Cambridge A Level Applied Information and Communication Technology 9713 — 2009 May/June Paper 3 · Variant 1

This document consists of 14 printed pages and 2 blank pages. IB09 06_9713_03/3RP © UCLES 2009 [Turn over *1260945812* UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Level APPLIED INFORMATION AND COMMUNICATION TECHNOLOGY 9713/03 Paper 3 May/June 2009 1 hour 15 minutes Candidates answer on the Question Paper. No additional materials are required READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. Do not use staples, paper clips, highlighters, glue or correction fluid. You may use a pencil for any diagrams, graphs or rough working. DO NOT WRITE IN ANY BARCODES Answer all questions. The number of marks is given in brackets [ ] at the end of each question or part question. The businesses described in this paper are entirely fictitious.

2 © UCLES 2009 9713/03/M/J/09 Scenario 1 Questions 1 to 4 Rock-ICT is a company that sells CDs, DVDs and books through shops in several cities. The company has done some market research into the possibility of selling items online. A systems analyst has been brought in to help with this development. A project management team has been set up to monitor the system before and after it comes into operation.

3 © UCLES 2009 9713/03/M/J/09 [Turn over For Examiner's Use 1 (a) Describe how ICT would have been used in the market research which Rock-ICT carried out. [5] (b) The systems analyst started the design stage following feedback from the market research. Describe three of the tasks done at the design stage apart from designing the screen layouts. [6]

4 © UCLES 2009 9713/03/M/J/09 For Examiner's Use (c) The new system will not replace the old shop based system entirely. Describe two appropriate implementation strategies for the new and old systems to run together and explain your choices. [4]

5 © UCLES 2009 9713/03/M/J/09 [Turn over For Examiner's Use 2 (a) Describe the features that a customer would expect to use on Rock-ICT’s website. [6] (b) Describe how the company can ensure that customers can obtain help with their online order, if they have a problem. [4]

6 © UCLES 2009 9713/03/M/J/09 For Examiner's Use 3 There are social implications in providing online shopping systems. Describe three negative effects. [6] 4 Describe how project management software can be used to assist the team in meeting the project targets. [4]

7 © UCLES 2009 9713/03/M/J/09 [Turn over Scenario 2 Questions 5 to 7 Karpartco is a manufacturing company which has eight factories who make parts for the motor industry. They often need to develop new components and are sometimes asked to make one-off items. They frequently use video conferencing to keep Karpartco factories and suppliers in contact with each other. Karpartco uses LANs within each of its factories. Each factory is connected to the other seven Karpartco factories using a WAN.

8 © UCLES 2009 9713/03/M/J/09 For Examiner's Use 5 (a) 3D inkjet printers can be used to produce prototype plastic working models as part of CAD/CAM. (i) Describe how these models are produced by the printer. [2] (ii) Explain why it is useful to produce these prototype models. [2] (b) Name two other output devices used in CAD and explain why they are used. [4]

9 © UCLES 2009 9713/03/M/J/09 [Turn over For Examiner's Use 6 (a) Describe the advantages to the company of using video conferencing. [2] (b) The use of video conferencing has increased rapidly in the last few years. Describe the recent developments that have led to this increase. [5]

10 © UCLES 2009 9713/03/M/J/09 For Examiner's Use 7 Describe how the following components are used in Karpartco’s networking system: (i) hubs [2] (ii) routers [2] (iii) switches [2] (iv) telnet. [2]

11 © UCLES 2009 9713/03/M/J/09 [Turn over Scenario 3 Questions 8 to 10 BrazilParcel is a delivery company which uses an expert system to advise on the routes taken by its delivery vehicles. Other software is used to: • help advertise the business • calculate payrolls • assist in general administration. BrazilParcel use an intranet to allow internal communications, but customers are able to access company information from external networks via the internet.

12 © UCLES 2009 9713/03/M/J/09 For Examiner's Use 8 (a) Describe the advantages to BrazilParcel of using an expert system. [2] (b) Describe how the expert system would be set up and maintained. [5]

13 © UCLES 2009 9713/03/M/J/09 [Turn over For Examiner's Use 9 (a) Describe ways in which BrazilParcel could advertise its business using ICT. [4] (b) Describe how mail merging could be used to enable the company to send personalised communications to its customers. [4]

14 © UCLES 2009 9713/03/M/J/09 For Examiner's Use 10 (a) Apart from security aspects, explain why BrazilParcel uses an intranet for some communications. [2] (b) Describe the software security which guards against hacking and unwanted communication from external sources. [5]

16 Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. University of Cambridge International Examinations is part of the Cambridge Assessment Group. Cambridge Assessment is the brand name of University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge. 9713/03/M/J/09 BLANK PAGE

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS GCE Advanced Subsidiary Level and GCE Advanced Level MARK SCHEME for the May/June 2009 question paper for the guidance of teachers 9713 APPLIED INFORMATION & COMMUNICATION TECHNOLOGY 9713/03 Paper 3 (Written B), maximum raw mark 80 This mark scheme is published as an aid to teachers and candidates, to indicate the requirements of the examination. It shows the basis on which Examiners were instructed to award marks. It does not indicate the details of the discussions that took place at an Examiners’ meeting before marking began, which would have considered the acceptability of alternative answers. Mark schemes must be read in conjunction with the question papers and the report on the examination. • CIE will not enter into discussions or correspondence in connection with these mark schemes. CIE is publishing the mark schemes for the May/June 2009 question papers for most IGCSE, GCE Advanced Level and Advanced Subsidiary Level syllabuses and some Ordinary Level syllabuses.

Page 2 Mark Scheme: Teachers’ version Syllabus Paper GCE A/AS LEVEL – May/June 2009 9713 03 © UCLES 2009 1 (a) Any five points from: send out questionnaires/surveys to target groups carry out personal interviewing in shop/street carry out telephone/email surveys of target groups … using a computer based script web sites/pop-ups – ask views/collect information online monitor sales of items from shops research results – competitors/academics/consumer trends target groups log on to discussion board (i.e. forum) to give their opinions input results from questionnaires using ICT e.g. OMR reader store all the information on a database … … and (later) analyse the information produce a report showing results of surveys Do not penalise more than once for not using the scenario [5] (b) One mark for each design item + one mark for description: specify what hardware is needed… … volumes of data handled will determine the choice of hardware specify what software is needed… … web shop features will determine the choice of software design the validation rules… … form of input and file structures will determine validation tests design the file structures… … will be determined by what is stored, type of data, etc. design of DFD… … showing the flow of data through the system design report layouts… … e.g. customer receipt, stock report design backup system… … routines/hardware required [6] (c) One mark for describing each strategy + one mark for reason related to the scenario parallel running… … to enable both systems to operate together and integrate both/there is a back-up system if the new one fails pilot scheme… … this enables one area/shops change to new scheme/until new system proven phased implementation… … (one area is changed over and) gradually spreads throughout the company [4]

Page 3 Mark Scheme: Teachers’ version Syllabus Paper GCE A/AS LEVEL – May/June 2009 9713 03 © UCLES 2009 2 (a) Any six points that relate to a music web site from: shopping basket/list of purchases secure buying when using a credit card “when customers bought X, they also bought Y” facility search facility for artist/title/genre e-voucher purchase/gift option for someone else wish list suggestions for user based on previous purchases order history/ability to track status of orders delivery options ability to listen to tracks/see video clips reviews of albums/films/books and listing of tracks recognise customer as soon as they log on/saved customer details/customised pages option to select different languages/currency conversion links to other music sites/genres news page e.g. new releases [6] (b) Any four points from: ability to send an email with query frequently answered questions (FAQ) section online help chat/email system telephone call centre operators provided with a script to assist customer drop down boxes with helpful hints/automatic advice help wizards company contact details for snail mail/to visit [4] 3 Any three with the identification and the expansion from: worsens the digital divide… due to some people not having ICT resources changing job patterns in high street shops… fewer customers on high street/more ICT based jobs/fewer unskilled jobs identity theft… deleting/amending/distributing personal details open to computer fraud… money taken from credit cards/goods intercepted from online order details/hacking into systems more addictive… easy to spend too much lack of socialising/exercise/try before you buy… plus expansion [6] 4 Any four points from: (Gannt charts) show all stages/tasks to be done (Gannt charts) show the critical paths(s) (Gannt charts) show key project milestones (Gannt charts) also show: – number of days to do tasks – progress on tasks as % complete – progress versus expected time to do work – how tasks are all linked together – how financial targets are being met allows emailing of tasks/project information to others automatically/post to website or download project information allows use of PERT charts allows use of resource graphs [4]

Page 4 Mark Scheme: Teachers’ version Syllabus Paper GCE A/AS LEVEL – May/June 2009 9713 03 © UCLES 2009 5 (a) (i) Any two points from: thin layer of powder sprayed from ink jet spray head machine repeats process building up layer after layer to form object it uses slicing (tomographic) technology places a binder/glue during the layering process can use plaster or ceramic in powder form [2] (ii) can handle/see components (before expensive tooling up) less expensive than making a model by conventional methods can test model (before expensive tooling up) [2] (b) One mark for device + one mark for reason: graph plotter – produce large scale drawings on paper – very accurate drawings on paper to any scale large screen – to allow development of new designs/products – allows enlargement of components – allows use of light pens (etc.) second monitor – to show commands [4] 6 (a) Any two points from: computer files can be updated in real time can be set up at short notice to overcome crises regular meetings become viable initial hardware costs are offset by savings in travel costs safety aspects – no risk of kidnapping/terrorism no travelling time required away from office hence more productive [2] (b) Any five points from: increase in terrorist attacks has driven the need for video conferencing faster communication/broadband connections wider availability of high speed links companies have tended to become global faster processors in computers now allow for jerk-free images multi-screen technology general improvements in technology has lowered costs/improved image quality [5]

Page 5 Mark Scheme: Teachers’ version Syllabus Paper GCE A/AS LEVEL – May/June 2009 9713 03 © UCLES 2009 7 (i) hubs used to connect computers to server/computer not very efficient network device sends data to all linked devices may amplify received signal works at MAC level [2] (ii) routers gateway device links LANs to make a WAN includes a firewall directs packets according to their IP address stores list of connected devices redirects packets to correct switch/hub translates protocols (between networks) [2] (iii) switches an advancement on a hub directs the data stream only to the addressed device prevents congestion on segment of network uses a list of device addresses redirects ‘ack’ packet directly to sending computer works at MAC level (iv) telnet is a protocol (internet) used to gain access to another users computer/remote access to server used to transfer/access data requires a password login id lacks security uses TCP/IP protocol (as a lower level) [2] 8 (a) Any two points from: system produces most efficient route company can save fuel/less wear and tear on vehicles company will know nearest driver in case of urgent pickup drivers save time in planning journey/driving hours able to give customers better predicted delivery times can be uploaded to a SatNav [2] (b) Any five points from: gather information from maps, drivers, etc. key information in to the knowledge base knowledge base contains information about routes (e.g. distance between locations) create the rules base which stores relationships between locations etc. create the inference engine which does the logic processing determine the input data/method required test the system with known current routes GPS route data added to knowledge base develop validation rules determine the output/means required when new or better routes found, update the system/upload new road information e.g. roadworks feedback on success of route after each journey [5]

Page 6 Mark Scheme: Teachers’ version Syllabus Paper GCE A/AS LEVEL – May/June 2009 9713 03 © UCLES 2009 9 (a) Any four points from: set up a web site to promote the business send emails (automatically) to customer base producing hard copy advertisements using DTP advertising on large screen display e.g. football ground live display popups on web sites advertising/links on other web sites/Pixel Advertising buy email distribution lists producing podcasts create blogs/twitters production of adverts for (cable/Digital) tv ... [4] (b) Any four points from: to target appropriate customers create standard document using fields from customer database using customer data base as the data source query the data base for appropriate customers use of mail merge wizards when merged each document is personal to that customer also use mail merge facilities to address envelopes/create labels [4] 10 (a) Any two points from: information is specific to company that are not in the public domain e.g. sales figures, social events, company news announcement personnel directory with telephone numbers, email address stop staff using the internet for their own purposes control pages uploaded/downloaded on server access to templates/common files book video conferencing suite/meeting rooms [2] (b) Any five points from: firewalls to monitor/stop unauthorised traffic encryption of sensitive data to fulfil legal requirements user ids/password/biometric device to establish user access rights anti-spam software uses filtering to automatically delete junk mail/reduce unnecessary traffic on network anti pop up software denies unwanted sites anti-spyware software stopping cookies/keylogging anti-adware software to stop unwanted material Note: mention of internet security suite merits just one mark unless broken down into components [5]