Practical data communications /
Rettke, Mari.
Practical data communications / Mari Rettke. - New York : Mitchell McGraw-Hill, c1990. - viii, 216 p. : ill. ; 28 cm.
Includes index.
0070676674
88062421
Data transmission systems--Programmed instruction.
Computer networks--Programmed instruction.
TK5105 / .R48 1990
384.3
Practical data communications / Mari Rettke. - New York : Mitchell McGraw-Hill, c1990. - viii, 216 p. : ill. ; 28 cm.
Includes index.
0070676674
88062421
Data transmission systems--Programmed instruction.
Computer networks--Programmed instruction.
TK5105 / .R48 1990
384.3