X216/11/01 NATIONAL QUALIFICATIONS 2014 FRIDAY, 2 MAY 9.00 AM – 10.30 AM INFORMATION SYSTEMS INTERMEDIATE 2 Attempt Section I and Section II and one Part of Section III. Section I – Attempt all questions. Section II – Attempt all questions. Section III– This section has three parts: Part A – Applied Multimedia Part B – Expert Systems Part C – The Internet Choose one part and answer all of the questions in that part. Read each question carefully. Write your answers in the answer book provided. Do not write on the question paper. Write as neatly as possible. Answer in sentences wherever possible. PB *X216/11/01* © SECTION I Marks Attempt ALL questions in this section. 1. State two limitations of using a flat file database. 2 2. Relational databases make use of primary and foreign keys. (a)Explain the purpose of a primary key. 1 (b) Explain what is meant by a foreign key. 1 3. When Yaseen joined his new company, he had to sign a document agreeing to a set of rules about acceptable behaviour when using electronic communications. One of the rules was that he would only use the company’s computers for business purposes. State the term used to describe this set of rules. 1 4. Information management software is used for both personal and organisational uses. (a)Describe one personal use for reference software. 1 (b)Describe one organisational use for DTP software. 1 5. The introduction of new ICT can have both economic and social implications. (a) Explain what is meant by the term economic implication. 1 (b)State one social implication of introducing new ICT. 1 [X216/11/01] Page two 6. Fitness sports centres currently store member details on a card system. A sample card is shown opposite. They would like to store the same information in an electronic database system. Marks Name Eva Paterson Joined 11/10/2011 ID 567342 Phone 0782453212 Sports Hockey, Karate, Swimming (a)State the term used to describe a field like the Sports field. 1 (b) State the most suitable data type for the Joined field. 1 (c) The ID field is to be an integer field type. Describe what is meant by the term integer. 1 (d) Suggest a suitable table name that would be used for storing the information shown in the above card. 1 7. Basic and advanced users use the HCI differently. Using a suitable example, explain how basic users and advanced users can carry out the same operation in two different ways. 2 (15) Total for Section I [END OF SECTION I] [Turn over for SECTION II on Page four [X216/11/01] Page three SECTION II Marks Attempt ALL questions in this section. 8. Badges4U stores information about the badges they sell in their shops. A sample record card is shown below: Shop Number:B4U345 Location:Glasgow E-mail Address:[email protected] Telephone Number: (01546) 278946 ID BADGE Name Cost MU3467 Music £1.25 BE2345 Beautician £1.35 ME2978 Mechanic £1.20 (a) Identify and remove the multi-valued fields from the table and represent the contents as two entities with suitable names. Identify all primary and foreign keys. (b)State the relationship that exists between the entities you identified in part (a). 7 1 (c) When this database is designed, field types and validation must be identified. (i) State the most suitable field type for the Badge field. 1 (ii)State the most suitable type of validation for the ID field. 1 (10) [X216/11/01] Page four Marks 9. Sivacard is a company which allows customers to pay for their goods electronically. (a) A customer pays for their goods with a debit/credit card. State one method of gathering information from the debit/credit card. 1 (b) The company process a high volume of payments each day. 1 Explain what is meant by the term volume. (c) Sivacard can store customer details in a centralised database or as separate databases in different locations. Describe two advantages of using a centralised database to store customer details. 2 (d)Legislation requires Sivacard to register with the information commissioner before they store any personal data. (i)State one other responsibility required of Sivacard. 1 (ii) State the term used to describe Sivacard in relation to this legislation. 1 (e) Sivacard have been advised to implement a security strategy. Describe two reasons why Sivacard requires a security strategy. 2 (f) Electronic payment is commonly used when buying goods on the Internet. Describe two social implications for customers who shop online. 2 (10) [Turn over [X216/11/01] Page five Marks 10. ScotGifts is a shop selling gifts made in Scotland. (a) ScotGifts use an electronic database as it allows them to search and sort data quickly. Describe two further benefits of an electronic database compared with manual data storage. 2 (b) ScotGifts create a summary of their sales to produce details for a special offer. ScotGifts Forename Robert Steven Sarah Michael Charlotte Janos Surname Brammar Jenkins Fowler Beswood Williams Lewicki Product Kilt Sporran Celtic Ring Cuff Links Quaich Kilt Quantity 1 3 2 1 2 3 Price £400 £90 £450 £30 £120 £270 (i) Name the feature of a database which would be suitable for outputting the information shown above. 1 (ii) State a query which would find the names of customers who purchased kilts costing £300 or more. 2 (iii) Explain why the column shaded grey is considered information and not data. 1 [X216/11/01] Page six 10.(b)(continued) (iv) The company creates the following postcard to send to its customers. Marks ScotGifts 20 Inverness Avenue Inverness Dear Mr Smith, Thank you for your recent investment in a high-quality Scottish kilt. As a valued customer we would like to offer you a 20% discount on all products in our Bonnie Prince Charlie range. We look forward to your next visit to one of our stores. Unfortunately, not all the text will fit onto the postcard. The postcard is reformatted as shown below. ScotGifts 20 Inverness Avenue Inverness Dear Mr Smith, Thank you for your recent investment in a high-quality Scottish kilt. As a valued customer we would like to offer you a 20% discount on all products in our Bonnie Prince Charlie range. We look forward to your next visit to one of our stores. Describe two formatting functions that have been used to make all of the text fit onto the postcard. 2 1 (v) Part of the letter is in italics. State the name of the data object in italics. [X216/11/01] Page seven [Turn over Marks 10.(continued) (c)Describe one element of Health and Safety legislation related to seating which 1 ScotGifts need to consider when their employees are using computers. (10) Total for Section II [END OF SECTION II] [X216/11/01] Page eight (30) SECTION III Attempt ONE part of Section III. Part A Applied Multimedia Page 10 Questions 11 to 13 Part B Expert Systems Page 17 Questions 14 to 16 Part C The Internet Page 20 Questions 17 to 19 Choose one part and answer all of the questions in that part. [X216/11/01] Page nine SECTION III Marks PART A—Applied Multimedia Attempt ALL questions in this section. 11. FancyDress2U is setting up a company to provide costumes direct to customers. The company decides to make its catalogue available on the World Wide Web rather than on CD-ROM. (a)State two benefits to the company of using the World Wide Web as the delivery medium. 2 (b)A multimedia design company is given a brief explaining the purpose of the catalogue, the delivery medium and its potential users. Identify one other aspect that should be discussed at the analysis of the brief. 1 (c) A project manager is selected and they appoint the members of the project team to develop the catalogue. State one other task carried out by a project manager. 1 (d) During the design of the catalogue the following storyboard is created for one of the screens. Page Title Design cartoon costumes Text for slide cartoon descriptions Images mickeymouse.jpg buzzlightyear.jpg fredflintstone.jpg Other elements for Slide Fancydress2U template Background: Transition Effect: fade (i)Describe what should be included in the Design section of the storyboard above. 1 (ii)State one graphic design principle that should be considered at this stage. 1 (iii) Explain the purpose of a transition. 1 [X216/11/01] Page ten Marks 11.(continued) (e)The background template shown below is used on all screens of the catalogue. The template includes a navigation bar. )DQ F\'UHVV8 Home Animal Costumes Cartoon Characters Superheroes Sports Outfits Historical Figures Occupations Pirate Costumes Christmas Outfits (i) Identify the type of navigation structure used in the catalogue. 1 (ii) With reference to text design principles, describe one reason for using a template. 1 (f)The screen shown below is used to place an order. )DQ F\'UHVV8 Home Animal Costumes Cartoon Characters Your Order: Cat No SH123 Description Superhero 1 Superheroes Sports Outfits Select size x small small medium large x large Quantity 1 Historical Figures Occupations Pirate Costumes Checkout Christmas Outfits (i) Identify the type of user interface used. 1 (ii) Identify the type of validation used for the Select size field in the order form. 1 [X216/11/01] Page eleven [Turn over Marks 11.(continued) (g) Photographs of the costumes are taken so they can be included in the catalogue. Describe one technique that can be used to reduce the file size of each photograph so they are suitable for inclusion on the web pages. 1 (12) [X216/11/01] Page twelve Marks 12. GetThatChoon is a commercial website where registered users can listen to and download music tracks. (a) When registering, users must accept the terms and conditions for using the website. Part of the terms and conditions states: “GetThatChoon takes precautions to safeguard your personal information against loss, theft and misuse.” State the piece of legislation that requires GetThatChoon to take these precautions. 1 (b)Another part of the terms and conditions is shown below: “You agree that GetThatChoon products are provided to you by way of a licence only. You understand that the products incorporate technology that protects digital information and limits your use of the products to certain rules and that any other use of the GetThatChoon products may constitute an infringement of the licence.” 1 Explain why it is necessary to have such a statement included on the website. (c)Users can search for tracks using the search screen shown below. Album: Artist: Track: Search 1 State the type of search facility used above. [Turn over [X216/11/01] Page thirteen Marks 12.(continued) (d)The screen below shows the results of a search. Search results for Bryce Summersteen Albums Born to Walk The Stream Shade on the Outskirts Click the name of the album to see its tracks The screen contains several anchors. (i) Identify the anchors on this page. 1 (ii) Describe what happens when an anchor is selected. 1 [X216/11/01] Page fourteen Marks 12.(continued) (e) The screen below allows users to preview or buy a music track. Title Preview Time Racing in the Road Point Clear Cadillac Farm Price 5:00 Add to Basket £0.99 6:04 Add to Basket £0.99 3:03 Add to Basket £0.99 (i) To reduce the download file size, the audio clips were compressed. Describe one other method of reducing the file size of the audio files. (ii)Describe one user control that should be implemented when listening to the audio files. 1 1 (iii) During the development of the website, screen testing is carried out. One test ensured the screen matched the original design. Describe two other screen tests that would be carried out on this screen. 2 (f) Users are asked to evaluate their experience of using the website. State one reason why evaluation is useful to GetThatChoon. 1 (10) [Turn over [X216/11/01] Page fifteen Marks 13. A quiz can be created using presentation software or multimedia authoring software. Player: Score: 0 Time Left: 54 Drag animals of the same kingdom on top of each other (a)Suggest two reasons why the quiz shown above should be created using multimedia authoring software. 2 (b) The following user instructions are created to accompany this quiz. To load the program, double click the icon called “Animals” From the main menu select Animal Classification Type your name in the box labelled “Player” Drag animals of the same kingdom on top of each other – you have 60 seconds to complete the task. State the stage of development when these instructions would be created. 1 (3) (25) Total for Section III Part A [END OF SECTION III—PART A—APPLIED MULTIMEDIA] [X216/11/01] Page sixteen SECTION III Marks PART B—Expert Systems Attempt ALL questions in this section. 14. The following paragraph describes some of the types of seaweed found around the shores of Scotland. Egg wrack seaweed is dark in colour and has air bladders. It is found on the middle part of the shore. Bladder wrack seaweed, commonly found on the upper shore, is pale brown in colour with air bladders. Toothed wrack seaweed is found on the lower shore. It is yellowy-brown in colour and has no air bladders. Spiral wrack seaweed is similar in appearance to Toothed wrack seaweed but is found on the middle shore. (a) Represent the knowledge about seaweed as a factor table. 4 (b) Create a forward chaining rule which would be used to identify Toothed wrack seaweed. 3 (c) Explain why forward chaining is an appropriate inferencing method to use in this situation. 1 (d) Part of the consultation from the completed expert system is shown below. Is the seaweed found on the upper shore? Answer: No Is the seaweed found on the middle shore? Answer: No Is the seaweed found on the lower shore? Answer: Yes Describe two improvements that could be made to this method of consulting the expert system. 2 (e) When the fully implemented seaweed expert system was used, it identified the wrong type of seaweed. (i) Describe how the knowledge engineer could be responsible for this mistake. 1 (ii) Describe how the domain expert could be responsible for this mistake. 1 (12) [Turn over [X216/11/01] Page seventeen Marks 15. An expert system is being developed to help vets identify rare diseases in animals. (a) State the category of this expert system. 1 (b)State two reasons why this is a suitable domain for developing an expert system. 2 (c) Describe the purpose of the knowledge representation stage when developing the animal rare diseases expert system. 1 (d) The animal rare diseases expert system can be used to represent the knowledge of many experts. (i)State one other purpose of an expert system. 1 (ii) Describe the difference between knowledge and data in relation to an expert system. 2 (e) During the development of the animal rare diseases expert system, an expert system shell was used. Describe what is meant by the term expert system shell. 2 (f) Employers have a legal responsibility to ensure safe working practices for their employees when using computers to create an expert system. Describe one procedure employers should put in place to ensure that employees do not suffer from eye strain when creating the expert system. 1 (10) [X216/11/01] Page eighteen Marks 16. The following attribute-pairs give information about bicycles. Track Racing Bike(gears = 1, wheel width = slim) Trail Bike(gears = less than 10, wheel width = wide) Road Racing Bike(gears = greater than 5, wheel width = slim) Mountain Bike(gears = greater than 10, wheel width = wide) Represent the above attribute-value pairs as a decision tree by completing the decision tree shown below. Wheel Width 3 (3) Total for Section III Part B (25) [END OF SECTION III—PART B—EXPERT SYSTEMS] [Turn over [X216/11/01] Page nineteen Marks SECTION III PART C—The Internet Attempt ALL questions in this section. 17. Richard is using a web authoring package to create a website about famous computer scientists for the CompScientists website. An example of the page being edited in the software is shown below. MyPage Colour Tim Berners Lee John von Neuman More... Site Structure + Tim Berners-Lee John von Neuman Alan Turing Alan Turing w3.org Sir Tim Berners-Lee, (born June 8, 1955, London, England), British computer scientist, generally credited as the inventor of the World Wide Web. In 2004 he was awarded a knighthood by Queen Elizabeth II of the United Kingdom and the inaugural Millenium Technology Prize (€1 million) by the Finnish Technology Award Foundation. Text Image Video Audio Links (a) Richard makes use of the main features of the web authoring package to create his website. (i) Identify a feature of the web authoring package, shown above, which is icon-based. 1 (ii) Identify the feature of the web authoring package, shown above, which will create the navigation to other web pages. 1 [X216/11/01] Page twenty Marks 17. (continued) (b) The page is uploaded to http://www.compscientists.com. (i) State the protocol which Richard would use to upload his file to the web server. 1 (ii) State the type of software being used to display the webpage. 1 (iii) The W3C image is stored in the same folder as the CompScientists webpage with the filename w3c.jpg. A State the absolute address of the W3C image. B Describe one problem associated with absolute addressing. 2 1 (iv) Richard is reluctant to publish this page on the CompScientists website due to the inclusion of the W3C logo, shown below. 1 Explain why Richard is reluctant to publish this webpage. (8) [X216/11/01] Page twenty-one [Turn over Marks 18. ProtectPrivacy.org is a charity which highlights threats to privacy which occur when using the Internet. (a)Describe two threats to privacy which can occur due to using the Internet. 2 (b) ProtectPrivacy.org makes use of newsgroups to create public discussion. (i) Explain how a newsgroup is used. 1 (ii)Give one business use which ProtectPrivacy could have for newsgroups. 1 (c)Sandy is using the ProtectPrivacy search engine shown below to find information about protest marches in order to create a flyer for the charity. Boolean Search: File Type: Region: Usage Rights: Go Search! (i) Suggest a Boolean search which would allow Sandy to find information about protest marches which are happening in Scotland any day except for Saturday. 3 (ii) Identify the feature of this search engine which would assist Sandy in finding graphics which are copyright-free for use on the flyer. 1 (8) [X216/11/01] Page twenty-two 19. The Bank of Perthshire uses the following network within their Perth office. Marks Internet 46.36.198.121 Device A Router 46.36.198.123 46.36.198.125 (a) (i) State the name of device A. 1 (ii) Identify an IP address from the diagram above. 1 (iii) Explain the role of the router in the network. 1 (b) The bank uses a broadband connection which has improved the efficiency of transferring data. (i)State one other development that has improved the efficiency of transferring data. 1 (ii)Suggest one way in which the bank’s operators may notice an increase in the network efficiency. 1 (c) The bank offers its employees the chance to work from home using the Internet. (i)Describe one advantage of working from home for the employee. 1 (ii)Suggest two Internet services which bank employees could use to communicate with the bank in real-time. 2 (iii) State a development in security software which has increased the bank’s confidence about employees working from home. 1 (9) Total for Section III Part C(25) [END OF SECTION III—PART C—THE INTERNET] [X216/11/01] [END OF QUESTION PAPER] Page twenty-three [BLANK PAGE] Acknowledgement of Copyright Questions 6, 9, 10(b), 12(c), 12(d), 12(e), and 13 Question 11(f) Question 17 Images from www.shutterstock.com Image from http://images.esellerpro.com/2320/I/501/76/lrgscale882309%20XL.jpg Image from http://globalaccessibilitynews.com/files/2012/05/W3C_logo.jpg
© Copyright 2024 Paperzz