vce computing: informatics 2016-2019 - specifications and sample

© 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.

http://www.vcaa.vic.edu.au/Pages/aboutus/policies/policy-copyright.aspx

INFORMATICS (SPECIFICATIONS)


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.

http://www.vcaa.vic.edu.au/Pages/aboutus/policies/policy-copyright.aspx

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



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


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



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.


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


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.


SECTION B – continuedTURN OVER

a. StateoneadvantageofeachdesigninmeetingKip’srequirements. 2marks

DesignA

DesignB

b. WhichdesignwouldbebetteratgeneratingquantitativedataaboutKip’ssales?Justifyyouranswer. 2marks



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



a. State,inwords,themostlikelydegreeorcardinalityoftherelationshipbetweenDriverandTrain. 1mark

b. TheERdiagramonpage10usesChennotation. ThesectionoftheERdiagramshowingtheentitiesStationandTrack istoberedrawnusingCrow’sfootnotation.

CompletethefollowingsectionoftheERdiagramusingCrow’sfootnotation.Showthe:• relationshipbetweenthetwoentities• attributesofeachentity,clearlyindicatingwhicharethekeyattributes• datatypeofeachattribute. 5marks

Station Track


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



CONTINUES OVER PAGE



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



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


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.


TURN OVER

CONTINUES OVER PAGE


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.


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)



Question 3 (4marks)Thenewticket-purchasingsystemhastocollectpeople’snamesandemails.MichaelhasaskedAWD’sdesignerstoincludeabuilt-inautomatedemailsystemthatsendsoutadvertisingmaterialtoallpeopleinthedatabase.

a. Michael’srequestpresentsethicaldilemmasforthedesigners.

Identifyoneethicaldilemmaandexplainwhyitisanethicaldilemma. 3marks

b. Describehowthewebpage‘purchaserdetails’(fromtheuserflowdiagramonpage18)couldbemodifiedtoresolvetheethicaldilemmastatedinpart a. 1mark



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



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



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


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 ♦



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


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)



a. StatetwocriteriaSharoncouldusetoselectherpreferreddesign. 2marks

Criterion1

Criterion2

b. Selectonedesignprinciplerelatedtotheappearanceofasolution.Explainyourchosendesignprinciple.YourexplanationshouldincludeoneexamplefromeachofDesign1andDesign2. 3marks

Designprinciple

Explanation

c. Selectonesoftwarefunctionfromthefollowing:

structurescreenlayout createlinks incorporateimages

Softwarefunction

ReferringspecificallytothemultimodalauthoringsoftwareyouusedinUnit4,Outcome1,explainhowSharonwouldusethesoftwarefunctionyouselectedindevelopingherfinalproduct. 3marks


END OF QUESTION AND ANSWER BOOK

Question 11 (3marks)Sharonhascompletedherinvestigation.

Recommendastrategythatshecouldusetoassesstheeffectivenessofherprojectplaninmanagingherworkpracticesduringtheinvestigation.

INFORMATICS (SAMPLE – ANSWERS)


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

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year

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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

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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

vce computing: informatics 2016-2019 - specifications and sample

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