Information Technology Reference
In-Depth Information
Decimal
Hexadecimal
Binary
0
0
0
1
1
01
2
2
10
3
3
11
4
4
100
5
5
101
6
6
110
7
7
111
8
8
1000
9
9
1001
10
A
1010
11
B
1011
12
C
1100
13
D
1101
14
E
1110
15
F
1111
16
10
10000
17
11
10001
18
12
10010
19
13
10011
20
14
10100
Figure 3.2 Decimal.to.hex.to.binary.conversion.table.
ideas. of. bits. and. bytes. and. nibbles.. Notice. anything. about.
those.sets.of.numbers?.Yes,.I.bet.all.of.you.smart.people.are.
way.ahead.of.me—eight.bits.in.a.byte,.four.bits.in.a.nibble—
a.base-16.notation.system.gives.you.a.nice.way.to.represent.
those.nibbles.one.at.a.time,.thus.shortening.the.notation.you.
need.to.use.for.programming.
Did.you.notice.in.Figure 3.2.that.the.end.of.the.base-16.
hexadecimal. characters. corresponds. nicely. with. the. end. of.
the. four. character. strings. in. the. binary. code?. Guess. what.
that. means. to. those. hungry. engineers. when. they. need. a.
