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.
Data Transceiver Network + Guide to Networks (version 5) Pg. 239
The printer is an output device i.e. it transmits data in the form of prints.
DSL
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.
A Bluetooth device produces radio waves, which are a type of electromagnetic wave that transmits data wirelessly between devices within a short range.
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
modem