What characterizes a hexadecimal number system?
1
The system uses 10 numerical digits and 6 alphabets – 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F
2
The system uses 6 numbers – 0, 1, 2, 3, 4, 5, 6
3
It is a numbering system with real numbers having up to 6 numbers to the right of a decimal point eg: 25.123456
4
The system uses 8 numerical digits and 4 alphabets – 0, 1, 2, 3, 4, 5, 6, 7, A, B, C, D
5
None of the above