1.8 Number Systems Flashcards
1
Q
What number system does the computer use
A
Binary (a base 2 number system, only two values)
2
Q
What number system do we use
A
Denary (a base 10 number system, 10 values 0-9)
3
Q
Possible binary values
A
0 or 1
4
Q
Possible denary values
A
0-9
5
Q
Why is hexidecimal used
A
It’s used as shorthand for binary as it uses fewer characters to represent the same value which makes it less prone to mistakes when reading or writing it.
6
Q
Hexidecimal values
A
Base 16 number system
0-9 and A-F
(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E and F)
7
Q
What happens to double digit Hexidecimals?
A
Hexadecimal only uses single-character values. Double-digit numbers are converted into letters
