Software Development trial exam answer book 2007
Contents
1. Question 2 The diagram below represents what information systems engineering model analyse develop implement evaluate software development life cycle model waterfall model agile model RAD model SOP Answer is B Tip e The ability to know and understand the different models used in systems engineering is a new component of the study design Students should be able to differentiate between the different models and use correct terminology to describe them SECTION A continued Copyright Insight Publications 2007 Question 3 Read the following description The function of this hardware is to identify and manage data traffic into a network by preventing unwanted data from entering the network and to control outgoing traffic from a network by stopping unauthorised use of the network from within This is designed to protect the integrity of the information system What hardware is described here A router B switch C firewall D hub Answer is C Tip e There is a renewed focus on security in the Software Development study design and students must have a clear understanding of the functions and characteristics of not only general software and hardware but also specific security devices This question tests that area of knowledge Question 4 What type of data would be stored in a variable called Total Cost A numeric B real C currency D integer Answer is C Tip e Student2. Insight Publications INSIGHT Trial Exam Paper 2007 SOFTWARE DEVELOPMENT Written examination Answer book This book presents e correct sample answers e tips and mark allocations This trial examination produced by Insight Publications is NOT an official VCAA paper for the 2007 Software Development written examination This examination paper is licensed to be printed photocopied or placed on the school intranet and used only within the confines of the purchasing school for examining their students No trial examination or part thereof may be issued or passed on to any other party including other schools practising or non practising teachers tutors parents websites or publishing agencies without the written consent of Insight Publications Copyright Insight Publications 2007 Section A Multiple choice questions Question 1 A marketing firm uses spreadsheet analysis to determine the best pricing for a new product by posing what if scenarios What type of information system is the marketing company using A transaction processing system B management information system C expert system D decision support system Answer is D Tip e This is in a similar vein to the first question on last year s Information Systems exam and is still the first knowledge point in the new study design This question covers basic knowledge of types of information systems which all students should be able to clearly recognize
3. system in order to exploit it Answer is C Tip e Students should be aware of threats to data and security in their many forms These include viruses malicious software and other deliberate acts Denial of service attacks are one form of such threats Question 8 Which combination of modelling tools would you use to show the physical components of an information system A context diagram and DFD B system flow chart and context diagram C system flow chart and DFD D structure chart and system flow chart Answer is D Tip e Students should know which tools model the logical design DFD and context diagram and which tools model the physical design structure chart and system flow chart of a systerm Both types of design are explicitly referred to in the study design SECTION A continued Copyright Insight Publications 2007 Question 9 Which of the following data acquisition methods will locate secondary data sources A observation B researching similar systems C surveys D interviews Answer is B Tip e Students are still required to understand the methods used to acquire data in the analysis phase and to evaluate the usefulness of that data They should be able to differentiate between primary and secondary data sources Question 10 There are seven phases of software development The diagram below is missing two of them the missing two are wo bo testing and coding documenting and debugging tes
4. and or effort Question 13 A program structure that allows for the testing of a condition before different courses of action are executed is a A sequence B selection C iteration D subroutine Answer is B Tip e Students should have a good understanding of the constructs of programming languages A selection structure is an if statement Question 14 A supermarket is looking to update its backup processes Currently the supermarket s entire server is backed up to a RAID The supermarket server s capacity is 80 GB and approximately 10 MB of data is added to the server per day The supermarket owner wants to invest in cost effective secondary storage media that can be stored offsite Which of the following options would best meet the organisation s needs A DVD R B CD R C magnetic tape D CD RW Answer is C Tip e Students should have an understanding of storage media and backup options for businesses They should be able to read this mini case study and be able to determine that magnetic tape is the best option because of the size of the required backup and the fact that the owner wants to be cost effective SECTION A continued Copyright Insight Publications 2007 Question 15 A touch screen terminal has been set up by a rural tourist board to support tourism in their area What is the best form of user documentation for the tourists that will use this technology A user manual B quick s
5. are based security measure A smart cards B activity logs C usernames and passwords D encryption Answer is Tip e Students should have a sound understanding of the options available for protecting data They should know which are classified as software based security measures as opposed to physical security measures A smart card is considered to be a physical security measure Copyright Insight Publications 2007 Section B Short answer questions Question 1 Consider this list of terms relating to networks e peer to peer e ring e LAN e bus e client server e intranet For each of the following statements select the term from the list above which it describes i This represents a network where all nodes are geographically located together ii This describes a network where each node is equal iii This network is supported by a single cable to which all nodes are connected Answer i LAN ii peer to peer iii bus 3 marks Mark allocation e mark for each answer Tip e Despite being a regular feature of the Information Systems course and now the Software Development course students often find it difficult to differentiate the different terms relating to network types topologies and architecture This question is designed to basic knowledge of this area Question 2 For each of the following types of threats to data and security give one example of something that would constitute that type of threat Answ
6. cle This screen does not provide enough information to make any further decisions ii Include sufficient detail about whether the car has sufficient fines owing that it can be towed or whether police need to be notified about something more serious such as a stolen vehicle 1 1 2 marks Mark allocation e mark for the fault and 1 mark for how this can be corrected Tip e Interface design has taken greater prominence in the last two Information Systems exams and features specifically in the new study design Students need to be able to identify design flaws in user interfaces Question 5 Samantha has been working on the program and has been having trouble getting one part of it to function She has been trawling the developer sites on the Internet and found a small shareware program that she is going to incorporate into her program to fix it up Discuss the potential issues that might arise from this course of action and discuss Samantha s legal and ethical obligations as a programmer Answer Samantha has an ethical obligation to provide the council with the best program possible and ensure that all bugs are removed from it Samantha also has a legal obligation to ensure that there are no malicious elements to her software and that she has met all requirements in relation to copyright and privacy laws By using a program that she s located on the web Samantha cannot be 100 sure that the code is free from malicious software or a
7. d the tools used in project management and how to decipher the information held within them Question 10 The Warringal Council local laws officers have decided to trial one handheld in the field for a month before all of their local laws officers begin to use them a What type of changeover method has the Warringal Council decided to use Answer Pilot 1 mark Mark allocation e mark for correctly identification of method b Provide one other strategy the council could have used to change over to the new system Explain in detail how the strategy would have worked and why you think it was not chosen Answer One of the possible explanations of a strategy could be given The council could have implemented a direct changeover by having all of the local laws officers start using the new handheld devices at the same time However if there were any problem with the handheld devices communicating with the main server then the council would not be able to issue any infringement notices until the problem was fixed A direct changeover strategy would provide no opportunity to iron out any problems OR The council could have used a parallel changeover strategy by having the local laws officers issue both an electronic and a paper based infringement notice until the system has been determined to be accurate and fully operational However this is a great waste of time and effort Every infringement notice would require twice the work t
8. e one advantage of providing an online help option Answer The local laws officers would not have to carry around a large and heavy user guide with them everywhere they go Instead it will all be located within the unit mark Mark allocation e mark for identifying a disadvantage c What other piece of user documentation would the local laws officers need to assist them with the new system Answer A technical guide to using the handheld device 1 mark Mark allocation e mark for identifying user documentation SECTION C continued Copyright Insight Publications 2007 25 d Suggest a suitable training strategy for the users of the new Infringement Notice software Answer The users that require training are the local laws officers They need to learn how to use the handheld devices and also how to use the software developed for them Training in the use of the handhelds should be done by a representative of the manufacturer while the training in the use of the software should be done by a representative of the developer The training should take a couple of days with follow up provided once the local laws officers are out on the job The training should take place on a normal work day in the work environment with practical application out in the field also 5 marks Mark allocation Tip 1 mark for each element of the training strategy that is identified User documentation and the training of staff are key knowled
9. ear s Information Systems exam required students to complete a context diagram based on information provided by a DFD They were also required to answer basic questions about the DFD The questions were not part of the case study section but rather were included in the the short answer questions This type of question traditionally resides in the case study and should be of sufficient complexity to test students abilities in interpreting and representing a logical design SECTION C continued Copyright Insight Publications 2007 16 Question 3 Two different brands of handheld computers that meet the requirements of the Warringal council have been sourced from specialty dealers Both of them have features that allow wireless connectivity stylus writing and connection to EFTPOS facilities They have built in cameras can function as telephones and are able to print infringement notices Deciding between them is difficult The specifications are as follows ROM wir Bluetooth Yes Yes Cellular GSM GPRS WCDMA GSM GPRS EDGE UMTS HSDPA wireless Resolution 240 x 320 Size 11 3cm x 5 8 em Battery power 1350 mAh The following features would be more useful to officers in the field than some of the others e battery life e screen resolution e camera quality Using the table above to make a comparison and taking into consideration the features listed above state which of the two models would be best for the Warringal cou
10. er Deliberate action Examples would include malicious software such as viruses system scanning hacking and denial of service attacks Accidental action Examples would include human error through incorrect data entry poor use of password protection incorrect user behaviour and hardware malfunction Technical failure Examples would include power loss power surge and natural disaster 3 marks Mark allocation e mark per correct example given SECTION B continued Copyright Insight Publications 2007 10 Tip e Students should be able to give clear examples of the different types of threats to the data and security of a system The simple structure of this question should provide students with a good opportunity to demonstrate their knowledge in this area Question 3 Paul is a systems analyst brought in to develop a new information system for a local health club He needs to collect data on the current system and wants to ensure that he obtains data from a good range of both primary and secondary data sources Describe the difference between primary and secondary data sources and give an example of each Answer A primary source of data is one in which the data is received first hand The data has not been changed or modified in any way and comes directly from the system or users of the system A secondary data source is data that comes from outside of the system and which may provide some information on the s
11. ge points within the software development study design Students should be able to discuss specific types of user documentation and demonstrate knowledge of what is most suitable for given situations They should also be aware of the requirements of a training strategy and be able to apply them to a case study SECTION C continued Copyright Insight Publications 2007 26 Question 12 The Warringal Council wants to be able to evaluate the new system once it is operational in the field For each of the evaluation criteria listed in the table below identify a piece of data that the council could collect to determine if the criteria are being met Answer Evaluation criteria Evaluation data Infringements notices are produced in real Statistics on the time taken to write the details of time the fine to the database on the server Time taken to record a fine is halved Interviews with local laws officers on how long it takes to record fines electronically compared to previously Errors in fines are reduced by 90 Customer complaints records fewer complaints about inaccuracies should indicate fewer errors Equipment is robust and functioning with Equipment breakdown logs to indicate the minimal downtime amount of time for which the handheld devices are out of service 4 marks Mark allocation e mark for each area of evaluation data identified Tip e Criteria for evaluating information systems are again a feature of the Sof
12. ils resident offender details validate details request for details validated details unpaid infringement notice copy of notice _ unpaid infringement notices process infringement notice unpaid infringement notice payment details process infringement payment OY infringement notice paid infringement notices payment receipt payment information SECTION C continued Copyright Insight Publications 2007 14 a Identify the process that produces the data flow Payment receipt Answer Process infringement payment 1 mark Mark allocation e 1 mark for identifying correct process b Which element of a DFD does not appear in the diagram above Answer External entity 1 mark Mark allocation e mark for identifying the external entity c Complete the context diagram for this system resident offender details Warringal Council Local Laws Infringement System request for details payment of receipt BANK SECTION C continued Copyright Insight Publications 2007 15 Answer payment details offender resident details resident offender details request for details resident offender Warringal Council Government Local Laws Infringement System agencies payment information copy of notice payment receipt BANK 5 marks Mark allocation e mark for each of five missing components identified Tip e Last y
13. lace in the Software Development study design It is important for students to be able to evaluate options and make recommendations based on their knowledge Question 9 The following Gantt chart has been created for the development phase of the project Purchase Handhelds 8 10 2007 Set up server to interface with 9 10 2007 handhelds Setup wireless connection between 9 10 2007 handhelds and server 4 Develop software for handhelds 8 10 2007 5 Install software on handhelds 22 10 2007 Test software on handhelds 22 10 2007 Test data upload to server from 23 10 2007 handheld Development completed 25 10 2007 a On what date is a milestone achieved pein fn Oct 2007 14 0ct2007 Oct 2007 ar octz007 Oct 2007 Finish Duration ea ea eae 8 10 2007 1d 9 10 2007 9 10 2007 19 10 2007 22 10 2007 22 10 2007 24 10 2007 25 10 2007 Answer 25 October 2007 1 mark Mark allocation e mark for identification of milestone b On what dates do concurrent tasks occur Answer 9 October and 22 October 2007 2 marks Mark allocation e mark for identification of each date SECTION C continued Copyright Insight Publications 2007 23 c How many working days are on the critical path Answer 13 days 1 mark Mark allocation e mark for identifying length of critical path Tip e Project management takes a little more prominence in the new study design and it is therefore important that students understan
14. n Tip e Each year project management has featured prominently in the Information Systems exam and it maintains an important role within the new study design Therefore it is important that students be able to define terms relating to project management Copyright Insight Publications 2007 13 Section C Case Study Question 1 Some of the concerns that the Warringal Council have about the existing system are listed below Identify each concern as an economic social or technical factor prompting change Answer Concern Factor Two staff members are required to manually enter infringements economic into the system People are sometimes issued fines for infringements they did not commit The time between an infringement notice being issued and being economic entered into the system can sometimes be days The current system will sometimes record the same infringements twice 4 marks Mark allocation e mark per accurate factor listed Tip e It is important that students are able to identify and categorise the factors that influence change in an organisation s information system as this is the catalyst for the Software Development Life Cycle A similarly structured question was contained in the 2005 Information Systems exam Question 2 During the analysis Michael the systems analyst has produced the following DFD to document the processes involved in the current infringement system offender resident deta
15. ncil and justify your choice Answer Choice Model A Justification Battery life is important to the local laws officers as they work out of the office for the entire day Model A has a longer battery life and is therefore the better choice in that regard Model A also has a greater screen resolution which will be useful when working on a handheld a small screen may be difficult to navigate and looking at a small screen for too long may cause health issues Model B has the better of the two cameras however 1 3 megapixels should be sufficient for the needs of the officers in the field Therefore Model A is the better choice 4 marks Mark allocation e mark for giving the correct choice of model and 1 mark for each reference made in the justification to a feature to be considered up to a maximum of three features SECTION C continued Copyright Insight Publications 2007 17 Tip e Questions relating to hardware specifications have been common on past exams and as there is an emphasis on types and specifications of portable computing devices this type of question has every possibility of arising on an exam under the new study design Students need to be able to understand what each of the features of the computer does and be able to make informed choices about hardware on this basis Question 4 The Warringal Council has employed a programmer Samantha to develop the software that will reside on the handheld computers a
16. nd interface with the current system at the council offices Michael the systems analyst has asked Samantha to provide designs for user interfaces to be used in the software a Ifa local laws officer is giving an infringement notice to a person who is present they are required to get that person s signature electronically using a stylus The screen for doing this appears as follows w Formi 5 Ed Offence notification I have read the mnformation outhned in this imfrmgement notice and understand my legal obligations m addressing the issues raised within it i Identify the major fault with this screen ii Suggest how this fault could be corrected Answer i There is no explanation of which screen area to sign in and what should be placed in the other screen area ii This fault could be corrected by appropriate labelling of each of the screen areas so that the person signing knows where to sign and what information to include 1 1 2 marks Mark allocation e mark for the fault and 1 mark for how this can be corrected SECTION C continued Copyright Insight Publications 2007 18 b The following screen is shown if a car has outstanding parking fines or has broken another law Michael believes there is a fault with the screen also Vehicle Alert i Identify the major fault with this screen ii Suggest how this fault could be corrected Answer i There is no detail about the problem with the vehi
17. ny other bugs She would also need to ensure that she and the council have the right to use the program As the code that Samantha has found is shareware she will probably have to negotiate a contract with the programmer to either purchase copyright for the code or to pay licence fees for using it If the code is licensed then the responsibility of the original programmer to provide updates and bug fixes will need to be clearly stated 3 marks SECTION C continued Copyright Insight Publications 2007 19 Mark allocation e 1 mark for each point discussed Tip e The legal and ethical obligations of programmers are still a feature of the new study design Similar questions appear regularly on the exams and are often poorly answered Students need to be able to clearly explain the obligations Question 6 When processing parking infringements the new software will search the infringement notices database to see whether a vehicle has any outstanding fines If the vehicle has more than three fines or has any fine that is greater than 90 days overdue then the system will record this information and calculate an additional fine of 300 plus 20 of the value of the current fines on top of the one being administered The officer will then have the vehicle towed The following algorithm has been developed to search for and then calculate the fine of a serial offender Start Total Fine 0 Get Vehicle Registration Get Parking Violati
18. o issue data entry would still have to be performed and be checked against the electronic entry and finally one of the notices would need to be deleted off the server It would get really messy 3 marks SECTION C continued Copyright Insight Publications 2007 24 Mark allocation e mark for identifying an alternative changeover method e mark for discussion of how it would work e mark for discussing why it would not have been chosen Tip e A key knowledge point within the study design is an understanding of the different changeover methods in the implementation phase This question requires students to not only recall the different types but to actively apply two of them to the case study scenario Question 11 Brian has been working with Samantha developing the user documentation and training programs for the local laws officers in the use of the new handheld ticketing devices Brian thinks that all of the information on how to use the software should be contained within a user guide Samantha wants to develop an online help option within the program itself a Describe one advantage of having a published user guide Answer This would allow the local laws officers to physically follow instructions from the user guide as they read it they would not have to switch between multiple display windows on the handheld which has a very small screen 1 mark Mark allocation e mark for identifying an advantage b Describ
19. o tape being performed at the end of each week a What would be the advantages and disadvantages of using the outsourced data security company Answer There are many benefits to outsourcing the backups for the council Firstly it is a job that they will not have to complete themselves The backups will be kept off site which 1s important as this means they will not be vulnerable to internal problems There would also be disadvantages Restoring data from the backups might be a lengthy time consuming process Security might be an issue If the outsourcing provider went bankrupt the council might not be able to retrieve their backups It would also be a costly process over time 2 marks SECTION C continued Copyright Insight Publications 2007 22 Mark allocation e 1 mark for discussion of advantages and 1 mark for discussion of disadvantages b What would be the advantages and disadvantage of doing their own backups Answer An advantage of doing the backups on site is the control you would have over the backups but they would still be vulnerable unless you found a secure off site location for them Cost wise it would most likely be cheaper to run the backups in house as any outlay would be for equipment and media initially and then very little outlay afterwards 2 marks Mark allocation e 1 mark for discussion of advantages and 1 mark for discussion of disadvantages Tip e Backup procedures continue to have a p
20. on Get Fine Value Total Fine Fine_ Value Search for Vehicle Registration in infringement notices database If Vehicle registration is found in database then Get Number _ of Fines Days Overdue for Vehicle Registration from database If Number of Fines gt 3 And Days Overdue gt 90 then Total Fine Fine Value 300 Fine Value 0 20 End If Print infringement notice End If End a Use the following test data to test the algorithm Fill in the blank spaces Answer Vehicle_ Fine_Value Match Number_of_ Days_ Expected Actual Printed Registration Fines Overdue Total Fine Total Fine 8 marks Mark allocation e mark for each correct entry into the table SECTION C continued Copyright Insight Publications 2007 20 b There 1s a logic error in the algorithm that will cost the Council lost revenue Identify and correct this error Answer The error is in the line If Number of Fines gt 3 And Days Overdue gt 90 then The line should read If Number of Fines gt 3 Or Days Overdue gt 90 then 2 marks Mark allocation e mark for identifying error mark for providing correction c There is another logic error within the algorithm Identify that error and explain how to correct it Answer The fine will only be printed if the vehicle registration matches with one in the current unpaid infringement notices database If this 1s not the case this part of code will not execute The line Prin
21. ood way for them to demonstrate their knowledge of Nassi Schneiderman diagrams SECTION B continued Copyright Insight Publications 2007 12 Question 6 One way that an information system can allow an organisation to operate in a global environment is through a web portal or e commerce site Outline three benefits to an organisation of using such a facility Answer Some of the benefits that would apply include e the ability to access a broader market e the ability to access the market 24 hours a day 7 days a week e the ability to communicate and sell directly to the consumer e the ability to engage in niche marketing e the fact that the portal or site can be modified and updated simply and quickly 3 marks Mark allocation e mark per benefit provided Tip e There continues to be an emphasis on understanding the nature of information systems in a global environment Therefore it is important that students be able to identify the benefits in doing so and therefore be able to justify why an organisation might pursue this type of system Question 7 Give a definition of the following project management terms Answer Dependency A dependency describes a task within the project that cannot be begun until the previous one is completed Milestone A milestone is a point within a project where progress is reviewed Milestones are identified at the commencement of the project 2 marks Mark allocation e mark per definitio
22. r and what form it should take SECTION B continued Copyright Insight Publications 2007 11 Question 5 Fancy Pants is an online clothing store that produces custom made jeans designed to fit a customer s size The cost of a pair of custom made jeans is calculated using the cost of the basic style as a starting point and then altering the price as follows e Ifthe customer is a size 8 10 then take 10 off style price e Ifthe customer is a size 12 14 then the cost of the jeans is the same as the style price e Ifthe customer is size 16 or greater then add 10 to style price The following Nassi Schneiderman diagram shows the process for calculating the cost of the jeans in the online store Three items are missing from it From the following list choose only three items and write each of the three items in the correct place in the diagram e Size lt 12 e Style Price Style Price 10 e Style Price Style Price 0 1 e Size 8 10 e Size gt 16 e Style Price Answer Get style Get style price Ln epice erie Style price style price 10 Until all styles chosen 3 marks Mark allocation e mark for each correct entry in diagram Tip e A similarly structured question relation to Nassi Schneiderman diagrams was included in the 2006 Information Systems exam Students still need to be able to understand the different methods of representing algorithms and this type of question is a g
23. ring that the device was not able to be identified by other Bluetooth devices The second way would be to install encryption software on the devices and encrypt any data being sent wirelessly so that if it were intercepted it would be useless 2 marks Mark allocation e 1 mark for identification of method 1 mark for explanation of how it works Tip e Security of data continues to be a strong theme in the Software Development study design The focus on portable devices also means a focus on their security capabilities It is therefore reasonable to expect students to understand the strengths and weaknesses of the communications technologies that are part of these devices Question 8 The data on the main server of the Warringal Council will need to be backed up regularly to ensure that records of fines and payments are not lost Brian the head of Information Technology within the Council is weighing up the options for doing this He has received a quote from a data security company for 600 per month For this amount of money they will complete an incremental backup each evening over the Internet and a full backup each weekend The data will be stored in secure premises with backups for the last 12 months being kept at any one time The other option is for the council to utilize the internal network and perform backups in house Incremental backups during the day would be made to a mirrored server with RAID capacity with full backups t
24. s are required to have an understanding of data types and therefore should be able to determine what data type should be allocated to a variable based on its name Question 5 In which network topology can only one signal travel along the cable at one time bus B ring C star D mesh Answer is Tip e Students should have a clear understanding of how each type of network topology functions and be able to identify a network topology from a simple description SECTION A continued Copyright Insight Publications 2007 Question 6 Bandwidth is A the speed at which data is transmitted over a network B the amount of data that can be transmitted over a network in a measured time period C the amount of data that can be transmitted over a network in a session D the speed at which data can be downloaded Answer is B Tip e Students should understand that bandwidth is measured in bits per second and therefore be able to identify bandwidth as being measured by the amount of data over time and not speed or amount of data alone A similar question has been on a previous Information Systems exam The point here is for students to provide the most comprehensive response Question 7 A denial of service attack will A use software to try to uncover passwords and usernames B install software on a computer without the knowledge of the user C attempt to overload the system so that it crashes D find a weakness in the
25. t infringement notice should appear after the last End If but before the algorithm ends This will ensure that all fines print 2 marks Mark allocation e mark for identification of error 1 mark for correction Tip e Every year an algorithm is provided on the exam that must be bench tested and checked for errors This question takes the same format Students should be able to determine what the program should return using test data and an English language description of the program requirements and then bench test the algorithm using the test data to see what actually occurs This is an important component of the Software Development course SECTION C continued Copyright Insight Publications 2007 21 Question 7 The Warringal Council Local Laws Penalty System will be transmitting some very sensitive and valuable data by wireless means Privacy laws require that this data be kept secure at all times Explain one way in which the Warringal Council can ensure that the data they are transmitting with the handhelds is secure Answer There are two options that can be used to ensure the security of the data being stored and transferred on portable devices The first 1s to ensure that the correct transmission method 1s being used The most secure transmission for portable devices such as these is to use the cellular wireless feature rather than wi fi or Bluetooth which are both vulnerable to interception This would also mean ensu
26. tart guide C technical reference manual D procedures manual Answer is B Tip e Itis a requirement for students to know and understand the role of user documentation and the different formats it can take They should be able to identify the correct format for any given user Question 16 A programmer in his role for ABC software develops a program for Waterworks Plumbing that generates quotes for their business it will be used by all staff of the plumbing company Waterworks Plumbing has commissioned ABC Software to produce this software exclusively for them under licence In this instance who owns the program A the ABC Software Programmer B ABC Software C Waterworks Plumbing D the staff of Waterworks Plumbing Answer is C Tip e Students should understand how copyright and ownership laws work In this instance the programmer created the program in his role at ABC Software this was done exclusively for the plumbing business which through the commissioning of the software has paid for the software to be developed for them Question 17 The e Robot portal is an e commerce site that trades in robot toys Which of the following would not be a benefit of trading over the World Wide Web A the ability to update information on good prices and availability immediately B the ability to trade 24 hours a day 7 days a week in all time zones C the ability to reach a large customer base in a niche market D the ability to a
27. ting and documenting SOW gt debugging and coding Answer is C Tip e Students should know and understand all phases of the software development methodology as outlined in the study design This may differ from those represented in the text books so it is important that this is clarified with them Question 11 Which of the following would not generally be considered to be a characteristic of a high quality user interface design A easy to navigate B logical and ordered presentation of information C includes high level multimedia such as sound and animation D uses complementary colours Answer is C Tip e Students should have a good understanding of what features make a good user interface and therefore should be able to identify the use of too many distractions sound and animation as not generally being part of a high quality user interface SECTION A continued Copyright Insight Publications 2007 Question 12 If I were to evaluate my software on the basis that it was easy to use and therefore allowed for a greater number of transactions to be processed in a given time frame I would be testing for A effectiveness B usability C reliability D efficiency Answer is D Tip e Students must be able to identify the criteria for evaluating software and be able to differentiate between them as outlined in the study design In reference to the study design efficiency is measured in terms of time cost
28. tware Development study design Students need to know what suitable evaluation criteria are and what data would be collected to determine whether the criteria are being met This question tests that area of knowledge END OF SOLUTIONS BOOK Copyright Insight Publications 2007
29. void dealing with customers face to face Answer is D Tip e Students should have a clear understanding of the benefits and disadvantages of operating in a global environment In this instance they should be able to identify that not dealing with customers face to face is in fact a disadvantage of trading via the World Wide Web The other options are advantages SECTION A continued Copyright Insight Publications 2007 Question 18 Which element of a disaster recovery plan outlines the processes necessary to get the system up and functioning again A emergency plan B recovery plan C backup plan D test plan Answer is B Tip e This study design outlines explicitly that students should have an understanding of the preparation of disaster recovery plans and therefore a question that tests their knowledge in this area is warranted Question 19 Which of the following factors influencing the acquisition of hardware would be considered a human factor A training requirements B reliability of suppliers C compatibility of components D _ reliability of components Answer is A Tip e Students must understand the factors that influence the acquisition of both hardware and software and be able to evaluate these This question asks them to recognise which categories the factors fall into Question 20 A university is looking at security measures to protect its data Which of the following would not be considered to be a softw
30. ystem An example of a primary source of data would be an interview with a user of the system for instance a customer service representative while an example of a secondary source of data would be a journal article about a similar system used in another health club 4 marks Mark allocation e 2 marks for clearly describing the differences between the two sources of data e 1 mark for each example provided Tip e Students need to be able to clearly describe the different types of data that need to be collected in an analysis phase and understand how they differ in their contribution and value to the process Question 4 What is the role of internal documentation in a computer program What should internal documentation include Answer Internal documentation is designed to provide information within the program to allow future programmers working with the code to make appropriate modifications where necessary The internal documentation should explain the function of key variables and procedures within the code and any other conventions and important information that would be necessary in order to alter the code in future 2 marks Mark allocation e 1 mark for role of internal documentation 1 mark for description of what it should include Tip e The purpose of internal documentation is an important component of the software development process Students should be able to clearly describe what internal documentation is used fo
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