O-LevelComputer ScienceData Representation2210/11 · May/June 2024 · Q24 Marks
Hypertext markup language (HTML) colour codes can be represented as hexadecimal.
- (a)Tick (✔) one box to show which statement about the hexadecimal number system is incorrect. A It uses the values 0 to 9 and A to F. B It can be used as a shorter representation of binary. C It is a base 10 system. D It can be used to represent error codes.[1]
- (b)Denary numbers can be converted to hexadecimal. Convert the three denary numbers to hexadecimal. 20 32 165 Working space[3]
Mark scheme
Marking points from the official mark scheme (May/June 2024). The mark or mark type is shown in brackets.
- [1] 2(a) C
- [3] 2(b) 14, 20, A5
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