Computer Science · Oct / Nov 2023 · Paper 22 · Question 5
0478
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The question as text
Explain how variables and constants should be used when creating and running a program. [3]
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MP1
variables and constants should have meaningful identifiers MP2
…so that programmers/future programmers are able to understand their purpose
MP3
they are both used for data storage
MP4
constants store values that never change during the execution of a program // by example
MP5
variables contain values that have been calculated within the program / can change during the execution of the program // by example
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