Data Transmission (Group 1)

Data is transmitted over several wires

Data is transmitted in both directions simultaneously.

Data is transmitted in both directions, but one direction at a time.

Data is transmitted in one direction only.

Easy use

Backwards incompatibility

Can only be used in some devices

Are prone to magnetic interference

“Overviews”

“Hops”

“Packets”

“Files”

Header

Payload

Trailer

Body

Yes

No

Parallel and Serial

Simplex

Half-Duplex and Full-Duplex

Simplex, Half-Duplex and Full-Duplex

Long distance communication

Short distance communication

Data is transmitted in one direction, one bit at a time, down a single wire

Data is transmitted in both directions, down multiple wire

Data is transmitted in one direction, multiple bits at a time, down multiple wires

Data is transmitted in both directions, down a single wire

True

False

2

3

4

5