it enables you to communicate when you can't talk
Definition of communication devices?
What must be identical on all devices in a WLAN for successful wireless communication between the devices?
As there thousands of types of communication devices and hundreds of thousands of barand name of those devices you have asked a very hard question
End devices form the interface between the underlying communication network and the human network. Some examples of end devices are computers ,laptops, file and web servers, network printers, VoIP phones, security cameras and mobile handheld devices.
The function of communication is to allow for the exchange of ideas. Communication is designed to share ideas and promote understanding.
The functions of speech communication are: Referential Phatic Expressive Interactional Transactional
It is asking how the devices are used. What is their purpose?
Most modern peripherals. USB devices, Firewire devices , SATA hard drives, PCI express cards and Ethernet are all examples of devices using serial communication.
Words: The choice of vocabulary Voice: Tone, pitch, and volume of speech Body language: Gestures, facial expressions, and posture Style: Formality, informality, or slang Listening: Engaging with the speaker's message Non-verbal cues: Context, environment, and cultural norms
modem
Network
Communication facilities are the place, buildings, structures, etc., where communication devices are located/stored/situated.
added device called networking