# Computer - Channel

A channel is a device that conveys a digital bit stream, from:

• one or several senders (or transmitters)
• to one or several receivers.

The term channel has two different meanings

1. the whole medium that carries a signal between the transmitter and the receiver.
2. or a subdivision of this medium in order to send multiple streams of information simultaneously (Multiplexing)

A physical Channel refers either to:

## 3 - Properties

### 3.2 - Capacity

A channel as any device has a certain capacity for transmitting information, often measured by: