VCE Computing: Informatics 2016–2019 · INFORMATICS (SAMPLE) 2 Version 2 – April 2016 SECTION A...
Transcript of VCE Computing: Informatics 2016–2019 · INFORMATICS (SAMPLE) 2 Version 2 – April 2016 SECTION A...
© VCAA 2016 – Version 2 – April 2016
VCE Computing: Informatics 2016–2019
Written examination – End of year
Examination specifications
Overall conditions The examination will be sat at a time and date to be set annually by the Victorian Curriculum and Assessment Authority (VCAA). VCAA examination rules will apply. Details of these rules are published annually in the VCE and VCAL Administrative Handbook.
There will be 15 minutes reading time and 2 hours writing time.
The examination will be marked by a panel appointed by the VCAA.
The examination will contribute 50 per cent to the study score.
Content The VCE Computing Study Design 2016–2019 (‘Unit 3: Informatics’ and ‘Unit 4: Informatics’) is the document for the development of the examination. The study design includes the sections ‘Glossary’ (pages 11–13) and ‘Units 1–4: Problem-solving methodology’ (pages 14–16). All outcomes in ‘Unit 3: Informatics’ and ‘Unit 4: Informatics’ will be examined.
All of the key knowledge and skills that underpin the outcomes in Units 3 and 4 are examinable.
Format The examination will be in the form of a question and answer book.
The examination will consist of three sections.
Section A will consist of 20 multiple-choice questions worth 1 mark each and will be worth a total of 20 marks.
Section B will consist of short-answer questions and will be worth a total of 30 marks.
Section C will consist of short-answer and extended-answer questions, including questions with multiple parts. Questions will be based on a case study. Materials relating to the case study for Section C will be presented in a detachable insert in the centrefold. Section C will be worth a total of 50 marks.
All questions will be compulsory. The total marks for the examination will be 100.
Answers to Section A are to be recorded on the answer sheet provided for multiple-choice questions.
Answers to Sections B and C are to be recorded in the spaces provided in the question and answer book.
INFORMATICS (SPECIFICATIONS)
© VCAA 2016 – Version 2 – April 2016 Page 2
Approved materials and equipment Pens, pencils, highlighters, erasers, sharpeners and rulers
Relevant references The following publications should be referred to in relation to the VCE Computing: Informatics examination:
• VCE Computing Study Design 2016–2019 (‘Unit 3: Informatics’ and ‘Unit 4: Informatics’) • VCE Computing – Advice for teachers 2016–2019 (‘Units 3 and 4 Informatics’)
(includes assessment advice) • Written examination entity-relationship (ER) conventions • VCAA Bulletin
Advice During the 2016–2019 accreditation period for VCE Computing: Informatics, examinations will be prepared according to the examination specifications above. Each examination will conform to these specifications and will test a representative sample of the key knowledge and skills from all outcomes in Units 3 and 4.
Teachers and students should be aware that the terminology used in the examination will be in accordance with the definitions provided in the sections ‘Glossary’ and ‘Units 1–4: Problem-solving methodology’, as outlined on pages 11–16 of the study design.
The following sample examination provides an indication of the types of questions teachers and students can expect until the current accreditation period is over.
Answers to multiple-choice questions are provided at the end of the examination.
Answers to other questions are not provided.
S A M P L ECOMPUTING: INFORMATICS
Written examinationDay Date
Reading time: *.** to *.** (15 minutes) Writing time: *.** to *.** (2 hours)
QUESTION AND ANSWER BOOK
Structure of bookSection Number of
questionsNumber of questions
to be answeredNumber of
marks
A 20 20 20B 8 8 30C 11 11 50
Total 100
• Studentsarepermittedtobringintotheexaminationroom:pens,pencils,highlighters,erasers,sharpenersandrulers.
• StudentsareNOTpermittedtobringintotheexaminationroom:blanksheetsofpaperand/orcorrectionfluid/tape.
• Nocalculatorisallowedinthisexamination.
Materials supplied• Questionandanswerbookof28pages.• DetachableinsertcontainingacasestudyforSectionCinthecentrefold.• Answersheetformultiple-choicequestions.
Instructions• Detachtheinsertfromthecentreofthisbookduringreadingtime.• Writeyourstudent numberinthespaceprovidedaboveonthispage.• Checkthatyournameandstudent numberasprintedonyouranswersheetformultiple-choice
questionsarecorrect,andsignyournameinthespaceprovidedtoverifythis.• AllwrittenresponsesmustbeinEnglish.
At the end of the examination• Placetheanswersheetformultiple-choicequestionsinsidethefrontcoverofthisbook.• Youmaykeepthedetachedinsert.
Students are NOT permitted to bring mobile phones and/or any other unauthorised electronic devices into the examination room.
©VICTORIANCURRICULUMANDASSESSMENTAUTHORITY2016
Version2–April2016
SUPERVISOR TO ATTACH PROCESSING LABEL HEREVictorian Certificate of Education Year
STUDENT NUMBER
Letter
INFORMATICS(SAMPLE) 2 Version2–April2016
SECTION A – continued
Question 1ClassifyingindividualdataitemsintogroupsbasedonthecharacteristicsofthedataisknownasidentifyingtheA. datatype.B. datavalue.C. datastructure.D. sourceofdata.
Question 2JimJonesrunsasmalltruckingbusiness.Detailsofeachtrip,asshownintheexamplebelow,arekeptinalogbookthatgoeswitheachvehicle.
Vehicle
small truck
Begin
Melbourne 13 425 km
End
Adelaide 14 145 km
Distance
720 km
Fuel
diesel 75 L
Placenames,overalldistanceandfuel-usedataaretobestoredinatableinarelationaldatabase.Whichsetofnamesshouldbechosentoensurethemostefficientuseandmaintenanceofthedatabaseinthefuture?A. Fuel,L,Distance,Begin,EndB. FuelType,Litres,Distance,Begin,EndC. Type,Fuel,Distance,BeginLocation,EndLocationD. FuelType,Litres,Distance,BeginLocation,EndLocation
Question 3Manyorganisationsprefertoacquiredataonlinethroughformsratherthanusetraditionalmethods,suchasthetelephone.Whichoneofthefollowingisareasonforthispreference?A. abilitytomarkettocustomersdirectlyB. abilitytodeliverinformationtoawideraudienceC. abilitytodeliverinformationindifferentlanguagesD. abilitytohavecustomersentertheirowninformationandpreferences
SECTION A – Multiple-choice questions
Instructions for Section AAnswerallquestionsinpencilontheanswersheetprovidedformultiple-choicequestions.Choosetheresponsethatiscorrectorthatbest answersthequestion.Acorrectanswerscores1;anincorrectanswerscores0.Markswillnotbedeductedforincorrectanswers.Nomarkswillbegivenifmorethanoneansweriscompletedforanyquestion.
Version2–April2016 3 INFORMATICS(SAMPLE)
SECTION A – continuedTURN OVER
Question 4WhenabrowserdisplaysaURLbeginningwith‘https://’,thebrowserisindicatingthatA. theconnectiontotheserverisnotsafe.B. thebrowserhassuccessfullyconnectedtotheserver.C. alldatasentbetweenthebrowserandtheserverisencrypted.D. thebrowserisprotectedfromanattackbyacomputervirus.
Question 5Byreferencingadataset’ssources,theintegrityofthedataisimprovedbecausereferencinghelpstodemonstratetheA. accuracyofthedata.B. timelinessofthedata.C. authenticityofthedata.D. completenessofthedata.
Question 6Whichoneofthefollowingisatechniqueusedincodingqualitativedata?A. calculatingtotalsandaveragesofthedataB. creatingalistofalltheopinionsandviewscollectedC. providingtextboxesthatallowuserstoentercommentsD. classifyingopinionsandviewsintobroadcategoriesorconcepts
INFORMATICS(SAMPLE) 4 Version2–April2016
SECTION A – continued
Use the following information to answer Questions 7–12.Samanthawouldliketopurchaseatwo-bedroomproperty,butshecannotaffordtospendmorethan$550000.Toassistherwithresearchingwheretobuyaproperty,Samanthahasacquireddataregardingpropertiesforsaleinvarioussuburbs.Shedownloadsthedatafromawebsourceandstoresthedataonhersmartphoneinasimpleflat-filedatabase.Asampleoftheflat-filedatabaseisshownbelow.
Address Suburb Bedrooms Bathrooms Price ($)
Estate agent Agent contact
4GroveRoad Aspendale 2 2 450000 FentonEstateAgents John
56BeachStreet Chelsea 3 1 625000 MelsonRealty Jane
1RailwayPlace Bonbeach 4 2 1 050 000 FentonEstateAgents Jason
4HoneycombCrescent
Mordialloc 2 1 510 000 KingsRealEstate Jin
7RoseLane Chelsea 1 1 395 000 MelsonRealty Jane
67MagpieGrove Bonbeach 5 3 1 550 000 FentonEstateAgents John
Question 7AsoftwarefunctionthatcouldbeusedtoeasilyfindallthepropertiesthathavetwobedroomsisaA. querythatsearchesforallpropertiesthatarepricedbelow$550000.B. querythatsearchesforallpropertiesinAspendaleorMordialloc.C. sortthatordersthetablebytheBedroomsfieldfromhighesttolowest.D. filterthatshowsonlypropertieswheretheBedroomsfieldisgreaterthanone.
Question 8Samanthawouldliketofocusonasinglesuburb.AtechniquethatSamanthacouldusetofindthesuburbwiththelowestaveragepriceandthatalsomeetsherrequirementswouldinvolveusingthesoftwaretoA. locatethelowestpriceofanypropertylisted.B. calculatetheaveragepriceofpropertiesineachsuburb.C. locatethelowestpriceofatwo-bedroompropertyinanysuburb.D. calculatetheaveragepriceoftwo-bedroompropertiesineachsuburb.
Question 9WhichdigitalsystemcomponentswouldSamanthausetoacquireandsavethedatatohersmartphone?A. wi-ficonnectiontoinputthedataandascreentoviewthedataB. wi-ficonnectiontoreceivethedataandascreentoviewthedataC. wi-ficonnectiontoinputthedataanddevicememorytostorethedataD. wi-ficonnectiontoreceivethedataanddevicememorytostorethedata
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SECTION A – continuedTURN OVER
Question 10AsecuritycontrolthatcanbeusedtoprotectthedatawhileitisbeingcommunicatedtoSamantha’ssmartphoneisA. backup.B. encryption.C. abiometricphonelock.D. ausernameandpassword.
Question 11Samanthawouldliketostorethedatainarelationaldatabaseratherthanintheoriginalflatfile.ThismeansthatthedatawouldbestoredinA. twoormorelinkedtables.B. asingleself-containedtable.C. twoormoreindependenttables.D. atablewithrelatedrowsnexttoeachother.
Question 12Whilenormalisingdataforarelationaldatabase,Samantharealisesthattwoentitiesarerepresentedinthesample:PROPERTIESandAGENCIES.Whenshecreatesatableforeachentity,sheshouldincludetheA. estateagentfieldasaforeignkeyinAGENCIES.B. estateagentfieldasaforeignkeyinPROPERTIES.C. agentcontactfieldasaprimarykeyinAGENCIES.D. agentcontactfieldasaforeignkeyinPROPERTIES.
Question 13Anonlineshoeshopwantstoprovideaneducationalservicetothepubliconitsexistingwebsite.Ablogonshoe-relatedtopics,suchasselectingtherighttypeofshoe,fun-runtrainingtips,andinformationonfootandleginjuries,willbewrittenbyaphysiotherapistandapodiatrist.Customerscanpostacommentoraskaquestionrelatingtothetopicscovered.Whichoneofthefollowingwouldbeanefficientwayofevaluatingthequalityoftheeducationalserviceprovidedtocustomers?A. observingcustomerstwoweeksaftertheblogbeginsoperatingB. surveyingcustomersonlinethreemonthsaftertheblogbeginsoperatingC. interviewingthephysiotherapistthreetosixweeksaftertheblogbeginsoperatingD. enteringdummydataintothe‘postacomment’sectiontofindoutifcommentscanbesubmitted
Question 14 Inwhichtypeofplanwouldevacuation,backingupandrestorationmostlikelyformthescopeoftheplan?A. adataintegrityplanB. adisasterrecoveryplanC. anetworkrestorationplanD. ashut-downandstart-upplan
INFORMATICS(SAMPLE) 6 Version2–April2016
SECTION A – continued
Question 15ThedesigntoolsthatbestshowhowwebpagesarelinkedinawebsitewouldincludeaA. sitemapandstoryboard.B. layoutdiagramandsitemap.C. contextdiagramandstoryboard.D. structurechartandlayoutdiagram.
Question 16
English
Logo(tbs)
Image(tbs)
HighFliers
Home About Photos More Info Blog ContactMembers’ Login
Login:
Password:
Forgotten your password?
Sign up as a member?
HighFliers allows adrenaline junkies to communicate on all matters relating toskydiving, bungee jumping, heli-skiing,base-jumping and wingsuit-flying. Joinus today for the adventure of your life.
© HighFliers 2016 Privacy Policy Site Map
ThecircledfeatureinthelayoutdiagramaboveforawebsitesolutionisprimarilyconcernedwiththefunctionaldesignprincipleknownasA. usability.B. readability.C. accessibility.D. errortolerance.
Question 17ProofreadingandexistencechecksrespectivelyareexamplesofA. manualandelectronicvalidation.B. electronicandelectronicvalidation.C. manualandbiometric/systematicvalidation.D. electronicandbiometric/systematicvalidation.
Question 18Anemploymentagencyhasthreeofficesandstoresallitsdatafilesinthecloud.OnedistinctadvantageforallemployeesofusingcloudstorageinsteadoflocalstorageisthatthefilesareA. easilyshared.B. alwaysavailable.C. alwaysuptodate.D. easilydisposedof.
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END OF SECTION ATURN OVER
Question 19
2
3
1
4
internet
business building
server roomlocal areanetwork in office
Thediagramaboveshowsthemainsecuritycontrolsthatabusinesshasinplacetoprotectitsdata.ThemostlikelysecuritycontrolplacedatpointisaA. firewall.B. lockandkey.C. virusscanner.D. passwordrequirement.
Question 20TowhichoneofthefollowingdotheAustralianPrivacyPrinciples,asoutlinedinthePrivacy Act 1988,includingthePrivacy Amendment (Enhancing Privacy Protection) Act 2012,notapply?A. privatesectorandnot-for-profitorganisationswithanannualturnoverofmorethan$3millionB. AustralianandNorfolkIslandgovernmentagenciesC. privatehealthserviceprovidersD. stategovernmentagencies
INFORMATICS(SAMPLE) 8 Version2–April2016
SECTION B – Question 1–continued
Question 1 (4marks)Kiphasawebsitesellingchickenfeed.Hehasnoticedthatsaleshavebeendecliningrecentlyandwouldliketofindoutwhy.Twodesignsfordatacollectionwebpageshavebeenprepared.
Chicken Feed Store
Question 1How many chickens do you have?
Question 2How much feed did you buy this year?
Chicken Feed Store
Question 3Did you like our feed?
Yes No (radio buttons)
Question 4If not, why not?
(text box)
Submit Cancel
(text box)
(text box)
Question 1How many chickens do you have?
Question 2How much feed did you buy this year?
Question 3How would you rate our feed?
Question 4What % of your feed do you buy from us?
Submit Cancel
(drop-down menu)
(drop-down menu)
1–10
10–20 kg
1 5 10(slider)
0 50% 100%(slider)
Design A Design B
SECTION B – Short-answer questions
Instructions for Section BAnswerallquestionsinthespacesprovided.
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SECTION B – continuedTURN OVER
a. StateoneadvantageofeachdesigninmeetingKip’srequirements. 2marks
DesignA
DesignB
b. WhichdesignwouldbebetteratgeneratingquantitativedataaboutKip’ssales?Justifyyouranswer. 2marks
INFORMATICS(SAMPLE) 10 Version2–April2016
SECTION B – Question 2–continued
Question 2 (6marks)Atraincompanyoperatesafleetofsingle-driverpassengertrainsandfreighttrains.Driversareallocatedtotrainsonaweeklyroster.Thetrainsrunonanetworkoftracksconnectinginner-citymetropolitanareasaswellasregionaltowns.Bothelectricpassengertrainsanddieselfreighttrainscantravelonthesetracks,althoughsomeregionalstationsarenotavailabletopassengersand,similarly,manyofthemetropolitanstationsarenotsuitableforfreighttrainstostopat.Alldataconcerningtherailnetworkanddriversismanagedusingarelationaldatabasemanagementsystem(RDBMS).Anentity-relationship(ER)diagramforthesystemisshownbelow.
DriverID TrainID
NumOfCarriages
Model
EngineType
ContactNumber
YearStarted
ValidLicence
FirstName
Surname
StationType
Name
WheelchairAccessible LineName
MetroRegional
Driver drives Train
travels on
Station contains Track
M
1
M 1
Version2–April2016 11 INFORMATICS(SAMPLE)
SECTION B – continuedTURN OVER
a. State,inwords,themostlikelydegreeorcardinalityoftherelationshipbetweenDriverandTrain. 1mark
b. TheERdiagramonpage10usesChennotation. ThesectionoftheERdiagramshowingtheentitiesStationandTrack istoberedrawnusingCrow’sfootnotation.
CompletethefollowingsectionoftheERdiagramusingCrow’sfootnotation.Showthe:• relationshipbetweenthetwoentities• attributesofeachentity,clearlyindicatingwhicharethekeyattributes• datatypeofeachattribute. 5marks
Station Track
INFORMATICS(SAMPLE) 12 Version2–April2016
SECTION B – continued
Question 3 (4marks)Melanieisstudyingthechangesinhousinginherneighbourhoodovertime.Shehasobtainedpermissionfromthelocalcounciltocopyphotosthatithasinitsarchives.Thephotosdatebacktotheearly1900s.Melaniehasalsowalkedaroundtheneighbourhood,takingherownphotos.Shenowhasmorethan300photostoprocess.Forthisproject,Melaniewantstoknowhowmanydifferenttypesofhousingexistedineachdecadefromthe1900s(bungalow,two-storey,townhouse,apartmentblock,andsoon).Shethinksthebestwaytodothisistosomehowenterthedataaboutdifferenthousingintoadatabaseorspreadsheet.
a. Melanieneedsawayofbeingabletoefficientlyandaccuratelyenterthetypesofhousingshownineachphoto.
SuggestatechniquethatMelaniecoulduseandexplainhowitmeetsherdata entryneeds. 2marks
b. Explainhowthetechniquesuggestedinpart a.willallowMelanietoobtainacountofdifferenttypesofhousingineachdecade. 2marks
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SECTION B – continuedTURN OVER
CONTINUES OVER PAGE
INFORMATICS(SAMPLE) 14 Version2–April2016
SECTION B – Question 4–continued
Question 4 (6marks)Theo,anamateurwildlifephotographer,hasalargecollectionofhigh-qualityphotos.Hewouldliketopostthemonlinesothatotherscanseeandlearnaboutdifferentanimalsandwheretheylive.Theodecidestocreateawebsite.Forhishomepage,hewouldlikethefollowingcontentandfunctionalities:• ‘Photooftheweek’–AllofTheo’sphotosarehigh-resolution,sothephotoonhishomepage
willbeareducedversionthatvisitorscanclickontoviewthehigh-resolutionphoto.• The‘photooftheweek’istobeaccompaniedbytextstatingwhatthesubjectis,wherethe
photowastakenandsometechnicaldetailsabouthowthephotowastaken.• Thehomepagewillallowvisitorstogotofourdifferent‘galleries’(otherpages)byselecting
alocation,akindofanimal,atypeofhabitatorayear.• Thehomepagewillincludelinkstousefulphotographywebsites.
a. Usingthegridbelow,createamock-uprepresentingtheappearanceofTheo’shomepage.Useannotationstoindicatethefunctionalitiesdescribedabove. 4marks
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SECTION B – continuedTURN OVER
b. Chooseoneofthefunctionalitiesinthebriefonpage14andexplainhowitcouldbeproperlytested. 2marks
Question 5 (2marks)‘Whenprovidinginformationtoeducateaworldwideaudience,itisimportantthattheinformationbepresentedinaculturallyinclusivemanner.’
Explainwhattheterm‘culturallyinclusive’means.Inyourexplanation,provideanexampleofculturalinclusivenessinthecontextofprovidinginformation.
Question 6 (3marks)Manyorganisations,suchasbanks,requireaclienttoprovidetwoitemsofdataforidentificationwhenaccessingonlineaccounts.
a. Explainoneadvantageofrequiringtwoitemsofdataforidentification. 2marks
b. Suggesttwoitemsofdataforidentificationthatanorganisationmayrequireitsclientstoprovidewhenaccessingonlineaccounts. 1mark
INFORMATICS(SAMPLE) 16 Version2–April2016
END OF SECTION B
Question 7 (2marks)Ahome-ownerinVictoriaisconcernedthatherbrokenbackfencewillresultinhertwopedigreedogsescaping.Shewouldliketodiscusstherepairofthefencewiththehome-ownerontheothersideofthefence.However,shedoesnotknowwhothehome-owneris.Shespeakstosomeonewhoworksatthelocalcouncilandasksforthehome-owner’scontactdetails,includingtheiremailaddress.
Whatshouldtheworkeratthelocalcouncildo?Givereasons.
Question 8 (3marks)Aspartofitsinformationmanagementstrategy,anorganisationperiodicallyreviewstheinformationthatitstores.
Explainwhytheorganisationwouldseeperiodicreviewsasimportant.
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TURN OVER
CONTINUES OVER PAGE
INFORMATICS(SAMPLE) 18 Version2–April2016
SECTION C – continued
Question 1 (3marks)Basedonthesolutionspecificationanditsspecificrequirements,AWD’sgraphicdesignerhasdrawnauserflowdiagramoftheticket-purchasingtransaction.
B
A
Start of purchasing
B
A
Purchaser details
B
A
C
Complete transaction
● get date of visit
● get types and numbers of tickets
● display total cost
● get name and address
● get email address
a. Statethecondition(s)thatwouldcausethepathslabelledBtobefollowed. 1mark
b. Listthemainactionsthatthe‘Completetransaction’pageshouldcarryout. 2marks
SECTION C – Case study
Instructions for Section CPleaseremovetheinsertfromthecentreofthisbookduringreadingtime.Usethecasestudyprovidedintheinserttoanswerthequestionsinthissection.Answerallquestionsinthespacesprovided.
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SECTION C – continuedTURN OVER
Question 2 (8marks)AWD’sdatabasedesignerhascreatedasampleofthecustomerdatathatcouldbeobtainedfromthewebpages.Shehasplacedthedatainatablesothatitisinfirstnormalform.Shehasalsoidentifiedtheprimarykey.
Primarykey:Cust_ID+Ticket_Type
Cust_ID*
Visitor_Nam
e
Address
Suburb_Tow
n
State
Country
Postcode
Phone
Date_Attending
Ticket_Type*
Ticket_C
ost
Num
ber_of_tickets
213 Joy 1HappySt Kew VIC Australia 3101 (03)98530000 3/7/2016 Adult 30 1
213 Joy 1HappySt Kew VIC Australia 3101 (03)98530000 3/7/2016 Child 15 2
213 Joy 1HappySt Kew VIC Australia 3101 (03)98530000 3/7/2016 Conc 20 1
695 Xin 2MarkLn Lalor VIC Australia 3075 (03)64640101 21/8/2016 Family 80 1
a. Thedatabasedesignerseesthatthetableisnotinsecondnormalform.Explainwhynot. 2marks
b. Thedatabasedesignerbeginsstructuringthedataintosecondnormalform,asshownbelow.
Visitor(primarykey:Cust_ID)
Cust_ID* Visitor_Name Address Suburb_Town State Country Postcode Phone Date_Attending
i. Identifytheprimarykeyforthetable‘Tickettypes’andshowthecolumnheadingsforthistable. 4marks
Tickettypes(primarykey: )
ii. Showthecolumnheadingforthe‘Ticketpurchases’table. 2marks
Ticketpurchases(primarykey:Cust_ID+Ticket_Type)
INFORMATICS(SAMPLE) 20 Version2–April2016
SECTION C – continued
Question 3 (4marks)Thenewticket-purchasingsystemhastocollectpeople’snamesandemails.MichaelhasaskedAWD’sdesignerstoincludeabuilt-inautomatedemailsystemthatsendsoutadvertisingmaterialtoallpeopleinthedatabase.
a. Michael’srequestpresentsethicaldilemmasforthedesigners.
Identifyoneethicaldilemmaandexplainwhyitisanethicaldilemma. 3marks
b. Describehowthewebpage‘purchaserdetails’(fromtheuserflowdiagramonpage18)couldbemodifiedtoresolvetheethicaldilemmastatedinpart a. 1mark
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SECTION C – continuedTURN OVER
Question 4 (6marks)Onhisstudytour,Michaelsawthatmanyofthetouristvenueshevisitedusedcloudstorageastheirmainbackupfacility.ForUBPP’sticket-purchasingsystem,Michaelisconsideringalocalbackupsolutionbecausehewouldprefertohavefullcontroloverthedata.
a. StatetwoimportantadvantagestoUBPPofusingcloudstorageasitsbackupfacility. 2marks
Advantage1
Advantage2
b. Withregardtothedisposalofdata,explainhowhavingalocalbackupsolutiongivesMichaelmorecontroloverthedatathancloudstoragewould. 2marks
c. DescribeoneimportanttestthatUBPPshouldcarryouttomakesurethedatabackupaspectofitsdisasterrecoveryplanwillfunctioncorrectly,regardlessofwhetheritusescloudstorageorlocalstorage. 2marks
Question 5 (2marks)StatetwovariablesinSharon’shypothesisregardingpenguinnumbersatUBPP.
Variable1
Variable2
INFORMATICS(SAMPLE) 22 Version2–April2016
SECTION C – continued
Question 6 (3marks)BeforeSharonbeginsherinvestigation,shethinksitwouldbeagoodideatofindoutifherhypothesisisreasonable.ShedecidestocheckUBPP’slastannualreport,whichhassomebasicdataconcerningvisitorsandbreedingsuccess.ThisisshowninDataset1intheinsert.
BasedonDataset1,doesSharon’shypothesisseem reasonable?Justifyyouranswer.
Question 7 (1mark)Sharonisrequiredtoappropriatelyreferencethesourceofthedatasetthatsheisusinginheronlinereport.Dataset1wasfoundinUBPP’sannualreport,whichwaspublishedbyStyleMattersin2015.
Usingyourpreferredmethodofreferencingandtheinformationprovidedabove,writethereference forDataset1forSharon’sonlinereport.
Preferredreferencingmethod
ReferenceforthesourceofDataset1
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SECTION C – continuedTURN OVER
Question 8 (4marks)Dataset2intheinsertshowsasampleofthedatathatSharonobtainedfromheronlinestaffsurvey.Whenconstructingthesurvey,shewasinterestedinfindingoutwhattheimpactofhumansonthepenguinsmightbe.Shegaverespondentsthefollowinglisttochoosefrom:noiselevel(NL),cameraflashes(CF),litter(LT),physicalinterference(PI)andother(O).Respondentscouldalsosaythattheydidnotthinktherewasaproblem(NP).SharonalsothoughtitwouldbeusefultoknowwhereandforhowlongtherespondentshadworkedatUBPP.Shethoughtthatpeopleworkingincertainareasmightbebetterplacedthanotherstonoticeissues.Similarly,shethoughtthatthelongerpeoplehadworkedatUBPP,themorelikelytheywouldbetonoticeatrendofanykind.
DescribetwosoftwaretechniquesthatSharoncouldusetoidentifypatternswithinthesurvey’sdata.Inyourdescription,indicatethekindofpatterneachtechniquemighthelptofind.
Technique1
Technique2
INFORMATICS(SAMPLE) 24 Version2–April2016
SECTION C – Question 9–continued
Question 9 (8marks)Sharonhasidentifiedthekeytasks,timeallocationsanddependenciesassociatedwithhertwo-weekinvestigation.ShehastheselistedinaGanttchartandexpectstobegintheprojecton6June.SharonhasafulltrainingdayonthefirstThursdayanddoesnotusuallyworkonweekends.TheincompleteGanttchartisshownbelow.
Project: Investigation into penguin chick population decline June
Task Duration(days)
Predecessor M T W T F S S M T W T F S S M T W T F S S6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
A Design,prepareandtestonlinestaffsurvey.
1 none
B Conductonlinestaffsurvey.
3 A
C Acquiresecondarydata.
2 A
D Onlinestaffsurveycloses.
0 B
E Validate,organiseandmanipulatethedata.
2 C,D
F Generateideasanddesigntheonlinereport.
1 E
G Usesoftwaretodevelopvisualisations.
2 F
H Testandfixerrors.
0.5 G
I Presentvisualisationstotheboard.
0.5 H
J Projectfinishes. 0 I
Keytask duration dependency milestone ♦
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SECTION C – continuedTURN OVER
a. OntheincompleteGanttchartonpage24 i. drawalldurations 2marks ii. showalldependencies,asindicatedinthepredecessorcolumn 2marks iii. markallmilestones. 2marks
b. Duringherinvestigation,Sharonencounteredsomeunexpectedevents:• Therewereinsufficientresponsestotheonlinestaffsurvey,soitremainedopenedforan
extraday.• Monday,13June,wasapublicholidayandextracrowdswereexpected.Sharonwas
requiredtoworkintheticketofficeandreceptionfortheday,andcouldnotworkonherinvestigation.
AnnotateandadjustthecompletedGanttchartonpage24toreflectthesetwodisruptions.Inyourannotations,ensurethatthenewcompletiondateoftheprojectisclearlyidentified. 2marks
INFORMATICS(SAMPLE) 26 Version2–April2016
Question 10 (8marks)Sharonhascreatedtwomock-upstodepicttheappearanceofthefirstscreenofheronlinereport.
Design 1
Design 2
Penguin numbers are going down because of an increase in visitor numbers during winter. The greater number of visitors in winter is causing more disturbance amongthe penguins.
UDIPTULA BEACH PENGUIN PARK
UDIPTULA BEACH PENGUIN PARK
Penguin numbers are going down because of an increase in visitor numbers during winter. The greater number of visitors in winter is causing more disturbance amongthe penguins.
Source:SusanFlashman/Shutterstock.com(largepenguin)
SECTION C – Question 10–continued
Source:SusanFlashman/Shutterstock.com(largepenguin)
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SECTION C – continuedTURN OVER
a. StatetwocriteriaSharoncouldusetoselectherpreferreddesign. 2marks
Criterion1
Criterion2
b. Selectonedesignprinciplerelatedtotheappearanceofasolution.Explainyourchosendesignprinciple.YourexplanationshouldincludeoneexamplefromeachofDesign1andDesign2. 3marks
Designprinciple
Explanation
c. Selectonesoftwarefunctionfromthefollowing:
structurescreenlayout createlinks incorporateimages
Softwarefunction
ReferringspecificallytothemultimodalauthoringsoftwareyouusedinUnit4,Outcome1,explainhowSharonwouldusethesoftwarefunctionyouselectedindevelopingherfinalproduct. 3marks
INFORMATICS(SAMPLE) 28 Version2–April2016
END OF QUESTION AND ANSWER BOOK
Question 11 (3marks)Sharonhascompletedherinvestigation.
Recommendastrategythatshecouldusetoassesstheeffectivenessofherprojectplaninmanagingherworkpracticesduringtheinvestigation.
INFORMATICS (SAMPLE – ANSWERS)
© VCAA 2016 – Version 2 – April 2016
Answers to multiple-choice questions
Question Answer
1 A
2 D
3 D
4 C
5 C
6 D
7 C
8 D
9 D
10 B
11 A
12 B
13 B
14 B
15 A
16 C
17 A
18 A
19 A
20 D
TURN OVER
Version 2 – April 2016 1 INFORMATICS INSERT (SAMPLE)
Insert for Section C – Case studyPlease remove from the centre of this book during reading time.
Udiptula Beach Penguin Park Udiptula Beach is a popular tourist destination on the south-east Victorian coast. Each evening, around 2000 visitors go to the Udiptula Beach Penguin Park (UBPP) to see little penguins returning to their nests. The manager of UBPP is Michael Little.Over the past few years, the number of visitors has steadily increased and the queues have lengthened, so Michael is looking for quicker ways to admit visitors into the park. As part of his research, Michael went on a study tour of various tourist venues in Australia and the United States. At one particular tourist park in the United States, Michael was amazed at the speed with which visitors were admitted into the park. Before he left Australia, Michael had purchased tickets to this park over the internet and had them sent to his mobile phone. When he arrived there, a barcode on his mobile phone was scanned and he then entered the park.Michael would like to have a similar system at UBPP. He has hired Adelie Web Design (AWD), a website design business, to create the system. Michael and AWD have agreed on a solution specification. Four of the solution requirements relating to the transaction pages of the website are as follows:• The purchaser must be able to return to the home page, ‘About’ page, or ‘Contact’ page at any time before
completing the transaction. This will cancel the transaction.• For each page of the transaction, if the purchaser has not entered the required information, an error
message will appear and they will not be able to proceed to the next stage of the transaction.• The purchaser will be able to pay only via credit card. When the purchaser has entered their credit card
details and confirmed the purchase, the system should return to UBPP’s home page.• The purchaser will be sent the tickets via email.
Decline in number of penguin chicksSharon Chan is the head of Penguin Research at UBPP. While Michael is very pleased about the increasing number of visitors, Sharon has noticed that the number of penguin chicks produced each year has started to decline. She wonders if there is a link between the two trends.Sharon knows that the breeding season for penguins usually begins in winter, around June. She forms a hypothesis: ‘Penguin numbers are going down because of an increase in visitor numbers during winter. The greater number of visitors in winter is disturbing the penguins at an important time for breeding.’After discussing her concerns with Michael, Sharon is given approval to investigate her hypothesis. Michael gives her until 17 June to complete her investigation, in time for the next meeting of UBPP’s management board. He asks her to present a report to the board and to make it suitable for use online so that the public can be informed if Sharon’s hypothesis is correct. The deadline gives Sharon a couple of days to prepare her investigation and then she will have two weeks to complete it.While preparing her investigation, Sharon discusses her hypothesis with some colleagues. One colleague agrees that growing visitor numbers are a concern, but not because of the disturbance that visitors create. He thinks the problem is the increasing amount of litter the visitors bring with them. Hearing this, Sharon thinks a survey of all staff and volunteers is needed to find out what other factors could explain a decline in penguin chick numbers. Since UBPP employs around 200 people and has many volunteers helping with various activities, Sharon decides to use an online survey to collect the opinions of everyone who works at UBPP.
INFORMATICS INSERT (SAMPLE) 2 Version 2 – April 2016
Data set 1 – Two charts presented in UBPP’s last annual report
900000800000700000600000500000number
per year 400000300000200000100000
0
2000
2001
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year
2000
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year
Visitors to Udiptula Beach Penguin Park
Udiptula Beach Penguin Park breeding success
2.01.81.61.41.21.00.80.60.40.2
0
average numberof chicks raised
per breeding pair
Version 2 – April 2016 3 INFORMATICS INSERT (SAMPLE)
END OF INSERT
Data set 2 – A sample taken from staff and volunteer survey responses
First name Fam. name Volunteer? Dept. now Dept. 5 yrs ago Factor Other
Wie Mu no ranger same NP
Long Nguyen yes science same LT
Kesia Bah no catering same NL
Hung Yi no patrol same NL
Shelly Cooper yes ranger same CF
Naomi Martin no maintenance catering NL
Constance Evans yes ranger same O global warming
Henry Bian no ranger admin NL
Yo An no admin same NL
Teoh Wei no admin same NL
Millicent Wright no science same O pollution
Eddie Wright no science admin LT
Kaoru Tsukamoto yes ranger admin CF
Judith Wood no science same LT
Louisa Lee no admin same CF
Clare Johnson no admin patrol LT