Data Com Handout 1

Front

Data can flow in only one direction, from source to the sink

Back

Simplex Transmission

Front

data can flow in both direction but not simultaneously

Back

Half-Duplex Transmission

Front

Data can flow in both direction simultaneously

Back

Full-Duplex Transmission

Front

data is sent or received one after another; data bits are organized in specific order

Back

Serial Data Transmission

Front

data bits is transmitted as individual characters

Back

Asynchronous Transmission

Front

data is transmitted as large blocks at a time; organized as frames

Back

Synchronous Transmission

Front

Multiple data bits are transmitted over multiple channels at the same time

Back

Parallel Data Transmission

Front

a communication channel that carries the information from the sender to the receiver

Back

Transmission Media

Front

the transfer of information between two or more points are connected by an electrical conductor

Back

Guided Media

Front

two insulated copper wires that are typically 1mm think and twisted in helical form

Back

Twisted Pair