LTPE-UG-1017-01 Issue 1
Appendix A - Binary and Hexadecimal Numbers
UTU-731 List 1 and UTU-732 List 1
February 15, 2001
71
H
EXADECIMAL
N
UMBERS
Hexadecimal is a base-16 numbering system that uses the numbers
0 through 9 and the letters A through F. The letter A is equivalent to decimal
10, and F is equivalent to decimal 15. On the other hand, the letters AA are
equivalent to decimal 170, and FF is equivalent to decimal 255.
Hexadecimal is used to express binary values where four or more binary
digits are present. For example, when expressing the binary value established
by an eight-position DIP switch, the hexadecimal digit on the right expresses
the value of switch positions 1 through 4, and the hexadecimal digit on the
left expresses the value of switch positions 5 through 8.
Decimal, binary, and hexadecimal equivalents are shown in
Table 29.
Decimal, Binary, and Hexadecimal Equivalents
Decimal
8-Digit Binary
Hexadecimal
0
0000 0000
00
1
0000 0001
01
2
0000 0010
02
3
0000 0011
03
4
0000 0100
04
5
0000 0101
05
6
0000 0110
06
7
0000 0111
07
8
0000 1000
08
9
0000 1001
09
10
0000 1010
0A
11
0000 1011
0B
12
0000 1100
0C
13
0000 1101
0D
14
0000 1110
0E
15
0000 1111
0F
16
0001 0000
10
17
0001 0001
11
Continued