A denary value can be converted into hexadecimal and binary.

Mark scheme

Marking points from the official mark scheme (May/June 2021). The mark or mark type is shown in brackets.

1. [1] Denary 49: Hexadecimal 31
2. [1] Denary 49: 8-bit binary 00110001
3. [1] Denary 123: Hexadecimal 7B
4. [1] Denary 123: 8-bit binary 0111011
5. [1] Denary 200: Hexadecimal C8
6. [1] Denary 200: 8-bit binary 11001000
7. [1] Easier/quicker to read/write/understand
8. [1] Easier/quicker to identify errors/debug
9. [1] Takes up less screen/display space
10. [1] Less chance of making an error
11. [1] MAC address
12. [1] URL
13. [1] Assembly language
14. [1] Error codes // error messages
15. [1] IP addresses
16. [1] Locations in memory
17. [1] Memory dumps