Terminals transmit packets by adding an identification code to their data and putting the message into an open time slot on a conveyor ... In case of error or loss, the central switching computer instructs the source TIU to retransmit the unacknowledged packets. ... Honeywell DDP224 a This machine serves the same user community as the SEL 86, and is equipped in a similar manner. ... February, 1975 53.
|Title||:||DATAMATION DP SALARY SURVEY JANUARY 1975|