Structured Programming: past paper questions

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• Question 5May/June 2026, paper 21Structured5 marks

  Electric light bulbs are advertised online with the price showing: $1.75 each or 20 bulbs for $30.00 A pseudocode function BulbCost() • takes the quantity of bulbs purchased as its single parameter • returns the total cost in dollars.

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• Question 6Oct/Nov 2025, paper 22Structured7 marks

  A string function Compare() will compare two strings.

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• Question 2Oct/Nov 2024, paper 21Structured6 marks

  2 A program uses three global integer variables HH, MM and SS to represent the current time in hours, minutes and seconds using the 24-hour clock notation. Midnight would be represented as 00:00:00 (HH:MM:SS).

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• Question 4Oct/Nov 2023, paper 21Structured9 marks

  A global array is declared in pseudocode as follows: DECLARE Data : ARRAY[1:150] OF STRING A function TooMany() will: 1. take two parameters: • a string (the search string) • an integer (the maximum value) 2.

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• Question 6May/June 2026, paper 21Structured12 marks

  Fence parts are manufactured by a number of similar machines. The length of the part must fall within a certain range. Parts not within the length range are rejected.

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• Question 7Oct/Nov 2025, paper 22Structured6 marksHas a diagram

  The structure chart shows part of a program design: Explain the meaning of the curved arrow symbol in this structure chart.

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• Question 4Oct/Nov 2024, paper 21Structured10 marks

  4 A program includes the following assignment statement: Result ← STR_TO_NUM(x) / STR_TO_NUM(y) When the program evaluates the expression in the statement, it performs a calculation. Variable Result is of type real and variables x and y are of type string.

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• Question 6Oct/Nov 2023, paper 21Structured9 marks

  The pseudocode OUTPUT command starts each output on a new line. A new procedure MyOutput() will take a string and a Boolean parameter.

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• Question 5May/June 2026, paper 22Structured10 marks

  5 A programmer has defined a global 1D array Numbers of type INTEGER, which can store 1000 integers. The lower bound of the array Numbers is set to 1. Each element of the array has been initialised with a random integer in the range 200 to 99999.

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• Question 8Oct/Nov 2025, paper 22Structured18 marks

  A program is being developed to manage student book loans from a college library. The programmer has defined a record type to define each loan.

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• Question 7Oct/Nov 2024, paper 21Structured7 marksHas a diagram

  7 A program contains six modules with headers as follows: | Pseudocode module header | | :--- | | PROCEDURE Connect() | | FUNCTION Activate(H1 : STRING, Code…

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• Question 8Oct/Nov 2023, paper 21Structured19 marks

  A class of students are developing a program to send data between computers. Many computers are connected together to form a wired network. Serial ports are used to connect one computer to another.

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• Question 6May/June 2026, paper 22Structured18 marks

  6 A program is being developed to encrypt a message. The following terms are used in the encryption technique to be used: | term | definition | |---|---| | plain text | The original message before it is encrypted. | | cipher text | The encrypted version of the plain text.

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• Question 1Oct/Nov 2025, paper 23Structured10 marks

  A user requires a program that implements complex data encryption to a recognised international standard. A programmer has started the design of the program. The programmer decides to use a library routine to provide part of the solution.

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• Question 8Oct/Nov 2024, paper 21Structured15 marks

  8 An exam paper has a maximum of 75 marks. One of five pass grades (A to E) is assigned, depending on the mark obtained. The lowest mark for a given grade is known as the grade boundary.

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• Question 6Oct/Nov 2023, paper 22Structured9 marks

  A procedure CreateFiles() will take two parameters: • a string representing a file name • an integer representing the number of files to be created.

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• Question 5May/June 2026, paper 23Structured11 marks

  Data is stored about people who have attended a job interview. Each interview is held at one of three office locations.

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• Question 7May/June 2025, paper 21Structured18 marks

  A program is being developed to implement a customer loyalty scheme for a coffee shop.

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• Question 2Oct/Nov 2024, paper 22Structured9 marks

  A program is being developed to process bank card information. When a card number is displayed, all the characters except the last four are replaced with the asterisk character '*'. Card numbers are stored as strings.

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• Question 7Oct/Nov 2023, paper 22Structured6 marksHas a diagram

  A program contains six modules: Pseudocode module header PROCEDURE Module-A() PROCEDURE Module-X(T1 : INTEGER, S2 : REAL) PROCEDURE Reset(BYREF Code : INTEGER)…

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• Question 8May/June 2026, paper 23Structured19 marksHas a diagram

  A warehouse stores stock in bins. A bin is a container which stores the stock items; each bin can store many identical items. The warehouse is organised on three different levels – level 0 (ground level), then level 1 and level 2.

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• Question 1May/June 2025, paper 23Structured14 marks

  A program is being developed for the management of a sports centre. The programmer developing the software decides to use modules (procedures or functions) and local variables. They also decide not to use global variables.

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• Question 4Oct/Nov 2024, paper 22Structured6 marks

  A global integer variable Tick is always incremented every millisecond (1000 times per second) regardless of the other programs running. The value of Tick can be read by any program but the value should not be changed. Assume that the value of Tick does not overflow.

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• Question 4Oct/Nov 2023, paper 23Structured7 marks

  A procedure RandList() will output a sequence of 25 random integers, where each integer is larger than the previous one. Write pseudocode for procedure RandList().

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• Question 3May/June 2025, paper 23Structured7 marks

  A programmer has been asked to create a module RollDice() to simulate multiple rolls of a dice. This module will be used as part of a program for a game.

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• Question 6Oct/Nov 2024, paper 23Structured7 marks

  In some countries, on the third Sunday in March, daylight saving time begins when clocks move forward by one hour. A module AdjustClock() will take an integer parameter representing a year.

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• Question 6Oct/Nov 2023, paper 23Structured6 marks

  A function TestNum() will take a six-digit string as a parameter.

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• Question 6May/June 2025, paper 23Structured9 marksHas a diagram

  Study the structure chart: Some of the parameter data types are: • R and V are of type INTEGER • T is of type REAL • U is of type STRING • W is of type BOOLEAN. Some of the modules in the structure chart are functions, others are procedures.

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• Question 8May/June 2024, paper 12Structured10 marks

  A programmer uses an Integrated Development Environment (IDE) to write a computer program.

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• Question 7Oct/Nov 2023, paper 23Structured7 marksHas a diagram

  A structure chart shows the modular structure of a program: [Structure Chart showing Module-A() calling Sub-Y1() with parameter T1, calling Sub-Y2() with…

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