Computer systems, sub-systems and decomposition
4 past-paper questions on Computer systems, sub-systems and decomposition · examined 2021–2025.
20252 questions
Tick (✓) one box to complete the description of abstraction. Abstraction is part of the analysis stage of the development life cycle. Abstraction means A testing the solution to the problem. B writing a program using program code. C defining the sub-systems that make up the problem. D removing details from the problem that are not relevant.
A fence measuring 2 metres in height and 20 metres in length needs painting. The area of the fence needs to be calculated so that enough paint for the job is purchased. After the task is decomposed, there are three component parts: input, process and output. Three component parts and four example descriptions are shown. Draw one line from each component part to the most appropriate relevant description. Not all descriptions will be used.
20241 question
Tick (✓) one box to show a method used to construct a solution to a problem.
20211 question
Explain why you chose this loop structure.
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