10 2
11 12 3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
16 16 19
17 17 20
21
2 22
18 18 23
24
19 19 25
26
3 OS LAN OS 27
28
PDAPersonal Digital Assistant 29
30
3 31
20 20 32
33
21 21 34
22 22 35
23 23 36
21 37
38