AS & A Level Computer Science (9618) — October–November 2023, Paper 23

8 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.

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Question 1 · 11 marks · Data types and structures

The following table shows four valid pseudocode assignment statements. Complete the table by giving the data type that should be used to declare the variable underlined in each…

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Question 2 · 9 marks · Algorithm design and problem-solving

An algorithm will output the index of the element with the smallest value. Draw a program flowchart to represent the algorithm. (A blank flowchart area is provided, pre-printed…

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Question 3 · 9 marks · Data types and structures

Complete the diagram to represent the state of the queue as shown above. (A blank table is provided with Array elements at indices 1 to 8 for the candidate to fill in, together…

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Question 4 · 7 marks · Programming

Write pseudocode for procedure RandList().

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Question 5 · 6 marks · Algorithm design and problem-solving

A global 1D array of integers contains four elements, which are assigned values as shown: Mix[1] ← 4 Mix[2] ← 2 Mix[3] ← 3 Mix[4] ← 5 A procedure Process() manipulates the values…

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Question 6 · 6 marks · Programming

A function TestNum() will take a six-digit string as a parameter. The function will test whether the string meets certain conditions and will return an integer value as follows:…

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Question 7 · 7 marks · Software development

Explain the meaning of the curved arrow symbol which begins and ends at Module-A().

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Question 8 · 20 marks · Programming

Write pseudocode for module ReceiveFile(). Module GetData() has already been written and must be used.

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