Communication:
The action of conveying a message
from one entity to another.

Sender:
The sender is responsible for creating the message, and expressing it in a language.

Actions performed:

Creating the message

From information

Transmitter:
The transmitter is responsible for putting the message on the meduim, wich is then known as the signal.

Actions performed:

Turining the message into a signal

Transmitting the signal

Message:
The message is the contents of the communications.

Consist of:

Information

Arguments

Satements

Premesis

Concepts

Ideas

Experiential / Experience Based

Perfect Ideal

Conclusion

Perscriptive

Qualitative / Descriptitive

Commands

Control Signals

YES / I

NO / 0

Control Statements

Conditional Control Stements

IF

THEN

WHEN

WHILE

Data

Numerical

Signal:
The signal is the message, represented by mesurable physical phenomena, on the media.

Media:
The media is the physical path or substance the the message, expressed as a signal, travels through.

Electromagnetic

Radio Communication Systems

WiMax

Satellite

WiFi:
IEEE 802.11a/b/g/n

UHF

AM

FM

Radar

Wired Communication Systems

Copper

Unsheilded Twisted Pair (UTP)

CAT 3

CAT 5

CAT 5e

Sheilded Twisted Pair (STP)

CAT 6

Fibre Optic

Receiver:
The receiver is responsible for receiving the signal from the medium and translating it into a message.

Recipient:
The recipient is responsibe for taking the message from the receiver, and deciding what to do with it. This involves Acknowldgement and Processing.

Session

QoS

Security

The sender crreates the message.

The transmitter turns the message into a signal and puts it on the medium.

The medium affects the signal.

The signal is received by the reciever, which then proceeds to change it into the message.

The receipient receives the message and decides what to do with it, such as processing and acknolodgement.

Direct Communication

Unicast

Multicast

Broadcast

Indirect Communication

Routed