1. The document provides instructions for a 2-hour exam on information and communication technology. It details what to include on submitted work, answers required, and the marking scheme. 2. The exam contains questions testing knowledge of input/output devices, data storage methods, network types, security techniques, system design, implementation methods, testing strategies, and internet technologies like blogs and wikis. 3. Answers are to be provided on the question paper and additional materials are not permitted. Work must be fastened securely together after the exam and submitted for marking.

1. INFORMATION ANDCOMMUNICATION TECHNOLOGY
Paper1
2 hours
Candidatesansweronthe QuestionPaper.
No AdditionalMaterialsare required.
READ THESE INSTRUCTIONSFIRST
Write your Centre number,candidate numberandname onall the workyou handin.Write indark
blue or blackpen.You mayuse a softpencil foranydiagrams,graphsor rough working.Donot use
staples,paperclips,highlighters,glue orcorrectionfluid.
No markswill be awardedforusingbrandnamesof software packagesor hardware.
Answerall questions.
At the endof the examination,fastenall yourworksecurelytogether.The numberof marksisgiven
inbrackets[ ] at the endof each questionor partquestion.
1 Name the outputdevicesA,B,C and D usingthe wordsfrom the list.
AB
CD
BuzzerDot matrix printerDVDRAMLaser printer
MonitorMultimediaprojectorPendriveSpeakers
A
B
C
D [4]
2 Ringtwoitemswhich are usedfor data storage.
DVDROM Graph plotterGraphicstablet Magnetictape ProjectorTrackerball
[2]
3 TickTRUE or FALSEnextto eachof these statements.
TRUE FALSE

2. A commandline interface isauserfriendlymethodof communicationwithacomputer
A desktopcomputerisnoteasilycarriedaround A joystickisan example of hardware Output
devicesare examplesof software
[4]
4 Draw five linesonthe diagramtomatch the inputdevice toitsmostappropriate use.
Inputdevice Use
Bar code reader Inputtingvoiceoversintopresentationsoftware
Microphone Selectingoptionsfromalist
Mouse InputtingaPIN at an ATM
Numerickeypad Inputtingdatafrom a school register
Optical markreader Inputtingcode numbersfromproductsata POS terminal
[5]
5 Complete eachsentence belowusingone itemfromthe list.
Bluetooth Anintranet A router
A WAN A WLAN
(a)
isa networkconnectingseveral LANs.
(b)
isa networkwithverylittlecabling.
(c)
can allownetworkedcomputerstoconnecttothe internet.
(d)
isusedto connecttwo mobile devicestoeachother.
[4]
6 Tickthree reasonswhyoptical mediamaybe usedto store data ratherthan magneticmedia.
It iseasiertotransferdata to othercomputersusingoptical mediaratherthanfixedharddiscs
Optical mediaare cheapertobuy than magneticmedia A CD storesmore data than a fixedharddisk
Data is easiertoencrypton optical media Optical mediaprovide quickeraccesstoindividual data
itemsthanmagnetictape CD ROMs are easiertoupdate than magneticmedia

3. [3]
7 A floorturtle canuse the followinginstructions:
INSTRUCTION MEANING
FORWARDn Move n mm forward
BACKWARDn Move n mm backward
LEFT t Turn lefttdegrees
RIGHT t Turn rightt degrees
PENUP Liftthe pen
PENDOWN Lowerthe pen
REPEAT n Repeatthe followinginstructionsntimes
END REPEAT Finishthe REPEATloop
60 mm
Start
45°
Complete the setof instructionstodraw thisshape byfillinginthe blanklines.
PEN DOWN
90
REPEAT
FORWARD
45
6
8 Tickthree developmentswhichhave arisenbecauseof mobilephones.
Sendingemails Textmessaging Sendingaphotographassoonas it has beentaken Usingthe
internet Makinga phone call whereveryouare Leavingmessageswhensomebodyisnotavailable
[3]
9 TickTRUE or FALSEnextto eachstatementtoindicate whetheritisanexample of fraudulentuse
of the internet.
TRUE FALSE Blogging Bookinga cinematicket Pharming Phishing

4. [4]
10 A hospital usescomputerstomonitorpatients’conditions.
(a) Name three physical variablesthatcouldbe monitored.
1
2
3 [3]
(b) Explainwhycomputerscannotreadphysical variablesdirectly.
[2]
(c) Tickthree advantagesof usinga computerratherthan a nurse to monitora patient’scondition.
Nursesalwaysmake mistakes
Computerscanmonitorcontinuouslywithouttakingbreaks
Computerscanmeasure more thanone variable atthe same time
Computerscantake readingsmore frequently
Nursescannottake readingsregularly Computerscananalyse the results
[3]
(d) The nurseswill needaprintedrecordof the computerreadingsastheyare taken.Theyhave
decidedtouse a graph plotter.Give tworeasonswhytheyhave chosenagraph plotter.
1
2
[2]
(e) Whensurgeonsoperate onpatientstheysometimesneedtouse computers.Give tworeasons
whytheywoulduse a lightpenasan inputdevice.
1
2
[2]
11 A DVD shopownerwantsto use a spreadsheettocalculate hisprofits.Thisispartof a
spreadsheethe coulduse.
(a) Give the cell referenceof the cell thatcontains$18.

5. [1]
(b) Give the cell reference of acell thatcontainsa label.
[1]
(c) Write downthe formulathathas beenusedtocalculate the value incell D4.
[1]
(d) The Total profitpertitle iscalculatedbymultiplyingthe ProfitperDVDbythe Numberinstock.
Write downthe formulathat shouldgoincell F2.
[1]
(e) The ownerwantsto entera similarformulatocalculate the Total profitpertitle incellsF3to F5.
Write downthe name of the technique he coulduse todo this.
[1]
(f) How manycolumnsare showninthe spreadsheet?
[1]
A B C D E F
1 DVDtitle
Cost price
SellingPrice
ProfitperDVD
Numberinstock
Total profitpertitle
2 Alice inWonderland$21 $24 $3 12
3 Toy Story2 $18 $24 $6 14
4 Howto train yourdragon $15 $20 $5 10
5 AlphaandOmega$22 $31 $9 5
6
7 Total profitof the fourtitles
(g) The ownerwantsto findouthistotal profitfor these fourtitlesusingaformula.Write downthe
formulahe shoulduse.
[1]
(h) Give the reference of the mostappropriate cell toinsertthisformula.
[1]

6. (i) If the ownerchangesthe Sellingprice of Alice inWonderlandto$28 whichotherthree cells
wouldnowchange as a result?
[3]
12 Ali andhis familyhave three computersintheirhome.He wantstoconnectthe computersintoa
networkwhichwill have accesstothe internet.
(a) Give twoadvantagesof doingthis.
1
2
[2]
(b) Give two disadvantagesof doingthis.
1
2
[2]
13 The use of computernetworkscanleadto problemsof keepingdatasecure andconfidential.Two
methods of overcomingthisare the use of authenticationtechniquesanddataencryption. (a) Tick
twoauthenticationtechniques.
Firewall Passwords Biometrics Anintranet
[2]
(b) Tick twofeaturesof data encryption.
It makesitimpossibletoaccesscomputersystems Onlyauthoriseduserscanunderstandthe data A
keyisneededtodecryptdata It preventsviruses
[2]
14 Peterownsa small company.He wishestoreplace the existingcomputerisedsystemwithanew
one.He hasemployedasystemsanalyst,Sarbjit,toplanthis.
(a) Sarbjitwishestocollectinformationaboutthe existingsystemusingavarietyof methods.Tick
TRUE or FALSE to indicate whetherthe followingstatementsgiveappropriatereasonswhythe
methodwouldbe used.
TRUE FALSE

7. Examiningdocumentshelpstoidentifythe inputsandoutputsof the system
A questionnaire makesthe workersfeel good An interviewercanask questionsbasedonthe
previousresponse
Observingthe currentsystemhelpstoidentifyanyproblemswiththe system
[4]
(b) Sarbjitwill needtodesignthe filestructure of the new system.Tickfouritemswhichwouldneed
to be includedinthisdesign.
Fieldnames Screen layout Fieldtypes Keyfield Fieldlengths Userneeds Systemspecification
Inputforms
[4]
15 Aftera systemisdesigneditwill be implemented.Foreachof the followingsituations,write
downthe most appropriate methodof implementation.
(a) A small companywithverylittle moneytospare
(b) A companywhere the mostimportantconsiderationisnottointerruptproduction
(c) A companywhichonlywantsa small scale implementationtobeginwith
[3]
16 Aftera systemhasbeenimplementeditneedstobe tested.Describe twotestingstrategiesand
state a reasonwhyeachis needed.
Strategy1
Reason1
Strategy2
Reason2
[4]
17 Monica has purchaseda laptopcomputer.Describe three additional thingsshe wouldneedin
orderto sendan email.
1
2

8. 3
[3]
18 A bankusesa chipand pinsystematits ATMs. A customerwishingtowithdraw cashinsertstheir
card. The ATMchecksto see if the card isvalidandif so asks the customerto type theirPIN.Put the
followingstepsinorderusingthe numbers2to 8 fora customerwhose transactionissuccessful.
Step1 has alreadybeendone foryou.
The customertypesinthe PIN 1
If theyare the same the customerisaskedwhichservice isrequired
The customer’saccountis checkedtosee if it has sufficientfunds
The amount ischeckedagainstthe card limit
The typedPIN is comparedwiththe PIN storedinthe chip
The customerselectsrequiredservice (cash)
If there are sufficientfundsandthe amountiswithinthe cardlimitthe requirednotesare issued.
The customeris askedhowmuchmoneytheywantto withdraw
[7]
19 Buildingstructuresare oftenmodelledusingcomputers.Give three reasonswhymodelsare used
for thispurpose ratherthanthe real thing.
1
2
3
[3]
20 Describe three waystoevaluate the reliabilityof informationfoundonawebsite.
1
2
3
[3]
21 The internethasgivenrise toa numberof developments,includingblogsandwikis.
(a) Give twofeaturesof a blog.
1
2
[2]

9. (b) Give two featuresof awiki.
1
2
[2]
16
Permissiontoreproduce itemswherethird-partyownedmaterial protectedbycopyrightisincluded
has beensoughtandclearedwhere possible.Everyreasonable efforthasbeenmade bythe
publisher(UCLES) totrace copyrightholders,butif anyitemsrequiringclearance have unwittingly
beenincluded,the publisherwill be pleasedtomake amendsatthe earliestpossible opportunity.
Universityof Cambridge International Examinationsispartof the Cambridge AssessmentGroup.
Cambridge Assessmentisthe brandname of Universityof Cambridge Local ExaminationsSyndicate
(UCLES),whichisitself adepartmentof the Universityof Cambridge.