QCE Digital Solutions Unit 4: Decomposing a data exchange problem
Students break a problem into inputs, processes, outputs and storage, and into sub-problems that are built as functions and modules and tested separately.
One content description from the full QCE Digital Solutions Unit 4 — Complex Digital Data Exchange Problems and Solution Requirements journey. All 9 modules below are in that journey too, with the same content — add just these to a class, or the whole strand.
Modules (9)
1
Splitting a scenario into inputs, processes, outputs and storage
2
Decomposing a problem into sub-problems
3
Decomposing a problem into a hierarchy chart
4
Input-process-output (IPO) chart
5
Procedures versus functions
6
Functions calling other functions
7
Program structure with a main() function
8
Creating Modules (.py files to import)
9
Why decomposition helps: testing each part separately
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