Data Communication is the transmission of data (text, voice, etc) from one computer to another (or to a peripheral device). The four things needed are a sender, a receiver, a channel and a protocol.
Water, Food, Temperature and Oxygen
No, in the sense that there are still things to be understood. Einstein was successful in some ways, like the Universe is four dimensional, Special Relativity Theory .
1- Sender (encodes a:) 2- Message (that is sent through a:) 3- Channel (to a:) 4- Receiver This is called a "linear model" of communication. It is the smallest and simplest system needed as if you take out one of its four components, there can be no communication.
rain, wind, air, sun and animals
Verbal Communication, Non-Verbal Communication,Written Communication and Visual communication
Short notes on four divisions of communication skills
The four ingredients of photosynthesis are: it is catalysed by chlorophyll, powered by sunlight, and it consumes water and carbon dioxide.
main purpose of communication
Reading, Writing, Speaking & Listening are the four basic communication skills.
There are four main things that any language learner need-Motivation, Good resources, Time, Discipline.
Christopher Columbus's Four Voyages In 1492 Were Successful Because He Found America..