Computer Science · Oct / Nov 2025 · Paper 22 · Question 5

This flowchart represents an algorithm. START STOP IS LENGTH(Code) = 4 ? IS Store = FALSE ? IS Count > 6 ? IS CodeStore[Count] = Code ? IS CodeStore[Count] = "" ? INPUT Code OUTPUT "Code used before" OUTPUT "CodeStore full" OUTPUT "Length must be 4" Store FALSE Store TRUE CodeStore[Count] Code Count Count + 1 Count 1 No No No No Yes No Yes Yes Yes Yes

Read automatically from the paper; the printed page above is exact.