Computer Networking
The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver

can send or receive data one at a time
can receive and send data simultaneously
can do one way data transmission only
None of these
cannot talk at once

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Computer Networking
Terminals are required for

None of these
realtime, timesharing, and message switching
realtime, batch processing, and timesharing
realtime, timesharing, and distributed processing
realtime, distributed processing, and manager inquiry

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