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Data Communication in Computer Networks

UpdatedNovember 1, 2022

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Harsh Kumar

Harsh Kumar is a Front-end Developer at Creators Mind. I have strong technical skills in working with React JS and Javascript. I love building products to solve real-world problems.

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Data communication is the exchange of data between two nodes via some form of link (transmission medium) such as cable.

Data flow

it means nodes are going to exchange the data.
data is going to flow from one node to another node
there are 3 forms of data flows.
1. Simplex
2. Half duplex
3. Full duplex
Simplex
- In simplex data flows, communication is always unidirectional.
- One device can transmit and other devices will receive the data.
  
  examples: keyboard, traditional monitors, etc.
Half duplex
- In a half-duplex, communication is in both directions but not simultaneously.
- If one device is sending, the other devices can only receive the data at the same time & vice versa. ex: walkies-talkies

duplex in computer networks

Full duplex

It is also known as a Duplex.
Communication is in both directions simultaneously.
Devices can send or receive the data at the same time.

ex: Phone call i.e we can talk and listen to the voice at the same time.

full duplex in computer network

Thanks for reading.

Read the all Computer Networks resources here coderharsh.in/series/computer-networks

#computer-science #computernetwork #computer-networking #software-development #software-engineering

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