A. Hewlett-Packard, 1980
B. Epson, 1981
C. Laplink Traveling Software Inc, 1982
D. Tandy Model-200, 1985
A. Hewlett-Packard, 1980
B. Epson, 1981
C. Laplink Traveling Software Inc, 1982
D. Tandy Model-200, 1985
A . CRT+H B . CRT+I C . CRT+K D CRT+T