O-LevelComputer ScienceData Representation2210/21 · May/June 2019 · Q26 Marks
Describe each of the following data types used in programming. In each case, give an example of a piece of data to illustrate your answer. Each example must be different. Char String Boolean
Mark scheme
Marking points from the official mark scheme (May/June 2019). The mark or mark type is shown in brackets.
- [6] Many possible answers, those given are examples only. 1 mark for each correct description and 1 mark for each correct example Char Description: A single character (from the keyboard) Example: A / # / 2 String Description: An (ordered) sequence of characters Example: Hello world / #123?Y / 234 78963 Boolean Description: A data type with two possible values Example: TRUE / FALSE
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