Programming Construct Identification 1 (1 mark)
What programming construct is used in the code snippet shown below? for i 0 to 5 print(i) next i
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OCR (J277)
Programming Construct Identification 2 (1 mark)
What programming construct is used in the code snippet shown below? if temperature > 30: print(“It’s a hot day.”) else: print(“It’s not a hot day.”)
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Variables and Constants. (2 marks)
Consider a scenario where a program keeps track of the score of a game and the maximum possible score. Define what you would use as a variable and what as a constant, and explain your reasoning. a) What would you define as a variable? b) What would you define as a constant?
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Operators and Expressions. (3 marks)
Given the expression: 9 * (3 + x) > 50 a) What is the role of the parentheses in this expression? b) Explain what this expression represents. c) List the operators used in this expression.
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Describe the process of the Bubble Sort. (2 marks)
Describe the process of the Bubble Sort algorithm when applied to a set of numbers.
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Process of the Merge Sort Algorithm. (3 marks)
Explain how the Merge Sort algorithm sorts a dataset.
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Basic Explanation of Insertion Sort. (3 marks)
Describe the Insertion Sort process using a simple array of integers [8, 3, 5, 4] as an example. Explain how elements are sorted step-by-step.
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Identify the Search Algorithm (2 marks)
Review the pseudocode below and explain the type of search algorithm used: for i = 0 to (list.length) – 1 if list[i] == target then print(“Found at position”, i) break endif next i print(“Not found”)
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Applying a Binary Search Algorithm. (3 marks)
A list of student names sorted alphabetically: Alice, Bob, Charlie, David, Emma. Write the steps you would take to find the name “Emma” using a binary search.
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Algorithmic Thinking. (4 marks)
Explain how algorithmic thinking can be applied to improve the efficiency of a school’s registration system for new students. Consider aspects such as data collection, processing, and output.
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