Complete the trace table for the subroutine call scale(150).
You may not need to use all the rows in the table.
SUBROUTINE scale(x)
p ← x
q ← 3
REPEAT
p ← p DIV 3
q ← q * 2 + 1
UNTIL p < 4
OUTPUT q
ENDSUBROUTINE
| x | p | q | OUTPUT |
|---|---|---|---|
| 150 | |||
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.