cell phone
The Modem
A communication device is a peripheral used for communication between the computers and other devices. Modem is a popular communication device which is normally used for Internet communication. Infrared, Bluetooth and LAN card are the examples of communication devices.
widely used communications device is a
Computers are the most used technological device by scientists. They are essential for data analysis, simulations, modeling, research documentation, and communication within the scientific community.
Mobile phone is the most wide used device. After that Calculator and then comes in laptop and PC.
Computers are the most commonly used technological device by scientists around the world. They are essential for data analysis, simulation, communication, and research documentation.
modem
cell phone
The radio
the most important thing to have is mirror because it reflects lightwhich can be used as a communication device when asking for help
A cellular device
false