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___________ Downloaded from hlayiso.com Information Technology P1 Grade 11/June 2018 education Department: Education PROVINCE OF KWAZULU-NATAL GREENBURY SECONDARY SCHOOL INFORMATION TECHNOLOGY GRADE 11 PAPER 1: PRACTICAL Date of examination: 05 June 2018 MARKS: 150 TIME: 3 hours This paper consists of 10 pages including this cover page. Please turn over

Downloaded from hlayiso.com Information Technology P1 Grade 11/June 2018 GENERAL INSTRUCTIONS AND INFORMATION 1. This is a three-hour examination. Answer ALL the questions. Read them carefully and do only what is required. A Learnerdata folder is supplied. It contains subfolders and data for the applications that you must develop. Change the name of this Learnerdata folder as instructed by your teacher. Type in your name and surname as a comment in the first line of each unit. Save ALL your solutions in the correct folders and sub folders. Save your work at regular intervals as a precaution against power failures. During the examination you may use the HELP function (F1) of Delphi. You may NOT make use of any other resources. At the end of this examination session you must make sure that ALL the files with your work have been saved as explained to you by the invigilator/educator. Ensure that ALL files can be read. Printouts of the programming code of the units will take place after the completion of this examination session as instructed by the invigilator. Files Supplied: The following files can be found in the Data Folder: Q1xx: Q2xx: Q1_p.dpr Q2_p.dpr Q1_u.dfm Q2_u.dfm Q1_u.pas Q2_u.pas Candidates. txt GENERAL SCENARIO The Student Union asked you to use your problem-solving skills to develop a computer application for the election. Pagel

Downloaded from hlayiso.com Information Technology P1 QUESTION 1 Grade 11/June 2018 The files needed for this question can be found in the folder named Q1. You have been provided with an incomplete program. Open the project file Q1_p and complete the program. User interface: College Students Union Elections By big Display Candidates IbIInfo Search fora candidate __ Close Page 2

Information Technology P1 Re Downloaded from hlayiso.com Grade 11/June 2018 The text file Candidates.txt contains the information of the election candidates. The candidates’ information is stored in the following format: IDnumber%Name and Surname “%cell-phone number %Email Address Example of the information for Delaan Glory: 8801198585081 %Delaan Glory%0775896589%delaanglory@nowitwiz.co.za Follow the guidelines 1.1.1 to 1.1.5 to complete the code of the ‘Display Candidate’-button: 1.1.1. Declare 3 global arrays, arrName, arrld and arrTel. Create a global variable to keep track of the total number of people extracted from the text file. (4) 1.1.2 FormCreate-Event: Test whether the file exists or not. Display an appropriate message if the file doesn’t exist and close the program. Read the candidate’s information from the text file, split the information to get the ID number, name and cell-phone number. Save the candidates’ information in appropriate arrays for later use. There are only 9 candidates for the election. (21) 1.1.3 DisplayCandidates-Button: e Extract the following information from the arrays: Display only the name and surname, |D-number and the age of the candidate in neat columns with an appropriate heading. NOTE: You have to set appropriate tabs for the Display Area. e Calculate the age by subtracting the candidates birth year from the current year (2018). Assume that all candidates were born in the 20th century (1900's). Calculate the total age of all the candidates, this value will be used at a later stage to calculate the average of all the candidates. e Determine if the candidate is Male or Female by using the seventh digit of the ID-number. Values larger than 4 is Male. Keep track of the total for each gender as you will need the values to be displayed. Page 3

Downloaded from hlayiso.com Information Technology P1 Grade 11/June 2018 College Students Union Elections. Page 4 (al # Disvlay Candidate: Statistics Search for a candidate Close Name 1D-number Age binfo Delaan Glory 8801198585081 3 Dolphin Dolly 9202249536253 26 Duduzile Mazwi 8911143536253 29 Jameson William 8910141536253 29 ‘Lebogang Tso 9406147536253 24 Mary Kingdom 8802142536253 30 Eistine Sibanda 9506146536253 23 Pitso Wishu 9108142536253 27 Zuza Cresto 9006128536253 28 (24) 1.1.4 Statistics-button: This button will be used to display some interesting statistics on the election. Display the number of Male and Female candidates as well as the average age of the candidates make use of the totals calculated in 1.1.3. Display Candidates Statistics Search for a candidate Close Number of male candidates: 5 Number of female candidates: 4 Iblinfo Average age of candidates: Pa (8)

Downloaded from hlayiso.com Information Technology P1 Grade 11/June 2018 1.1.5 When the voter clicks on the ‘Search for a candidafe’-button, the appropriate candidate must be located by searching the ID number. The voter must enter the |D-number using an inputbox. Make use of a flag to stop the search process when the number is located. If the number is found, the information must be displayed on the /bilnfo. If not found an appropriate message in a showmessage must be displayed informing the voter that the candidate is not on the list. Example of output of an existing |D-number 8801198585081: College Students Union Elections Gia Display Candidates _| Statistics earch for.a.candidat Chose _ Number of male candidates: 5 Number of female candidates: 4 Delaan Glory Average age of candidates: 27 8801198585081 0775896589 (17) TOTAL QUESTION 1: 74 Page 5

Downloaded from hlayiso.com Information Technology P1 Grade 11/June 2018 QUESTION 2 As preparation for the elections, new voters must be able to register. The information has to be tested for validity before it is written to the file that contains the information of all these prospective voters. The files needed for this question can be found in the folder named Q2. User interface: College Students Union Elections ae Register voter | Vote Display results i Close Full Name: “pom ” | | -FullNames NumberofVoters 1D Number: Cell Number: E mail: Page 6

Downloaded from hlayiso.com Information Technology P1 Grade 11/June 2018 2.4 An array ArrNames is declared and already populated with electoral candidates. These values will be used at a later stage. The voters registering will be saved in a text file. 2.1.1. Register-button: The full name, ID, cell number and email is extracted from the edit components. Store these values in variables. The cell phone number editbox is a compulsory item. If no number is entered the following error message must be displayed: College Students Union Elections x Enter your cell number The cell phone number must also be tested to ensure it contains 10 characters. If not the following error message must be displayed. College Students Union Elections 4 Not enough digits in cell number The cell phone number must only consist of digits. If not the following error must be displayed. College Students Union Elections ~ only digits in cell number allowed If any of the above errors occur in the program, clear the edit box and allow the user to correct the error. Test if the file exists, if not the file must be created. If there is an existing file, the information must be added to the existing data at the end of the file. The information is stored in a file, Voters.txt, in the following format: IDNumber%Full name%Cell number%E-mail address Example: 694854 1258965%James Bond%0752827236%007@gmail.com Page 7

Downloaded from hlayiso.com Information Technology P1 Grade 11/June 2018 An information message must be displayed confirming that the data is saved: | College Students Union Elections x | New voter cletails saved in textfile | The information must be displayed on IbiMessage as follows: Full Name: ID Number: Cell Number: [0752827236 — | E mail: a0 7@gmaicom | (37) 2.1.2 New-button: Clear the information in the edit boxes, and ensure the cursor is placed in the edit box where the name is entered Full Name: ID Number; Cell Number: E mail: (5) Page 8

Downloaded from hlayiso.com Information Technology P1 Grade 11/June 2018 2.1.3 Clear Messages-button: 2.14 Only display ‘Message centre’ on the label, IbIMessages: i Clear Messages | (1) FormActivate event: Sort the arrayNames alphabetically. Simultaneously place/replace the values of the arrVotes with a 0 (zero). (15) Vote-Button: Obtain the number of the candidate being voted for with an input box. The number 1 represents the first candidate. Update the number of votes cast in ArrVotes for that specific candidate. If 5 is selected then the vote count for the 5'* candidate must be increased (6) in ArrVotes. Display results-Button: Display the information in the arrays as follows: The names of the candidates with the number of votes must be displayed next to one another, as in the example. An @ sign must also be displayed for every vote cast. See screenshot below. Fulldames NumberofVoters ‘Dolphin Dolly i) ‘Glory Delaan 1 & Jameson Wiliam = 0 oS Kingdom Mary Lebagang Tso Mazwi Duduzile ‘Sibanda Eistine © @ @ oooow Zuza Cresta (13) TOTAL Question 2: 76 TOTAL for paper 150 Page 9