Understanding data communications /
Held, Gilbert, 1943-
Understanding data communications / Gilbert Held. - 7th ed. - New Delhi : Pearson Education, c2002. - xv, 765 p. : ill. ; 23 cm.
Includes bibliographical references and index.
8131708721 (alk. paper)
2001089583
Computer networks.
Data transmission systems.
TK5105 / H429 2002
004.6 / HEL
Understanding data communications / Gilbert Held. - 7th ed. - New Delhi : Pearson Education, c2002. - xv, 765 p. : ill. ; 23 cm.
Includes bibliographical references and index.
8131708721 (alk. paper)
2001089583
Computer networks.
Data transmission systems.
TK5105 / H429 2002
004.6 / HEL
