O-LevelComputer ScienceData Representation2210/12 · Oct/Nov 2019 · Q32 Marks
The data from a sensor must be converted from analogue to digital to be processed by a computer.
- (a)State what is meant by analogue data.[1]
- (b)State what is meant by digital data.[1]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2019). The mark or mark type is shown in brackets.
- [1] (a) One from: Continuous data / by description; Non-discrete data / by description; By example, e.g. data such as a sound wave
- [1] (b) One from: Discrete data that has only two values; By example, e.g. binary data / 1’s and 0’s
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