The first high-power electronic devices were made using mercury-arc valves. In modern systems, the c

Microelectronics is a subfield of electronics. As the name suggests, microelectronics relates to the

Telecommunication, often used in its plural form, is the transmission of information with an immedia

A vacuum tube, electron tube,[1][2][3] valve (British usage), or tube (North America),[4] is a devic

In telecommunications, trunking is a technology for providing network access to multiple clients sim

A sensor is a device that produces an output signal for the purpose of detecting a physical phenomen