modem
Data Transceiver
A "Hub".
A router connects multiple computers together and transmits data to its correct destination on a network.
Ethernet is bi-directional; it both transmits and receives data.
The printer is an output device i.e. it transmits data in the form of prints.
Data Transceiver Network + Guide to Networks (version 5) Pg. 239
DSL
A Bluetooth device produces radio waves, which are a type of electromagnetic wave that transmits data wirelessly between devices within a short range.
They are both forms of communication They are both a form of communication; data communication is a subset of telecommunication, telecommunication send data between two links by means of electromagnetic. (Like satellite), while data communication means send data by telecommunication, it consists of codes of 0's and 1's. In computer means, Data communication is digital data and telecommunication is equipped to send digital data to receiver.
In each telecommunication room, a crucial device typically found is a network switch. This device facilitates the connection and management of multiple devices within the network, enabling data communication between them. Additionally, telecommunications rooms may also contain routers, patch panels, and sometimes firewalls for enhanced network management and security.
FSK stands for Frequency Shift Keying. It allows for voice and data to be digitized and transferred over analog lines. There is a maximum transfer rate of FSK data at 1.6 Mbps.
telecommunication is the transfer of voice/data from transmitter to receiver through wire/wireless