Bit e teoria da informação e optical telegraph: o que têm em comum

1. Passo 1. Bit e teoria da informação — é utilizado em — Packet switching. Packets are sequences of bits.
2. Passo 2. Packet switching — funciona como — Electrical telegraph. An analogy: telegraph messages were passed from station to station with intermediate storage — a “store and forward” principle similar to packet transmission.
3. Passo 3. Electrical telegraph — evoluiu de — Optical telegraph. The electrical telegraph replaced semaphore lines.

Abrir Evothings