Computer Science · May / June 2023 · Paper 1 TZ1 HL · Question 4
IBCS
As printed in the paper
The question as text
4. Sensors that take readings of the levels of different pollutants have been installed at a number of sites along a river. Each reading is sent to a central computer, where it is processed and analysed.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
4(a)[1]
4(b)[3]
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