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Data types

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Question 25

State the most suitable data type for the following variables used in the algorithm described in Figure 1.

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 identifierData type
salinityPPT
systemAlert
[2]
Markscheme

Data types Questions

  1. GCSE
  2. /Computer Science
  3. /Data types

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.

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