# Information Technology Grade 12 P1 November 2024 NSC Memo > Grade 12 Information Technology Paper 1 memorandum from the November 2024 NSC (Afrikaans), 33 pages. Read online or download the free PDF. - Page: https://www.hlayiso.com/library/information-technology-p1-nov-2024-mg-afr/3b36511e-0066-4d77-abbc-fae32cab5fc4 - Updated: 2026-10-29 - Subject: Information Technology - Grade: Grade 12 - Document type: Memorandum - Year: 2024 - Exam period: November 2024 NSC - Paper: 1 - Curriculum: CAPS - Pages: 33 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 P1 November 2024 NSC Memo](https://www.hlayiso.com/library/information-technology-p1-nov-2024-mg-afr/3b36511e-0066-4d77-abbc-fae32cab5fc4) ## About this document Information Technology · Grade 12 · November 2024 NSC · 2024. Memorandum. 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 NASIONALE SENIOR SERTIFIKAAT GRAAD 12 INLIGTINGSTEGNOLOGIE V1 NOVEMBER 2024 NASIENRIGLYNE PUNTE: 150 Hierdie nasienriglyne bestaan uit 33 bladsye. Kopiereg voorbehou Blaai om asseblief ### Page 2 Inligtingstegnologie/V1 2 DBE/November 2024 NSS – Nasienriglyne ALGEMENE INLIGTING: • Hierdie nasienriglyne moet as die basis vir die nasiensessie gebruik word. Dit is voorberei om deur nasieners gebruik te word. Daar word van alle nasieners verwag om 'n deeglike standaardiseringsvergadering by te woon om seker te maak dat die riglyne konsekwent geïnterpreteer en tydens die nasien van die leerders se werk toegepas word. • Let op dat leerders wat 'n alternatiewe korrekte oplossing as wat as voorbeeld van 'n oplossing in die nasienriglyne gegee word verskaf, volle krediet vir die relevante oplossing moet kry tensy die spesifieke instruksies in die vraestel nie gevolg is nie of die vereistes van die vraag nie nagekom is nie. • Bylae A, B, C en D (bladsy 3 tot 15) sluit die nasienriglyne vir elke vraag in. • Bylae E, F, G en H (bladsy 16 tot 33) bevat voorbeelde van oplossings vir Vrae 1 tot 4 in programmeringskode. • Kopieë van Bylae A, B, C, D en die opsomming van die leerder se punte (bladsy 3 tot 15) moet vir elke leerder gemaak word en tydens die nasiensessie voltooi word. Kopiereg voorbehou Blaai om asseblief ### Page 3 Inligtingstegnologie/V1 3 DBE/November 2024 NSS – Nasienriglyne BYLAE A VRAAG 1: NASIENRUBRIEK – ALGEMENE PROGRAMMERINGSVAARDIGHEDE SENTRUMNOMMER: EKSAMENNOMMER: MAKS. LEERDER- VRAAG BESKRYWING PUNTE PUNT 1.1.1 Knoppie [1.1 - Random] Genereer ewekansige getal ✓ van 5 tot 10 (beide waardes ingesluit in reeks) ✓ 4 edtQ1_1_1.Text := ✓ skakel getal om na String ✓ 1.1.2 Knoppie [1.1.2 - Round up] spnQ1_1_2.Value := ✓ Opgerond ✓ Ceil (NUMBER) 3 Round (NUMBER + 0.5) Floor (NUMBER) + 1 Trunc (NUMBER) + 1 Met konstante as parameter ✓ 1.2 Knoppie [1.2 - Surface area] Onttrek die hoogte en radius✓ uit die redigeerblokkies Omgeskakel na Float ✓ Bereken die oppervlakte A := PI * rR *✓ (rR + ✓ sqrt (✓ sqr(rR) + sqr(rH)✓)) Vertoon die oppervlakte in die etiket ✓ geformatteer tot 2 desimale plekke ✓ FormatFloat('0.00', A); 8 FloatToStrF(A, ffFixed, 10, 2); Format('%.f',[A]); AANVAAR ook Power(rR,2) in plaas van Sqr LET WEL: Hakkies moet korrek ingevoeg wees in die berekening. Kopiereg voorbehou Blaai om asseblief ### Page 4 Inligtingstegnologie/V1 4 DBE/November 2024 NSS – Nasienriglyne 1.3 Knoppie [1.3 - Read file] Verklaar veranderlikes vir die adres en slaapkamers ✓ AssignFile(tFile, 'Houses.txt') ✓ Reset(tFile) ✓ Lus deur die tekslêer met die regte voorwwarde ✓ Readln ✓ (tFile, adres-veranderlike ✓) Readln(tFile, slaapkamer-veranderlike) ✓ 9 Voeg die adres en slaapkamer saam met ‘n strepie ( - ) tussen die adres en slaapkamer✓ Vertoon afvoer in die 'rich edit' ✓ AANVAAR ook alternatiewe om uit lêer te lees: As onewe reëlnommer, stoor waarde in adres-veranderlike (2) As ewe reëlnommer, stoor waarde in slaapkamer- veranderlike (1) 1.4 Knoppie [1.4 - Add name] Onttrek die naam uit die kombinasielys ✓ Toets of ✓ die kontroleblokkie gemerk is ✓ Voeg naam by die reeds-betaal 'rich edit'-komponent ✓ Anders ✓ Voeg naam by die nie-betaal 'rich edit'-komponent ✓ 7 Verwyder die geselekteerde naam van die kombinasielys ✓ cmbQ1_4.DeleteSelected cmbQ1_4.Items.Delete(cmbQ1_4.ItemIndex) LET WEL: GEEN punt indien die item in die kombinasielys vervang word met ‘n leë string en nie verwyder word nie. Kopiereg voorbehou Blaai om asseblief ### Page 5 Inligtingstegnologie/V1 5 DBE/November 2024 NSS – Nasienriglyne 1.5 Knoppie [1.5 - Replace] Lus deur die string ✓ Toets of karakter NIE 'n spasie is NIE✓ Voeg karakter by wagwoord-veranderlike in omgekeerde volgorde✓ Vertoon wagwoord in memo ✓ Lus Indeks vanaf 1 tot lengte van wagwoord ✓ Indien Indeks MOD 3 = 0 ✓ Genereer ewekansige getal in reeks 1 tot 6 ✓ Vervang wagwoord-karakter by Indeks met ewekansige 9 karakter uit sCharacters✓ Vertoon opgedateerde wagwoord in memo ✓ Alternatief vir die eerste 3 punte: Gebruik lus om eers spasies te verwyder (1), dan lus (1) deur die veranderde string in omgekeerde volgorde (1) In die wagwoord gedeelte AANVAAR ook: • Lus-indeks vanaf 3 tot lengte van wagwoord • Genereer ewekansige waarde van 1 tot Length(sCharacter) TOTAAL AFDELING A: 40 Kopiereg voorbehou Blaai om asseblief ### Page 6 Inligtingstegnologie/V1 6 DBE/November 2024 NSS – Nasienriglyne BYLAE B VRAAG 2: NASIENRUBRIEK – DATABASISPROGRAMMERING SENTRUMNOMMER: EKSAMENNOMMER: MAKS. LEERDER- VRAAG BESKRYWING PUNTE PUNT 2.1 SQL-stellings 2.1.1 Knoppie [2.1.1 - Low population] SELECT * ✓ FROM tblLocations ✓ 3 WHERE Population < 200000 ✓ 2.1.2 Knoppie [2.1.2 - Runners United September runs] SELECT MarathonID, MarathonDate, Distance FROM tblMarathons ✓ WHERE Organiser = "Runners United" ✓ AND ✓ Month(MarathonDate) = 9 ✓ 4 AANVAAR ook: • Organiser LIKE "%Runners United%" • MarathonDate LIKE "%/09/%" • MID(MarathonDate,6,2) = 9 2.1.3 Knoppie [2.1.3 - Marathon locations] SELECT City & " - " ✓ & LEFT(Province,3) ✓ AS [Location] ✓ FROM tblLocations ✓ 4 AANVAAR ook: • + in die plek van & • Mid(Province, 1, 3) 2.1.4 Knoppie [2.1.4 - Add city] INSERT INTO tblLocations ✓ VALUES ✓ 4 (19,"Welkom","Free State",1198,423016)✓✓ (korrekte volgorde (1 punt), korrekte getal parameters (1 punt) Kopiereg voorbehou Blaai om asseblief ### Page 7 Inligtingstegnologie/V1 7 DBE/November 2024 NSS – Nasienriglyne 2.1.5 Knoppie [2.1.5 - City details] SELECT City, ✓ COUNT(City) ✓ AS NumMarathons, SUM(Prizemoney) AS [Total Prize Money] ✓ FROM tblMarathons , tblLocations✓ WHERE tblMarathons.LocationID = tblLocations.LocationID✓ 7 GROUP BY City ✓ HAVING SUM(Prizemoney) > 50000✓ AANVAAR ook: • Count(*) • Count('n Veldnaam)/ Count(tblLocations.LocationID) Subtotaal: 22 Kopiereg voorbehou Blaai om asseblief ### Page 8 Inligtingstegnologie/V1 8 DBE/November 2024 NSS – Nasienriglyne VRAAG 2: NASIENRUBRIEK (VERVOLG) 2.2 Databasismanipulasie 2.2.1 Knoppie [2.2.1 - Remove marathons] Gaan na die eerste rekord in tblMarathons ✓ Stap met lus (‘loop’) deur tblMarathons ✓ Toets of tblMarathons ['Organiser'] = sOrganiser ✓ 5 tblMarathons.Delete ✓ anders tblMarathons.Next ✓ End lus 2.2.2 Knoppie [2.2.2 - Qualifying events] Inisialiseer vlag / teller ✓ tblLocations.First (merk saam met tblLocations.next) ** ✓ Stap met lus ('loop') deur tblLocations ✓ Toets of tblLocations['City'] = sCity ✓ Verander vlag / inkrementeer teller ✓ tblMarathons.First (merk met tblMarathons.next) ** ✓ Stap met lus ('loop') deur tblMarathons ✓ Toets of (tblMarathons['LocationID'] = tblLocations['LocationID']) ✓ AND✓ (tblMarathons['Distance'] >= 40) ✓ Vertoon die MarathonName en Distance omgeskakel na ‘n string ✓ tblMarathons.Next Einde lus (tblMarathons) 13 tblLocations.Next Einde lus (tblLocations) Toets vlag / teller ✓ Vertoon boodskap wat aandui dat die stad nie gevind is nie ✓ LET WEL:** • Die FIRST- en NEXT-stellings van die buitenste lus (vir tblLocations) moet beide in die korrekte posisie wees vir een punt • Die FIRST- en NEXT-stellings van die binneste lus (vir tblMarathons) moet beide in die korrekte posisie wees vir een punt Subtotaal: 18 TOTAAL AFDELING B: 40 Kopiereg voorbehou Blaai om asseblief ### Page 9 Inligtingstegnologie/V1 9 DBE/November 2024 NSS – Nasienriglyne BYLAE C VRAAG 3: NASIENRUBRIEK – OBJEK-GEÖRIENTEERDE PROGRAMMERING SENTRUMNOMMER: EKSAMENNOMMER: MAKS. LEERDER- VRAAG BESKRYWING PUNTE PUNT 3.1.1 Konstruktor Create 3 . Ken die korrekte parameters toe aan die attribute 1 .fMarathonName en fRecordHolder ✓ 3 Ken die korrekte parameters toe aan fRecordDate en 2 fRecordTime ✓ Ken die korrekte parameter toe aan fDistance ✓ 3.1.2 Funksie getRecordTime Opskrif van funksie met string as terugstuur datatipe ✓ 2 Stuur fRecordTime terug ✓ 3.1.3 Funksie checkRecord 3 . Opskrif van funksie met Boolean terugstuur datatipe ✓met 1 .string parameter✓ Toets of parameterwaarde < fRecordTime ✓ 3 Stuur true terug ✓ Anders 5 Stuur false terug ✓ AANVAAR ook: • StrToTime and toMinutes to compare the times. • Toets of fRecordTime > parameterwaarde 3.1.4 Funksie calcPace Opskrif van funksie met reële terugstuurtipe ✓ 4 Stuur terug ✓ toMinute(fRecordTime) ✓ / fDistance ✓ 3.1.5 Funksie toString met string terugstuurtipe 3 . Opskrif van funksie met string as terugstuurtipe ✓ 1 .Bou string met streep, 'km:', 'on' en hakkies ✓ 5 Afstand omgeskakel na string ✓ 5 Bevat al die attribute ✓ Stuur die string terug ✓ Subtotaal: Objekklas 19 Kopiereg voorbehou Blaai om asseblief ### Page 10 Inligtingstegnologie/V1 10 DBE/November 2024 NSS – Nasienriglyne VRAAG 3: NASIENRUBRIEK (VERVOLG) MAKS. LEERDER VRAAG BESKRYWING PUNTE - PUNT 3.2.1 3Knoppie [3.2.1 - Instantiate object] . 2Afstand onttrek uit radiogroep: .Items by ItemIndex ✓ 1 Onttrek die afstand deur gebruik te maak van String- manipulering ✓omgeskakel na reël ✓ 8 objMRecord:= ✓ TMRecord✓ .create ✓ (marathon name, record holder, record date, record time, distance) ✓ Vertoon objek in redQ3 deur gebruik van toString-metode ✓ Alternatief om die afstand te onttrek: Gebruik if else / case (1) en ken afstand toe (1) 3.2.2 Knoppie [3.2.2 - Pace] Roep calcPace-metode ✓ Vertoon die resultaat in redQ3 omgeskakel na ‘n string ✓ 4 Geformatteer tot 3 desimale plekke ✓ met korrekte byskrif (min/km) ✓ 3.2.3 Knoppie [3.2.3 - Check record] Verkry naam en tyd van atleet uit redigeerblokkies ✓ As objMRecord.checkRecord ✓ (Tyd van atleet) ✓ Roep setRecordHolder (Name van atleet) ✓ Roep setRecordTime (Tyd van atleet) ✓ 9 Roep setRecordDate ✓ (Huidige datum as string) ✓ Vertoon met behulp van toString-metode ✓ Anders Vertoon huidige rekordtyd in redQ3 deur die getRecordTime-metode te roep ✓ Subtotaal Vormklas: 21 TOTAAL AFDELING C: 40 Kopiereg voorbehou Blaai om asseblief ### Page 11 Inligtingstegnologie/V1 11 DBE/November 2024 NSS – Nasienriglyne BYLAE D VRAAG 4: NASIENRUBRIEK – PROBLEEMOPLOSSING SENTRUMNOMMER: EKSAMENNOMMER: MAKS. LEERDER- VRAAG BESKRYWING PUNTE PUNT 4.1 Knoppie [4.1 - Count marathons] Buitenste lus van 1 tot 9 ✓ Inisialiseer teller✓ Binneste lus (buite + 1 tot 10) ✓ Toets array[buite] ✓= array[binne] ✓ en array[binne] <> simbool ✓ Inkrementeer teller ✓ vervang array[binne] met simbool soos bv ('*', ' ')✓ Indien array[buite] is NIE simbool wat gebruik is ✓ Vertoon array[buite] ✓ en teller omgeskakel na String✓ 11 Konsep 1: (Vervang duplikate wanneer tel) Stap met lus deur skikking (1) Inisialiseer teller (1) Lus begin by buitelus-teller + 1 (1) Toets array[buite] (1) = array[binne] (1) EN array[binne] <> simbool (1) Inkrementeer teller (1) Vervang met array[binne] met spasie of * of ander simbool (1) Indien array[buite] is NIE simbool wat gebruik is (1) Vertoon array[buite] (1) en teller omgeskakel na string (1) Kopiereg voorbehou Blaai om asseblief ### Page 12 Inligtingstegnologie/V1 12 DBE/November 2024 NSS – Nasienriglyne Konsep 2: (Skep lus (array/string) sonder duplikate) Bou string / vul skikking met unieke waardes [4] Inisialiseer teller en bFound (1) Buite en binne lusse (1) IF-stellings wat in toetse gebruik word (1) Toekenningstellings (1) Lus deur unieke waardes in Temp skikking en tel in arrMarathons skikking [5] Lus x deur tydelike skikking met unieke waardes / string (1) Inisialiseer iNumMarathons (1) Lus y deur arrMarathons (1) Toets of arrTemp[x] gelyk aan arrMarathons[y] (1) Inkrementeer iNumMarathons (1) Vertoon [2] Vertoon marathon se naam (1) en teller (1) Konsep 3: (Tydelike skikkings met unieke marathon name en teller waardes) Gebruik arrTempMarathons en arrCountMarathons Inisialiseer teller ** (1) met found := false Buite lus deur skikking (1) Stel bFound op FALSE ** Binne lus van 1 to teller (1) Toets arrMarathons[buite] = arrTempMarathons[binne] (1) Verander bFound na TRUE (1) Vermeerder arrCountMarathons[binne] (1) IF stelling bFound is FALSE (1) Vermeerder teller (1) Stel arrCountMarathons[teller] na 1 (1) ## Stel arrTempMarathons[teller] to rrMarathons[buite] ## Lus van 1 tot teller (1) Vertoon arrTempMarathons en arrCountMarathons (omgeskakel na heelgetal) (1) Kopiereg voorbehou Blaai om asseblief ### Page 13 Inligtingstegnologie/V1 13 DBE/November 2024 NSS – Nasienriglyne 4.2 Combobox [cmbQ4_2] Onttrek woord uit kombinasielys [1] Lees woord uit kombinasielys✓ Toets of woord in die ry voorkom [10] Lus deur rye 1 tot 14 ✓ Inisialiseer nuweString ✓ Lus kolomme 1 tot 14✓ Bou nuweString ✓ met karakters uit array[R,C] ✓ As nuweString = geselekteerde woord ✓ Bereken/Stel beginkolom-indeks ✓ Bereken eindkolom-indeks: Beginkolom-indeks✓+ lengte van woord ✓-1✓ 19 Vertoon die ry-nommer, begin- en eindkolom-indeks [3] Vertoon ry-nommer ✓ beginkolom ✓ en eindkolom ✓ Verander na hoofletters [4] Lus deur woord in 2D skikking beginkolom-indeks ✓ Eindkolom-indeks ✓ Verander karakter in 2D ✓ na hoofletter-karakter ✓ Vertoon 2D skikking [1] Roep vertoon metode ✓ Kopiereg voorbehou Blaai om asseblief ### Page 14 Inligtingstegnologie/V1 14 DBE/November 2024 NSS – Nasienriglyne Konsep 1: (Ry- en Kolomlusse – kopieër uit ry) Onttrek woord uit kombinasielys [1] Lees woord uit kombinasielys (1) Toets of woord in die ry voorkom [10] Lus iR van 1 tot 14 (1) Lus iC van 1 tot 14 (1) Toets of marathonnaam in ry iR is deur by kolom-indeks iC te begin (4) Bereken/Stel beginkolom-indeks van woord (1) Bereken eindkolom-indeks van woord (3) Vertoon die ry-nommer, begin- en eindkolom-indeks [3] Vertoon ry-nommer (1) beginkolom (1) en eindkolom (1) Verander na hoofletters [4] Lus van beginkolom-indeks (1) tot eindkolom (1) Verander karakter (1) na hoofletter-karakter (1) Vertoon 2D skikking [1] Roep vertoon metode (1) Konsep 2: (Ry – gebruik pos direk) Onttrek woord uit kombinasielys [1] Lees woord uit kombinasielys (1) Toets of woord in die ry voorkom [10] Ry lus van 1 tot 14 (1) Toets of marathonnaam in die ry is (4) Bereken beginkolom-indeks van woord (2) Bereken eindkolom-indeks van woord (3) Vertoon die ry-nommer, begin- en eindkolom-indeks [3] Vertoon ry-nommer (1) beginkolom (1) en eindkolom (1) Verander na hoofletters [4] Lus van beginkolom (1) tot eindkolom (1) Verander karakter (1) na hoofletter-karakter (1) Vertoon 2D skikking [1] Roep vertoon metode (1) TOTAAL AFDELING D: 30 Kopiereg voorbehou Blaai om asseblief ### Page 15 Inligtingstegnologie/V1 15 DBE/November 2024 NSS – Nasienriglyne OPSOMMING VAN LEERDER SE PUNTE: SENTRUMNOMMER: LEERDER SE EKSAMENNOMMER: AFDELING A AFDELING B AFDELING C AFDELING D GROOT- VRAAG 1 VRAAG 2 VRAAG 3 VRAAG 4 TOTAAL MAKS. 40 40 40 30 150 PUNTE LEERDER SE PUNTE Kopiereg voorbehou Blaai om asseblief ### Page 16 Inligtingstegnologie/V1 16 DBE/November 2024 NSS – Nasienriglyne BYLAE E: OPLOSSING VIR VRAAG 1 unit Question1_U; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ComCtrls, pngimage, ExtCtrls, Spin, math, jpeg; type TfrmQuestion1 = class(TForm) grpQ1_1: TGroupBox; grpQ1_2: TGroupBox; grpQ1_3: TGroupBox; grpQ1_4: TGroupBox; grpQ1_5: TGroupBox; btnQ1_1_1: TButton; btnQ1_1_2: TButton; edtQ1_1_1: TEdit; spnQ1_1_2: TSpinEdit; Label1: TLabel; Label2: TLabel; edtQ1_2_r: TEdit; edtQ1_2_h: TEdit; btnQ1_2: TButton; btnQ1_3: TButton; redQ1_3: TRichEdit; Label3: TLabel; chbQ1_4: TCheckBox; btnQ1_4: TButton; Label4: TLabel; Label5: TLabel; redQ1_4_P: TRichEdit; redQ1_4_NP: TRichEdit; btnQ1_5: TButton; cmbQ1_4: TComboBox; edtQ1_5: TEdit; lblQ1_2: TLabel; Image1: TImage; memQ1_5: TMemo; procedure btnQ1_1_1Click(Sender: TObject); procedure btnQ1_1_2Click(Sender: TObject); procedure btnQ1_2Click(Sender: TObject); procedure btnQ1_3Click(Sender: TObject); procedure btnQ1_4Click(Sender: TObject); procedure btnQ1_5Click(Sender: TObject); private { Private declarations } public { Public declarations } end; var frmQuestion1: TfrmQuestion1; implementation Kopiereg voorbehou Blaai om asseblief ### Page 17 Inligtingstegnologie/V1 17 DBE/November 2024 NSS – Nasienriglyne {$R *.dfm} // =========================================================================== // 1.1.1 Random 4 punte // =========================================================================== procedure TfrmQuestion1.btnQ1_1_1Click(Sender: TObject); begin edtQ1_1_1.Text := intToStr(randomRange(5, 11)); end; // =========================================================================== // 1.1.2 Random 3 punte // =========================================================================== procedure TfrmQuestion1.btnQ1_1_2Click(Sender: TObject); const NUMBER = 5.63247; begin spnQ1_1_2.Value := ceil(NUMBER); end; // =========================================================================== // 1.2 Surface area 8 punte // =========================================================================== procedure TfrmQuestion1.btnQ1_2Click(Sender: TObject); var rA, rH, rR: real; begin rH := StrToFloat(edtQ1_2_h.Text); rR := StrToFloat(edtQ1_2_r.Text); rA := PI * rR * (rR + Sqrt(Sqr(rH) + Sqr(rR))); lblQ1_2.Caption := FloatToStrF(rA, ffFixed, 8, 2); end; // =========================================================================== // 1.3 Read file 9 punte // =========================================================================== procedure TfrmQuestion1.btnQ1_3Click(Sender: TObject); var tFile: textfile; sAdd, sRooms: String; begin AssignFile(tFile, 'Houses.txt'); Reset(tFile); while NOT Eof(tFile) do begin readln(tFile, sAdd); readln(tFile, sRooms); redQ1_3.Lines.Add(sAdd + ' - ' + sRooms); end; CloseFile(tFile); end; Kopiereg voorbehou Blaai om asseblief ### Page 18 Inligtingstegnologie/V1 18 DBE/November 2024 NSS – Nasienriglyne // =========================================================================== // 1.4 Add name 7 punte // =========================================================================== procedure TfrmQuestion1.btnQ1_4Click(Sender: TObject); var sName: String; begin sName := cmbQ1_4.Text; if chbQ1_4.Checked then begin redQ1_4_P.Lines.Add(sName); end else begin redQ1_4_NP.Lines.Add(sName); end; cmbQ1_4.items.Delete(cmbQ1_4.ItemIndex); end; // =========================================================================== // 1.5 Replace 9 punte // =========================================================================== procedure TfrmQuestion1.btnQ1_5Click(Sender: TObject); var sNameSurname, sCharacters, sPassword: String; iCnt, iLen, iRandom: integer; begin // Provided code sNameSurname := edtQ1_5.Text; sCharacters := '@#$%^&'; // Add your code here sPassword := ''; iLen := Length(sNameSurname); for iCnt := iLen downto 1 do begin if sNameSurname[iCnt] <> ' ' then sPassword := sPassword + sNameSurname[iCnt]; end; memQ1_5.Lines.Add(sPassword); for iCnt := 1 to length(sPassword) do begin if(iCnt mod 3 = 0) then begin iRandom := random(6) + 1; sPassword[iCnt] := sCharacters[iRandom]; end; end; memQ1_5.Lines.Add(sPassword); end; end. Kopiereg voorbehou Blaai om asseblief ### Page 19 Inligtingstegnologie/V1 19 DBE/November 2024 NSS – Nasienriglyne BYLAE F: OPLOSSING VIR VRAAG 2 // =========================================================================== // 2.1 – Section: SQL statements // =========================================================================== // =========================================================================== // 2.1.1 Low population 3 punte // =========================================================================== procedure TfrmQuestion2.btnQ2_1_1Click(Sender: TObject); var sSQL1: String; begin // Question 2.1.1 sSQL1 := 'SELECT * ' + 'FROM tblLocations ' + 'WHERE Population < 200000'; // Provided code - do not change dbCONN.runSQL(sSQL1); end; // =========================================================================== // 2.1.2 Runners United September runs 4 punte // =========================================================================== procedure TfrmQuestion2.btnQ2_1_2Click(Sender: TObject); var sSQL2: String; begin // Question 2.1.2 sSQL2 := 'SELECT MarathonID, MarathonDate, Distance ' + 'FROM tblMarathons ' + 'WHERE Organiser = "Runners United" AND ' + 'Month(MarathonDate) = 9'; // Provided code - do not change dbCONN.runSQL(sSQL2); end; // =========================================================================== // 2.1.3 Marathon locations 4 punte // =========================================================================== procedure TfrmQuestion2.btnQ2_1_3Click(Sender: TObject); var sSQL3: String; begin // Question 2.1.3 sSQL3 := 'SELECT City & " - " & left(Province,3) AS [Location] ' + 'FROM tblLocations '; // Provided code - do not change dbCONN.runSQL(sSQL3); end; Kopiereg voorbehou Blaai om asseblief ### Page 20 Inligtingstegnologie/V1 20 DBE/November 2024 NSS – Nasienriglyne // =========================================================================== // 2.1.4 Add city 4 punte // =========================================================================== procedure TfrmQuestion2.btnQ2_1_4Click(Sender: TObject); var sSQL4: String; bValid: boolean; begin // Question 2.1.4 sSql4 := 'INSERT INTO tblLocations VALUES (19,"Welkom","Free State",1198,423016)'; // Provided code - do not change dbCONN.ExecuteSQL(sSQL4); end; // =========================================================================== // 2.1.5 High prize money 7 punte // =========================================================================== procedure TfrmQuestion2.btnQ2_1_5Click(Sender: TObject); var sSQL5: String; bChanged: boolean; begin // Question 2.1.5 sSQL5 := 'SELECT City, COUNT(City) AS [NumMarathons], SUM(Prizemoney) AS [Total Prize Money] ' + 'FROM tblMarathons , tblLocations ' + 'WHERE tblMarathons.LocationID = tblLocations.LocationID ' + 'GROUP BY City HAVING SUM(Prizemoney) > 50000'; // Provided code - do not change dbCONN.runSQL(sSQL5); end; Kopiereg voorbehou Blaai om asseblief ### Page 21 Inligtingstegnologie/V1 21 DBE/November 2024 NSS – Nasienriglyne // =========================================================================== // 2.2 – Section: Delphi code // =========================================================================== // =========================================================================== // 2.2.1 Remove marathons 5 punte // =========================================================================== procedure TfrmQuestion2.btnQ2_2_1Click(Sender: TObject); var sOrganiser: String; begin // Provided code sOrganiser := InputBox('Organiser', 'Enter the name of the organiser to remove', 'Endurance Sports SA'); // Question 2.2.1 tblMarathons.First; while NOT tblMarathons.Eof do begin if tblMarathons['Organiser'] = sOrganiser then tblMarathons.Delete else tblMarathons.Next; end; end; // =========================================================================== // 2.2.2 Qualifying events 13 punte // =========================================================================== procedure TfrmQuestion2.btnQ2_2_2Click(Sender: TObject); var sCity: String; bFound: boolean; iLocation: Integer; begin // Provided code sCity := InputBox('City', 'Enter the name of the city', 'Paarl'); // Question 2.2.2 bFound := False; tblLocations.First; while (NOT tblLocations.Eof) AND (bFound = False) do begin if tblLocations['City'] = sCity then begin bFound := True; iLocation := tblLocations['LocationID']; end; tblLocations.Next; end; if bFound then begin tblMarathons.First; Kopiereg voorbehou Blaai om asseblief ### Page 22 Inligtingstegnologie/V1 22 DBE/November 2024 NSS – Nasienriglyne while NOT tblMarathons.Eof do begin if (tblMarathons['LocationID'] = iLocation) AND (tblMarathons['Distance'] >= 40) then begin redQ2_2_2.Lines.Add(tblMarathons['MarathonName'] + #9 + FloatToStr(tblMarathons['Distance'])); end; tblMarathons.Next; end end else redQ2_2_2.Lines.Add(sCity + ' is not found.'); // Alternative: { bFound := False; tblLocations.First; while NOT tblLocations.Eof do begin if tblLocations['City'] = sCity then begin bFound := True; tblMarathons.First; while NOT tblMarathons.Eof do begin if (tblMarathons['LocationID'] = tblLocations['LocationID']) AND (tblMarathons['Distance'] >= 40) then begin redQ2_2_3.Lines.Add(tblMarathons['MarathonName'] + #9 + FloatToStr(tblMarathons['Distance'])); end; tblMarathons.Next; end; end; tblLocations.Next; end; if bFound = False then redQ2_2_3.Lines.Add(sCity + ' is not found.'} end; // ================================================================ // {$REGION 'Provided code: Setup DB connections - DO NOT CHANGE!'} // ================================================================ procedure TfrmQuestion2.bmbRestoreDBClick(Sender: TObject); begin // Restores the Database dbCONN.RestoreDatabase; redQ2_2_2.Clear; dbCONN.SetupGrids(dbgLocations, dbgMarathons, dbgrdSQL); end; procedure TfrmQuestion2.FormClose(Sender: TObject; var Action: TCloseAction); begin // Disconnects from database and closes all open connections Kopiereg voorbehou Blaai om asseblief ### Page 23 Inligtingstegnologie/V1 23 DBE/November 2024 NSS – Nasienriglyne dbCONN.dbDisconnect; end; procedure TfrmQuestion2.FormCreate(Sender: TObject); begin // Provided code redQ2_2_2.Paragraph.TabCount := 2; redQ2_2_2.Paragraph.Tab[0] := 150; redQ2_2_2.Paragraph.Tab[1] := 300; end; procedure TfrmQuestion2.FormShow(Sender: TObject); begin // Sets up the connection to database and opens the tables. dbCONN := TConnection.Create; dbCONN.dbConnect; tblLocations := dbCONN.tblOne; tblMarathons := dbCONN.tblMany; dbCONN.SetupGrids(dbgLocations, dbgMarathons, dbgrdSQL); pgcDBAdmin.ActivePageIndex := 0; end; // ================================================================ // {$ENDREGION} // ================================================================ end. Kopiereg voorbehou Blaai om asseblief ### Page 24 Inligtingstegnologie/V1 24 DBE/November 2024 NSS – Nasienriglyne BYLAE G: OPLOSSING VIR VRAAG 3 Objekklas: unit MRecord_U; interface type TMRecord = class(TObject) private var fMarathonName: String; fRecordHolder: String; fRecordDate: String; fRecordTime: String; fDistance: real; public // Provide code constructor create(sMarathonName, sRecordHolder, sRecordDate, sRecordTime: String; rDistance: real); procedure setRecordHolder(sName: String); procedure setRecordTime(sNewRecord: String); procedure setRecordDate(sNewDate: String); function toMinutes(sTime: String): real; function getRecordTime: String; function checkRecord(sRecordTime: String): boolean; function calcPace: real; function toString: String; end; implementation uses SysUtils, Math; { TMRecord } // =========================================================================== // 3.1.1 Constructor Create 3 punte // =========================================================================== constructor TMRecord.create(sMarathonName, sRecordHolder, sRecordDate, sRecordTime: String; rDistance: real); begin fMarathonName := sMarathonName; fRecordHolder := sRecordHolder; fDistance := rDistance; fRecordDate := sRecordDate; fRecordTime := sRecordTime; end; Kopiereg voorbehou Blaai om asseblief ### Page 25 Inligtingstegnologie/V1 25 DBE/November 2024 NSS – Nasienriglyne // =========================================================================== // 3.1.2 Function getRecordTime 2 punte // =========================================================================== function TMRecord.getRecordTime: String; begin Result := fRecordTime; end; // =========================================================================== // 3.1.3 Function checkRecord 5 punte // =========================================================================== function TMRecord.checkRecord(sRecordTime: String): boolean; begin Result := sRecordTime < fRecordTime; { Alternative: if sRecordTime < fRecordTime then Result := True Else Result := False; } end; // =========================================================================== // 3.1.4 Function calcPace 4 punte // =========================================================================== function TMRecord.calcPace: real; begin Result := toMinutes(fRecordTime) / fDistance; end; // =========================================================================== // 3.1.5 Function toString 5 punte // =========================================================================== function TMRecord.toString: String; begin Result := fMarathonName + ' - ' + FloatToStr(fDistance) + ' km: ' + fRecordHolder + ' (' + fRecordTime + ' on ' + fRecordDate + ')'; end; // =========================================================================== // Provided code // =========================================================================== procedure TMRecord.setRecordHolder(sName: String); begin fRecordHolder := sName; end; procedure TMRecord.setRecordTime(sNewRecord: String); begin fRecordTime := sNewRecord; end; Kopiereg voorbehou Blaai om asseblief ### Page 26 Inligtingstegnologie/V1 26 DBE/November 2024 NSS – Nasienriglyne procedure TMRecord.setRecordDate(sNewDate: String); begin fRecordDate := sNewDate; end; function TMRecord.toMinutes(sTime: String): real; var rMin: real; begin rMin := StrTofloat(copy(sTime, 4, 2)); rMin := rMin + StrToFloat(copy(sTime, 1, 2)) * 60; rMin := rMin + StrToFloat(copy(sTime, 7, 2)) / 60; Result := rMin; end; end. Kopiereg voorbehou Blaai om asseblief ### Page 27 Inligtingstegnologie/V1 27 DBE/November 2024 NSS – Nasienriglyne Hoofvormeenheid: unit Question3_U; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, CheckLst, ExtCtrls, Buttons, Spin, ComCtrls, jpeg, pngimage; type TfrmQuestion3 = class(TForm) gbxQ3_2_1: TGroupBox; gbxQ3_2_2: TGroupBox; redQ3: TRichEdit; btnQ3_2_1: TButton; gbxQ3_2_3: TGroupBox; btnQ3_2_3: TButton; Panel1: TPanel; Panel2: TPanel; btnQ3_2_2: TButton; Label6: TLabel; edtQ3_2_1_Marathon: TEdit; Label2: TLabel; Label1: TLabel; edtQ3_2_1_RecordHolder: TEdit; Label3: TLabel; Label4: TLabel; Label5: TLabel; edtQ3_2_1_RecordTime: TEdit; rgpQ3_2_1: TRadioGroup; Label7: TLabel; edtQ3_2_3_Name: TEdit; edtQ3_2_3_Time: TEdit; Image1: TImage; edtQ3_2_1_RecordDate: TEdit; procedure btnQ3_2_1Click(Sender: TObject); procedure btnQ3_2_3Click(Sender: TObject); procedure btnQ3_2_2Click(Sender: TObject); private public end; var frmQuestion3: TfrmQuestion3; implementation {$R *.dfm} uses MRecord_U; var objMRecord: TMRecord; Kopiereg voorbehou Blaai om asseblief ### Page 28 Inligtingstegnologie/V1 28 DBE/November 2024 NSS – Nasienriglyne // =========================================================================== // 3.2.1 Instantiate object 8 punte // =========================================================================== procedure TfrmQuestion3.btnQ3_2_1Click(Sender: TObject); var sMarathonName, sRecordHolder, sRecordDate, sRecordTime: String; rDistance: real; sDistance: String; begin // Provided code redQ3.Clear; sMarathonName := edtQ3_2_1_Marathon.Text; sRecordHolder := edtQ3_2_1_RecordHolder.Text; sRecordDate := edtQ3_2_1_RecordDate.Text; sRecordTime := edtQ3_2_1_RecordTime.Text; // Question 3.2.1 sDistance := rgpQ3_2_1.Items[rgpQ3_2_1.ItemIndex]; rDistance := StrToFloat(Copy(sDistance, 1, Pos(' ', sDistance) - 1)); objMRecord := TMRecord.create(sMarathonName, sRecordHolder, sRecordDate,sRecordTime, rDistance); redQ3.lines.Add(objMRecord.toString); end; // =========================================================================== // 3.2.2 Pace 4 punte // =========================================================================== procedure TfrmQuestion3.btnQ3_2_2Click(Sender: TObject); begin // Provided code redQ3.Clear; // Question 3.2.2 redQ3.lines.Add('Record holder''s pace:'+ FloatToStrF(objMRecord.calcPace, ffFixed, 8, 3) + ' min/km'); end; // =========================================================================== // 3.2.3 Check record 9 punte // =========================================================================== procedure TfrmQuestion3.btnQ3_2_3Click(Sender: TObject); var sName, sTime: String; begin // Provided code redQ3.Clear; // Question 3.2.3 sName := edtQ3_2_3_Name.Text; sTime := edtQ3_2_3_Time.Text; Kopiereg voorbehou Blaai om asseblief ### Page 29 Inligtingstegnologie/V1 29 DBE/November 2024 NSS – Nasienriglyne if objMRecord.checkRecord(sTime) then begin objMRecord.setRecordHolderName(sName); objMRecord.setRecordTime(sTime); objMRecord.setRecordDate(DateToStr(Date())); redQ3.lines.Add(objMRecord.toString); end Else begin redQ3.lines.Add ('The current record remains: ' + objMRecord.getRecordTime); end; end; end. Kopiereg voorbehou Blaai om asseblief ### Page 30 Inligtingstegnologie/V1 30 DBE/November 2024 NSS – Nasienriglyne BYLAE H: OPLOSSING VIR VRAAG 4 unit Question4_u; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, ExtCtrls, StdCtrls, ComCtrls, Buttons, pngimage; type TfrmQ4_1 = class(TForm) pgcQ4: TPageControl; tshQ4_1: TTabSheet; tshQ4_2: TTabSheet; redQ4_1: TRichEdit; btnQ4_1: TButton; pnlQ4_1Heading: TPanel; redQ4_2: TRichEdit; cmbQ4_2: TComboBox; pnlQ4_2Heading: TPanel; btnReset: TBitBtn; memQ4_2: TMemo; imgQ4_1: TImage; Label1: TLabel; Label2: TLabel; Label3: TLabel; procedure btnQ4_1Click(Sender: TObject); procedure display2D; procedure FormCreate(Sender: TObject); procedure cmbQ4_2Change(Sender: TObject); procedure btnResetClick(Sender: TObject); private { Private declarations } public { Public declarations } end; var frmQ4_1: TfrmQ4_1; iCheck: Integer = 0; arrMarathons: array [1 .. 10] of String = ( 'Wally Hayward Marathon', 'Sasol Marathon', 'Soweto Marathon', 'Jacaranda City Marathon', 'Sasol Marathon', 'Durban City Marathon', 'Soweto Marathon', 'Soweto Marathon', 'Wally Hayward Marathon', 'Soweto Marathon' ); Kopiereg voorbehou Blaai om asseblief ### Page 31 Inligtingstegnologie/V1 31 DBE/November 2024 NSS – Nasienriglyne arrChar: array [1 .. 14, 1 .. 14] of char = (('u', 'x', 'v', 'm', 's', 'a', 's', 'o', 'l', 'f', 'k', 'j', 't', 'r'), ('u', 'm', 'g', 'e', 'n', 'i', 'w', 'a', 't', 'e', 'r', 'd', 's', 'e'), ('g', 'v', 'o', 'e', 't', 'v', 'a', 'n', 'a', 'f', 'r', 'i', 'k', 'a'), ('e', 'p', 'o', 'y', 'i', 'l', 'c', 'k', 'h', 'j', 's', 'd', 'f', 'd'), ('n', 'k', 'n', 'y', 's', 'n', 'a', 'f', 'o', 'r', 'e', 's', 't', 'u'), ('i', 's', 'y', 'd', 'b', 'c', 'r', 'g', 'h', 'k', 'c', 's', 'a', 'r'), ('w', 'a', 'l', 'l', 'y', 'h', 'a', 'y', 'w', 'a', 'r', 'd', 's', 'b'), ('a', 's', 'q', 'r', 't', 'n', 'n', 'j', 'h', 'e', 'r', 't', 'h', 'a'), ('t', 'o', 'e', 'r', 'y', 'b', 'd', 'r', 'h', 'k', 'l', 'g', 'd', 'n'), ('e', 'j', 'a', 'c', 'a', 'r', 'a', 'n', 'd', 'a', 'c', 'i', 't', 'y'), ('r', 'y', 'j', 'f', 'g', 'f', 'c', 'f', 'g', 'u', 'h', 'v', 'c', 'i'), ('k', 'h', 'h', 'l', 'p', 'h', 'i', 'l', 'l', 'c', 'r', 'e', 's', 't'), ('a', 'd', 'e', 'v', 'd', 's', 'o', 'w', 'e', 't', 'o', 'm', 'k', 'y'), ('p', 'd', 'u', 'r', 'b', 'a', 'n', 'c', 'i', 't', 'y', 'z', 'c', 'l')); implementation {$R *.dfm} // =========================================================================== // 4.1 Count marathons 11 punte // =========================================================================== procedure TfrmQ4_1.btnQ4_1Click(Sender: TObject); var iOut, iIn, iNumMarathons: Integer; begin for iOut := 1 to 10 do begin iNumMarathons := 1; for iIn := iOut + 1 to 10 do begin if (arrMarathons[iOut] = arrMarathons[iIn]) and (arrMarathons[iIn] <> '') then begin inc(iNumMarathons); arrMarathons[iIn] := ''; end; end; if arrMarathons[iOut] <> '' then redQ4_1.Lines.Add(arrMarathons[iOut] + #9 + IntToStr(iNumMarathons)); end; end; Kopiereg voorbehou Blaai om asseblief ### Page 32 Inligtingstegnologie/V1 32 DBE/November 2024 NSS – Nasienriglyne // =========================================================================== // 4.2 Find hidden marathons 19 punte // =========================================================================== procedure TfrmQ4_1.cmbQ4_2Change(Sender: TObject); var iOut, iIn, iLen, iR, iC, iC2, iPos: Integer; sWord, sNewWord1, sNewWord2: String; bFound: boolean; begin bFound := false; sWord := cmbQ4_2.Text; iLen := Length(sWord); for iOut := 1 to 14 do begin for iIn := 1 to 14 do begin iR := iOut; iC := iIn; if sWord[1] = arrChar[iOut, iIn] then begin sNewWord2 := ''; while (iC <= 14) AND (bFound = false) do begin sNewWord2 := sNewWord2 + arrChar[iR, iC]; if sNewWord2 = sWord then begin bFound := true; memQ4_2.Text := 'Row ' + IntToStr(iR) + ' @ column ' + IntToStr(iIn) + ' to ' + IntToStr (iIn + iLen - 1); // iC - iLen + 1); for iC2 := iC downto iC - iLen + 1 do arrChar[iR, iC2] := upCase(arrChar[iR, iC2]); display2D; end; inc(iC); end; end; end; end; end; //=========================================================================== // Provided code - Do not change //============================================================================ = procedure TfrmQ4_1.display2D; var iOut, iIn: Integer; sOut: string; begin redQ4_2.Clear; for iOut := 1 to 14 do begin Kopiereg voorbehou Blaai om asseblief ### Page 33 Inligtingstegnologie/V1 33 DBE/November 2024 NSS Nasienriglyne sOut := sOut + #9 + IntToStr(iOut); end; redQ4_2.Lines.Add('' + #9 + sOut + #13); for iOut := 1 to 14 do begin sOut := #13 + IntToStr(iOut) + #9; for iIn := 1 to 14 do begin if iCheck = 1 then Begin arrChar[iOut, iIn] := lowercase(arrChar[iOut, iIn] + '')[1]; sOut := sOut + #9 + arrChar[iOut, iIn]; End else sOut := sOut + #9 + arrChar[iOut, iIn]; end; redQ4_2.Lines.Add(sOut); end; iCheck := 0; end; procedure TfrmQ4_1.FormCreate(Sender: TObject); var iOut, iIn: Integer; sOut: String; begin pgcQ4.ActivePageIndex := 0; // Q4.2 redQ4_2.Clear; redQ4_2.Paragraph.TabCount := 15; redQ4_2.Paragraph.Tab[0] := 20; redQ4_2.Paragraph.Tab[1] := 40; redQ4_2.Paragraph.Tab[2] := 60; redQ4_2.Paragraph.Tab[3] := 80; redQ4_2.Paragraph.Tab[4] := 100; redQ4_2.Paragraph.Tab[5] := 120; redQ4_2.Paragraph.Tab[6] := 140; redQ4_2.Paragraph.Tab[7] := 160; redQ4_2.Paragraph.Tab[8] := 180; redQ4_2.Paragraph.Tab[9] := 200; redQ4_2.Paragraph.Tab[10] := 220; redQ4_2.Paragraph.Tab[11] := 240; redQ4_2.Paragraph.Tab[12] := 260; redQ4_2.Paragraph.Tab[13] := 280; redQ4_2.Paragraph.Tab[14] := 300; display2D; end; procedure TfrmQ4_1.btnResetClick(Sender: TObject); Var i: Integer; begin iCheck := 1; display2D; end; end. 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