Select one option which shows the data type of the variable mode in the algorithm shown in Figure 1.
Figure 1
1 mode ← USERINPUT
2 IF mode = 'focus' THEN
3 brightness ← 100
4 ELSE IF mode = 'relax' THEN
5 brightness ← 40
6 ELSE IF mode = 'night' THEN
7 brightness ← 10
8 ELSE
9 OUTPUT 'invalid mode'
10 ENDIF
11 FOR count ← 1 TO 3
12 IF brightness > 50 THEN
13 SET_LED('white')
14 ELSE
15 SET_LED('warm')
16 ENDIF
17 ENDFOR
Integer
String
Boolean
Real
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.