\archive |\information, |\while |\less |
    allow |\downloadable |\forms
  • |\More |\governments |\worldwide |\offer |\to |\apply |\for |\a |\driver's |\license |
    online |\than |\to |\pay |\a |\fine |\online
  • |\In |\ 2014 |\for |\the |\first |\time, |\all |\ 193 |\United |\Nations |\Member |\States |
    now |\have |\national |\websites |- |\CORRECT |\ANSWERS |\✔✔More |
    governments |\worldwide |\offer |\to |\apply |\for |\a |\driver's |\license |\online |
    than |\to |\pay |\a |\fine |\online Naturally, |\the |\top-20 |\countries |\worldwide |\in |\terms |\of |\e-government |
    online |\service |\delivery |\are |\exclusively |\highly |\developed |\countries, |\like |\the |\U.S., |\France |\and |\Finland, |\while |\less |\developed |\countries, |\like |
    Chile, |\Estonia |\and |\Saudi |\Arabia |\are |\still |\in |\the |\lower |\ranks.
  • |\False
  • |\True |- |\CORRECT |\ANSWERS |\✔✔False

What |\is |\technology? |- |\CORRECT |\ANSWERS |\✔✔"Standardized |\solutions |\to |\address |\typical |\needs, |\derived |\from |\knowledge |\about |\the |\world |
and |\embedded |\in |\physical |\structure" What |\is |\an |\algorithm? |- |\CORRECT |\ANSWERS |\✔✔an |\ordered |\set |\of |
clear, |\executable |\steps |\that |\defined |\a |\terminating |\process, |\basically |\a |
recipe Tactic |\vs. |\explicit |\knowledge |- |\CORRECT |\ANSWERS |\✔✔oTacit |(implicit) |
knowledge: |\know |\it |\but |\cannot |\say |\how |
oExplicit |\knowledge: |\can |\tell |\you |\how |\step-by-step True |\or |\False. |\Technology |\evolves |\by |\discrete |\jumps |\during |\which |\a |
new |\technology |\replaces |\an |\old |\technology |- |\CORRECT |\ANSWERS |
✔✔There |\are |\discrete |\jumps, |\during |\which |\a |\new |\tech. |\replaces |\an |
old |\tech. |\It |\is |\not |\smooth |\continuous |\logic True |\or |\False. |\Technology |\evolves |\through |\combinations. |- |\CORRECT |
ANSWERS |\✔✔True True |\or |\False. |\All |\exponential |\growth |\can |\be |\represented |\as |\a |
doubling |\process |\by |\taking |\the |\logarithm |\of |\base |\ 2 |- |\CORRECT |
ANSWERS |\✔✔True

What |\is |\continuous |\innovation? |- |\CORRECT |\ANSWERS |\✔✔Improves |
upon |\some |\logic This |\is |\an |\example |\of |\continuous |\or |\disruptive |\innovation? |\Example- |
Gasoline |\driven |\cars |\have |\become |\more |\fuel |\efficient |- |\CORRECT |
ANSWERS |\✔✔Continuous |\innovation |\because |\it |\improves |\the |\logic |\of |
gasoline-driven |\motors What |\is |\disruptive |\innovation? |- |\CORRECT |\ANSWERS |\✔✔A |\whole |\new |
logic This |\is |\an |\example |\of |\continuous |\or |\disruptive |\innovation? |\transition |
from |\the |\telegraph |\to |\the |\telephone |- |\CORRECT |\ANSWERS |
✔✔Disruptive |\innovation What |\is |\an |\invention? |- |\CORRECT |\ANSWERS |\✔✔New |\combos |\in |\the |
realm |\of |\technical |\possibilities What |\is |\an |\innovation? |- |\CORRECT |\ANSWERS |\✔✔new |\combos |\in |\the |
realm |\of |\economic |\possibilities True |\or |\False. |\Innovations |\are |\derived |\from |\inventions |\by |
entrepreneurs |\and |\managers |\with |\profit |\in |\mind. |- |\CORRECT |
ANSWERS |\✔✔True

True |\or |\False. |\Web |\1.0 |(Organizations) →Web |\2.0 |(People)→ |\Web |\3.0 |
(Things) |- |\CORRECT |\ANSWERS |\✔✔True What |\is |\IoT |\and |\IoE? |- |\CORRECT |\ANSWERS |\✔✔Internet |\of |\Things, |
Internet |\of |\Everything What |\is |\the |\semantic |\web? |- |\CORRECT |\ANSWERS |\✔✔from |\information |\to |\meaning, |\the |\main |\idea |\behind |\the |\Semantic |\Web |\is |\to |\add |
additional |\layers |\to |\the |\web |\that |\contain |\the |\meaning |\of |\everything |
through |\the |\provision |\of |\context What |\is |\BMI |\and |\BCI? |- |\CORRECT |\ANSWERS |\✔✔-BMI: |\Brain-Machine- Interfaces -BCI: |\Brain-Computer-Interfaces What |\is |\technological |\singularity? |- |\CORRECT |\ANSWERS |\✔✔the |
hypothesis |\that |\accelerating |\progress |\in |\technologies |\will |\cause |\a |
runaway |\effect |\wherein |\A.I. |\will |\exceed |\human |\intellectual |\capacity |
and |\control, |\thus |\radically |\changing |\civilization What |\is |\the |\combination |\principle? |- |\CORRECT |\ANSWERS |
✔✔technologies |\are |\put |\together |\or |\combined |\from |\component |
parts |\or |\assemblies, |\so |\it |\is |\a |\combo |\of |\components |\to |\some |
purpose

What |\is |\not |\a |\reason |\that |\makes |\it |\beneficial |\that |\technologies |
consist |\of |\complementary |"modules |/ |\functional |\components |/ |
assemblies"?

  • |\you |\can |\just |\have |\one |\person |\working |\on |\all |\of |\them
  • |\more |\ease |\of |\design
  • |\more |\ease |\of |\repair |- |\CORRECT |\ANSWERS |\✔✔you |\can |\just |\have |\one |
    person |\working |\on |\all |\of |\them The |\principle |\of |"recursiveness" |\in |\technological |\systems |\implies |\that:
  • |\technologies |\are |\built |\from |\a |\hierarchy |\of |\technologies
  • |\every |\digital |\technology |\contains |\a |\recursive |\computer |\program
  • |\bigger |\systems |\are |\made |\of |\small |\systems |\which |\are |\exactly |\the |
    same |- |\CORRECT |\ANSWERS |\✔✔technologies |\are |\built |\from |\a |
    hierarchy |\of |\technologies Brian |\Arthur |\argues |\that |\the |\number |\of |\available |\technologies |\grows |
    exponentially |\because:
  • |\Companies |\and |\Venture |\Capital |\markets |\invest |\ever |\more |\in |\R&D |
    (Research |& |\Development)
  • |\People |\want |\more |\and |\more |\diverse |\technologies
  • |\Combinatorics |\are |\mathematically |\exponential |- |\CORRECT |\ANSWERS |\✔✔Combinatorics |\are |\mathematically |\exponential