84
-2 86
83
84
85
83
84
86
CS2 85
IBM- 84
18
61
58
22
19
Microsoft Windows 3.1
41
S-DOS
76
57
#2 81
81
IBM #1 82
IBM #2 82
IBM 83
81
27
38, 68
O
27
2
, 15, 20
63
18
5
43
Windows 44
49
28
18
15
76
15
74
72