Complete the trace table for the algorithm shown below.
You may not need to use all the rows in the table.
1 sensors ← ['Zone A', 'Zone B', 'Zone C']
2 data ← [1.5, 2.0, -9.9, 3.5, 4.0, -9.9, 5.5, 6.0, -9.9]
3 total ← 0.0
4 FOR i ← 0 TO 2
5 sensor ← sensors[i]
6 OUTPUT 'Sensor: ', sensor
7 FOR j ← 0 TO 1
8 OUTPUT j + 1
9 val ← data[i * 3 + j]
10 OUTPUT val
11 total ← total + val
12 ENDFOR
13 ENDFOR
| total | i | sensor | j | val |
|---|---|---|---|---|
208 exam-style questions on AQA GCSE Computer Science Representing algorithms. Each one has a worked solution and a mark scheme showing where the marks go.