State the most suitable data type for the following variables used in the algorithm described in Figure 1.
diveDepth ← USERINPUT
diveCount ← USERINPUT
salinityPPT ← 35.0
systemAlert ← "Normal operations"
errorLog ← "Invalid sensor reading"
IF diveDepth > 200.5 THEN
IF diveCount >= 5 THEN
salinityPPT ← 34.15
OUTPUT salinityPPT
ELSE
OUTPUT systemAlert
ENDIF
ELSE
OUTPUT errorLog
ENDIF
| Variable identifier | Data type |
|---|---|
salinityPPT | |
systemAlert |
50 exam-style questions on AQA GCSE Computer Science Data types. Each one has a worked solution and a mark scheme showing where the marks go.