# Information Technology Grade 12 GAU Prelim 2021 QP > Grade 12 Information Technology question paper from the GAU Prelim 2021, 22 pages. Read online or get the free PDF download, memo linked when available. - Page: https://www.hlayiso.com/library/itp1-prelim2021-qpaper/1f2ff707-dcb0-438d-9a10-b67bec973a19 - Updated: 2026-09-27 - Subject: Information Technology - Grade: Grade 12 - Document type: Question paper - Year: 2021 - Exam period: GAU Prelim - Curriculum: CAPS - Pages: 22 Breadcrumbs: [Home](https://www.hlayiso.com/) › [Library](https://www.hlayiso.com/library) › [Grade 12](https://www.hlayiso.com/library/grade-12) › [Information Technology](https://www.hlayiso.com/library/grade-12/information-technology) › [Information Technology Grade 12 GAU Prelim 2021 QP](https://www.hlayiso.com/library/itp1-prelim2021-qpaper/1f2ff707-dcb0-438d-9a10-b67bec973a19) ## About this document Information Technology · Grade 12 · GAU Prelim · 2021. Question paper, 22 pages. Read online or download the PDF. Read it free online on the page above; download the PDF from there. ## Document text Text extracted from the PDF. Layout, diagrams and tables may not survive extraction. ### Page 1 Downloaded from hlayiso.com PRELIMINARY EXAMINATION GRADE 12 INFORMATION TECHNOLOGY P1 AUGUST 2021 MARKS: 150 TIME: 3 hours ### Page 2 Downloaded from hlayiso.com Information Technology/P1 2 Preliminary Examination 2021 This question paper consists of 22 pages and 2 data pages. INSTRUCTIONS AND INFORMATION 1. This question paper is divided into FOUR sections. Candidates must answer ALL the questions in ALL FOUR sections. 2. The duration of this examination is three hours. Because of the nature of this examination it is important to note that you will not be permitted to leave the examination room before the end of the examination session. 3. This question paper is set with programming terms that are specific to the Delphi programming language. 4. Ensure that you answer the questions according to the specifications that are given in each question. Marks will be awarded according to the set requirements. 5. Answer only what is asked in each question. For example, if the question does not ask for data validation, then no marks will be awarded for data validation. 6. Your programs must be coded in such a way that they will work with any data and not just the sample data supplied or any data extracts that appear in the question paper. 7. Routines, such as search, sort, and selection, must be developed from first principles. You may NOT use the built-in features of Delphi for any of these routines. 8. All data structures must be defined by you, the programmer, unless the data structures are supplied. 9. You must save your work regularly on the CD/DVD/flash disk you have been given, or on the disk space allocated to you for this examination session. 10. Make sure that your name and surname appears as a comment in every program that you code, as well as on every event indicated. 11. If required, print the programming code of all the programs/classes that you completed. You will be given half an hour printing time after the examination session. 12. At the end of this examination session you must hand in a CD/DVD/ flash disk with all your work saved on it OR you must make sure that all your work has been saved on the disk space allocated to you for this examination session. Ensure that all files can be read. Please turn over ### Page 3 Downloaded from hlayiso.com Information Technology/P1 3 Preliminary Examination 2021 13. The files that you need to complete this question paper have been given to you on the CD/DVD/flash disk or on the disk space allocated to you. The files are provided in the form of password-protected executable files NOTE: Candidates must use the file DataPrelim2021.exe. Do the following: • Double click on the password-protected executable file. • Click on the extract button. • Enter the following password: S@nb!2021NGO Once extracted, the following list of files will be available in the folder DataSept2021: SUPPLIED FILES: Question 1: Question 3: Question1_u.pas Question3_u.pas Question1_u.dfm Question3_u.dfm Question1_p.res Question3_p.res Question1_p.dproj Question3_p.dproj Question1_p.dpr Question3_p.dpr GreenBicycle.jpg Question3_p.dpr clsCarWash_u.pas Question 4: Question 2: Question4_U.pas ConnectDB_U.pas Question4_U.dfm Question2_P.dpr Question4_P.res Question2_P.dproj Question4_P.dproj Question2_P.res Question4_P.dpr Question2_U.dfm Question2_U.pas Ship.ico VolunteersDB.mdb VolunteersDB_Backup.mdb Please turn over ### Page 4 Downloaded from hlayiso.com Information Technology/P1 4 Preliminary Examination 2021 SECTION A QUESTION 1: GENERAL PROGRAMMING SKILLS SCENARIO: 'BreadCycling' is a business that delivers bread to your door. Instead of the customer going to buy bread at the store. The purpose of this company is to sell the bread at normal bread prices and charge a delivery fee of R5. Do the following: • Open the incomplete project file Question1_p in the Question 1 folder. • Enter your name and surname as a comment in the first line of the Question1_u file. Compile and execute the program. The program currently has no functionality. The following user interface is displayed when the program is executed: Complete the code for each section of Question 1, as described in Question 1.1 to Question 1.3 that follows. Please turn over ### Page 5 Downloaded from hlayiso.com Information Technology/P1 5 Preliminary Examination 2021 The following form variables have already been declared: sOrderNumber: string; // the order number rAmountPay: real; // the amount to be paid iCountCustomers: integer; // the number of customers rTotalAmount: real; // the total amount collected for the day sName: string = 'BreadCycling'; // the name of the business 1.1 BUTTON [Place Order] A customer must enter his personal details to register for bread delivery. The contact number is mandatory. Write Delphi code to do the following: 1.1.1 Test whether the user has entered a contact number. • Extract the contact number from the given component if the contact number has been entered. • If the contact number has not been entered, an appropriate message must be displayed AND the focus must be placed on the edtContact component. (5) 1.1.2 a) Declare constants for the bread prices: Best of Both: R13.75 Superior Bread (white or brown): R15.50 Ultima Seeded: R17.50 b) Determine the cost for the order according to the type of bread selected from the combo box. c) Extract the number of loaves ordered from the given component. d) Calculate the amount to be paid (rAmountPay) for an order using the following formula: Amount payable = Type of bread price x Quantity of bread + R5 for delivery. (9) 1.1.3 Determine a check digit (iControlNumber) by calculating the sum of all the digits in the even positions of the contact number. Divide the sum by 11 (eleven) and round the answer down to the closest integer. E.g. If the contact number is 0829612852, the check digit will be calculated as follows: (8 + 9 + 1 + 8 + 2) / 11 = 28/11 = 2. (7) 1.1.4 Generate an order number as follows: • The first two characters of the business name (sName) in lower case. • The value of the check digit stored in iControlNumber. • The '/' symbol. • The system date on which the order was received. (7) Please turn over ### Page 6 Downloaded from hlayiso.com Information Technology/P1 6 Preliminary Examination 2021 1.1.5 a) Display the order number in the edtOrderNumber component. b) Displays the amount payable in the edtPay component as a currency with two decimal places. c) Change the colour of the gbxRegister from red to green. d) Change the picture of the man on the bike imgCourier to the picture named GreenBicycle.jpg. (6) Example of display: 1.2 BUTTON [Next Order] 1.2.1 Make the gbxAdmin group box visible. (1) 1.2.2 Add the amount of the new order to be paid to the value of the rTotalAmount variable. (1) 1.2.3 Increment the number of client variables (iCountCustomers) by 1. (1) Please turn over ### Page 7 Downloaded from hlayiso.com Information Technology/P1 7 Preliminary Examination 2021 1.3 BUTTON [Admin] Display the following information in the redOutput component: • The total amount of money received for the day. • The total number of customers / deliveries for the day. Example of output after the first customer’s delivery of 3 Superior Bread White/Brown loaves: Example of output after the second customer’s delivery of 5 Ultima Seeded loaves: 3) TOTAL SECTION A: 40 Please turn over ### Page 8 Downloaded from hlayiso.com Information Technology/P1 8 Preliminary Examination 2021 SECTION B QUESTION 2: SQL and DATABASE PROGRAMMING ‘Mercy Ships’ is a non-profit organisation that uses hospital ships to deliver free healthcare services to those who don’t have proper access to healthcare, in different parts of the world. The ships that the organisation uses are crewed by volunteers who represent over 60 nations, with an average of over 1200 volunteers each year. Professionals including dentists, nurses, teachers, cooks, engineers and many others donate their time and skills. The VolunteersDB.mdb database contains information about the different volunteer positions that are available on the Mercy Ships. The data pages attached at the end of this question paper provide information on the design of the database and the content of the tables. Do the following: ● Open the incomplete Question2_p.dpr program in the folder Question 2. ● Enter your name and surname as a comment on the first line of the Question2_u.pas file. ● Compile and execute the program. The program currently has no functionality. ● Complete the code for each question as described in QUESTION 2.1 and QUESTION 2.2. NOTE: ● Code to connect with the Access database has been provided – do not change any given code. ● Question 2.2 will make use of the ADOTables tblShips and tblJobs. These tables have been declared as global variables as shown below. ● You can click the Restore button once to restore the database to its original state. 2.1 TAB SHEET [Q2.1 – SQL] Complete the SQL code to meet the requirements specified in QUESTION 2.1.1 to QUESTION 2.1.5. NOTE: Insert your SQL instruction in the provided code between the ‘ ‘. Code has been provided to execute the SQL instruction. Please turn over ### Page 9 Downloaded from hlayiso.com Information Technology/P1 9 Preliminary Examination 2021 2.1.1 BUTTON [2.1.1 – List of jobs] Display ALL the data of volunteer jobs in the tblJobs table, sorted according to the job field and secondly according to number of months (Period field), in descending order. Example of the output of the first few records: (4) 2.1.2 BUTTON [2.1.2 – Surgeons] Display the Job and Startdate for all surgeon volunteer jobs in the table tbljobs. Example of the output for first few records: (4) 2.1.3 BUTTON [2.1.3 – Ships start 30 July 2022] Display the ship, country and job for all volunteer jobs that start on 30 July 2022. Example of the output for first few records: (4) Please turn over ### Page 10 Downloaded from hlayiso.com Information Technology/P1 10 Preliminary Examination 2021 2.1.4 BUTTON [2.1.4 – Average per Department] Display the average number of months of volunteer service (Period field) for each department. Display the months, to the nearest integer, with an appropriate heading Example of the output for first few records: (4) 2.1.5 BUTTON [2.1.5 – Total Allowance] The allowance field contains the amount, in Dollars, that a volunteer will be paid per month for living expenses such as food and toiletries. Calculate and display how much, in Rand, a volunteer would be given in total over the full period that they volunteer, if they volunteered for the Marine Deck department. Use the exchange rate of $1 = R14.09 Display the Job and the calculated field using the field name Rands, formatted as currency. Example of the output for first few records: (4) Please turn over ### Page 11 Downloaded from hlayiso.com Information Technology/P1 11 Preliminary Examination 2021 2.2 DATABASE MANIPULATION TAB SHEET [Q2.2 ADO Tables] Select the tab sheet, which displays the following GUI when executed: NOTE: • The use of the filter-, sort- and locate- methods will not earn any marks. Write all code from first principles. • NO marks will be allocated for the use of SQL statements in QUESTION 2.2. • The names of the tables to be used in your code are tblShips and tblJobs. Complete the code to meet the requirements specified in QUESTION 2.2.1 to QUESTION 2.2.3. Please turn over ### Page 12 Downloaded from hlayiso.com Information Technology/P1 12 Preliminary Examination 2021 2.2.1 BUTTON [2.2.1 - Crew Capacity] Write code to do the following: • Allow the user to select a ship’s name (Ship) in the tblShips DBGrid. • Count the number of volunteer jobs that exist in tblJobs for the ship selected in the tblShips DBGrid. (a record with the ship’s ID indicates that the job is on that ship) • Determine whether the selected ship has enough Crew Capacity for all the jobs. • If the ship has enough capacity, display the number of jobs with a suitable message, in the richedit redQ2. • If the ship does not have enough capacity, display a message stating this in redQ2. Example of the message if Atlantic Mercy is the active record and it has enough capacity: Example of the message if Caribbean Mercy is selected thereafter and it does not have enough capacity: (12) 2.2.2 BUTTON [Q2.2.2 – Delete position] Write code to do the following Delete the last record in tblJobs. Example of the last few records in the tblJobs table which shows that the last record has been deleted from the table: (2) Please turn over ### Page 13 Downloaded from hlayiso.com Information Technology/P1 13 Preliminary Examination 2021 2.2.3 BUTTON [Q2.2.3 – Add new position] Write code to do the following: Add a new volunteer position to tblJobs according to the following information: Job: Deck Hand Department: Marine Deck Ship: the current active record in the tblShips table Period: 12 Allowance: 150 Startdate: 1 year from the date the program is executed. NOTE: The information that needs to be added to the table has been provided as comments in the code. Example of the last few records in the tblJobs table which shows that the record has been added to the table successfully: NOTE: The ID may be different depending on how many changes have been made to the table, and the date will also be different from the example. (6) TOTAL SECTION B: 40 Please turn over ### Page 14 Downloaded from hlayiso.com Information Technology/P1 14 Preliminary Examination 2021 SECTION C QUESTION 3: OBJECT ORIENTED PROGRAMMING SCENARIO: A non-profit NGO named Wishy Washy needs your help in completing a program that focuses on raising funds for a school. This NGO assists any volunteers of a school with car wash projects. Do the following: ● Open the incomplete Question3_p program in the folder Question 3. ● Open the incomplete class unit clsCarWash_u in the folder Question 3. ● Enter your name and surname as a comment on the first line of the Question3_u.pas and the clsCarWash_u.pas. ● Compile and execute the program. The program currently has limited functionality. The following user interface is displayed with limited functionality: NOTE: ● Do not remove any of the comments given in the class or main form units unless instructed to do so. ● Do not change any of the given code in the class or main form unit. ● Do not add any other methods than those asked in this question. Please turn over ### Page 15 Downloaded from hlayiso.com Information Technology/P1 15 Preliminary Examination 2021 3.1 The provided incomplete object class (TCarWash) contains the declaration of TWO attributes which describe a CarWash object. The attributes for a CarWash object class have been declared as follows: ● fCarType – the type of vehicle the customer has e.g. Car, Bakkie or Truck. ● fWashType – a zero, one or two for the type of car wash the customer needs e.g. Quick wash; wash and vacuum or wash, vacuum and tyre shine. The following methods have been provided: ● StartingWashPrice – Basic starting fee for a car wash based on the type of vehicle. ● CalcWashType – Returns the result of a type of wash (Quick wash; Wash and vacuum or Wash, vacuum and tyre shine). ● ValidRegistration – An auxiliary method which returns a boolean result indicating whether or not a vehicle registration number is valid or not (must have 8 characters with the last two digits representing one of the 9 provinces of SA). ● ToString – used to provide output of all attributes of the object. NOTE: NOT COMPLETED! Complete the code in the object class (clsCarWash_u) as described in QUESTION 3.1.1 to QUESTION 3.1.5. 3.1.1 Add an attribute called fCarReg. This attribute will contain a vehicle registration number (for example ‘FP49FCGP’) (2) 3.1.2 Declare and complete a constructor method called CREATE which will assign the car and wash type parameters to the relevant attributes. Assign an empty string to the car registration attribute. (3) 3.1.3 Write a mutator method called setRegistration, which will receive the vehicle registration number as a string attribute and assign it to the relevant attribute. (3) 3.1.4 An incomplete auxiliary method called DetermineCost has been provided. Study the following table. Quick Wash and Wash, vacuum & wash vacuum tyre shine Car R40.00 R40.00 + R20 = R40.00 + R40 = R60.00 R80.00 Bakkie R50.00 R50.00 + R20 = R50.00 + R40 = R70.00 R90.00 Truck R80.00 R80.00 + R20 = R80.00 + R40 = R100.00 R120.00 Write code for this method in order to determine the cost for any given car wash. NOTE: Make use of the StartingWashPrice auxiliary method supplied in the class unit. (3) Please turn over ### Page 16 Downloaded from hlayiso.com Information Technology/P1 16 Preliminary Examination 2021 3.1.5 Complete the ToString method in order to provide the following structured output: Wash Type: Car Type: Registration: <(Valid/Invalid)> Cost: NOTE: Make use of the ValidRegistration method within your ToString method in order to provide the validity after the vehicle registration number was provided. Remove the two commented lines as indicated in the ValidRegistration method. (5) 3.2 An incomplete program has been supplied in the Question3 folder. The program contains code for the object class to be accessible and declares, with class scope, an object variable called objCarWash. Write code to perform the tasks described in QUESTION 3.2.1 and QUESTION 3.2.2. 3.2.1 BUTTON [Question 3.2.1] Code has been provided to ensure that the user chooses an option from the combobox (cbxCarType). Write code to do the following: ● Clear the component called redDisplay. ● Instantiate the objCarWash object variable with the associating input values from the radiogroup and combobox components provided. ● Make use of the input from the user for the vehicle registration and call the mutator method, setRegistration, for the registration number. Note that there are no spaces in a registration number. ● Call the ToString method and display a car wash session’s information in redDisplay. Please turn over ### Page 17 Downloaded from hlayiso.com Information Technology/P1 17 Preliminary Examination 2021 EXAMPLE of correct outputs: (6) 3.2.2 BUTTON [Question 3.2.2] A text file with car wash data for the Gauteng High School has been recorded in Gauteng.txt with the following structure: ###... For example: Thandi#11#12#13#11#11#13#11#12#13#22#11#11# Description of information Name of learner: Thandi First wash: Car Type 1 (Car) with Wash Type 1 (Quick wash) Second wash: Car Type 1 (Car) with Wash Type 2 (Wash & vacuum) And so on… NOTE: Some learners wash more cars/bakkies/trucks than others! Write code to do the following: ● Add code to test whether Gauteng.txt exists. If it does not, ensure code is added to show a suitable message and terminate the program. (3) ● Read through the file and do the necessary text file processing to extract the name of each learner followed by their car type(s) and (6) wash type(s). ● Use these extracted values to instantiate a car wash object for each car type and wash within a structured loop until each learner has no (3) more car wash entries (separated by #) left. ● Make use of existing methods to determine the total income each (1) learner generates from washing these cars. ● Write code in to display each learner’s name followed by their total earnings for washing their own number of vehicles in redResults. (2) Please turn over ### Page 18 Downloaded from hlayiso.com Information Technology/P1 18 Preliminary Examination 2021 ● Finally, add code in order to determine and display the following: (3) o The TOTAL FUNDS RAISED. o TOP PERFORMER’s name with most funds raised. TOTAL SECTION C: 40 Please turn over ### Page 19 Downloaded from hlayiso.com Information Technology/P1 19 Preliminary Examination 2021 SECTION D QUESTION 4: PROBLEM-SOLVING PROGRAMMING SCENARIO: Somebody collected raw financial data from six NPO’s (Non Profit Organisations), in terms of their budget allocations to salaries, operational costs and actual pay-out to the beneficiaries. He needs your help to process and display the data and info. Do the following: ● Open the incomplete program in your Question4_p in your Question 4 folder. ● Enter your name and surname as a comment in line 1 of the Question4_u.pas file. ● Compile and execute the program. The program currently has no functionality ● Complete the code for this program as required in Questions 4.1 to 4.2 below. ● Where applicable, please use the variables iRow and iCol as array indexes. Three globally / form declared arrays are given: arrNGOs : the names of the six NPO’s being investigated arrBudget : captions for five budget posts (R Salaries, R OpCosts, R Beneficiary, R Total and % to Benef) arrData: raw financial data for salaries, operational costs and amount allocated to beneficiaries, as collected for each NPO 4.1 BUTTON [4.1 - Display budget] Write code to display the budget information for the six NPO’s in matrix format as shown below. (7) Please turn over ### Page 20 Downloaded from hlayiso.com Information Technology/P1 20 Preliminary Examination 2021 4.2 BUTTON [4.2 – Calculations] Button • Calculate and display the total budget for each NPO by adding the Salaries, Opcosts and Amount for each Beneficiary. • Calculate the % for Benef. with the following formula and store it in the provided array arrPerc and display the values in the stringrid: (9) Beneficiary amount / Budget Total *100 4.3 BUTTON [4.3 – Report] Write code to determine and display the following in the redReport component:: ● The average % that the six NPO’s spent on beneficiaries (% to Benef.) (6) ● The name of the NPO which donated the highest percentage of its budget to beneficiaries. (4) ● The number of NPO’s where the % to Benef is higher than the NPOs’ average percentage. (4) TOTAL SECTION D: [30] GRAND TOTAL: 150 Please turn over ### Page 21 Downloaded from hlayiso.com Information Technology/P1 Addendum A Preliminary Examination 2021 QUESTION 2: DATABASE INFORMATION DESIGN OF DATABASE TABLES: The records contained in tblShips consist of the following fields: ● ID – a unique field with six-character identification code (text data type) which is the primary key (PK) ● Ship – Name of the ship (text data type) ● CrewCapacity – Number of crew members the ship can accommodate (integer data type) ● Captain – Name of ship’s captain (text data type) ● Port – Name of the port that the ship docks at (text data type) ● Country – The country in which the port is located (text data type) Example of data from tblShips table: The records contained in tblJobs consist of the following fields: ● ID – unique index code for each volunteer job listing (autonumber data type) starting from 1 (PK) ● Job – Job description (text data type) ● Department – Division of the ship that the job falls into (text data type) ● ShipID – Six-character identification code (text data type) which is the foreign key (FK) reference to tblShips ● Period – Length of time in months that the volunteer needs to be available for the job (integer data type) ● Allowance – Monthly living allowance paid for the position in Dollars (currency data type) ● Startdate – Date that the volunteer position starts (Date/Time data type) Please turn over ### Page 22 Downloaded from hlayiso.com Information Technology/P1 Addendum A Preliminary Examination 2021 Example of data from tblJobs table: The ID field in tblships has been used to link to tblJobs using the ShipID field. 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