O-LevelComputer ScienceData Representation2210/21 · May/June 2022 · Q24 Marks
Tick (✔) one box in each row to identify the most appropriate data type for each description. Only one tick (✔) per column.
- (a)a single character from the keyboard multiple characters from the keyboard only one of two possible values only whole numbers any number[4]
Mark scheme
Marking points from the official mark scheme (May/June 2022). The mark or mark type is shown in brackets.
- [4] Four marks for five correct rows
- Three marks for four correct rows
- Two marks for three correct rows
- One marks for two correct rows
- Description Boolean Char Integer Real String
- a single character from the keyboard ✔
- multiple characters from the keyboard ✔
- only one of two possible values ✔
- only whole numbers ✔
- any number ✔
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