A source or sender is one of the basic concepts of
communication
Communication is commonly defined as the transmission of information. Its precise definition is disputed and there are disagreements about whether Intention, unintentional or failed transmissions are included and whether communication not onl ...
and
information processing. Sources are objects which
encode message
A message is a unit of communication that conveys information from a sender to a receiver. It can be transmitted through various forms, such as spoken or written words, signals, or electronic data, and can range from simple instructions to co ...
data
Data ( , ) are a collection of discrete or continuous values that convey information, describing the quantity, quality, fact, statistics, other basic units of meaning, or simply sequences of symbols that may be further interpreted for ...
and
transmit the
information
Information is an Abstraction, abstract concept that refers to something which has the power Communication, to inform. At the most fundamental level, it pertains to the Interpretation (philosophy), interpretation (perhaps Interpretation (log ...
, via a
channel, to one or more
observers (or
receivers).
In the strictest sense of the word, particularly in
information theory
Information theory is the mathematical study of the quantification (science), quantification, Data storage, storage, and telecommunications, communication of information. The field was established and formalized by Claude Shannon in the 1940s, ...
, a ''source'' is a process that generates message data that one would like to communicate, or reproduce as exactly as possible elsewhere in space or time. A source may be modelled as memoryless,
ergodic,
stationary, or
stochastic Stochastic (; ) is the property of being well-described by a random probability distribution. ''Stochasticity'' and ''randomness'' are technically distinct concepts: the former refers to a modeling approach, while the latter describes phenomena; i ...
, in order of increasing generality.
''Communication Source'' combines ''Communication and Mass Media Complete'' and ''Communication Abstracts'' to provide full-text access to more than 700 journals, and indexing and abstracting for more than 1,000 core journals. Coverage dating goes back to 1900.
Content is derived from academic journals, conference papers, conference proceedings, trade publications, magazines and periodicals.
A transmitter can be either a device, for example, an antenna, or a human transmitter, for example, a speaker. The word "transmitter" derives from an emitter, that is to say, that emits using the Hertzian waves.
In
sending mail it also refers to the person or organization that sends a letter and whose address is written on the envelope of the letter.
In finance, an issuer can be, for example, the bank system of elements.
In education, an issuer is any person or thing that gives knowledge to the student, for example, the professor.
For communication to be effective, the sender and receiver must share the same code. In ordinary communication, the sender and receiver roles are usually interchangeable.
Depending on the language's functions, the issuer fulfills the expressive or emotional function, in which feelings, emotions, and opinions are manifested, such as The way is dangerous.
In economy
In the
economy
An economy is an area of the Production (economics), production, Distribution (economics), distribution and trade, as well as Consumption (economics), consumption of Goods (economics), goods and Service (economics), services. In general, it is ...
, the issuer is a legal entity, foundation, company, individual firm, national or foreign governments, investment companies or others that develop, register and then trade commercial securities to finance their operations. The issuers are legally responsible for the issues in question and for reporting the financial conditions, materials developed and whatever their operational activities required by the regulations within their jurisdictions.
See also
*
CALM M5
References
Source
Information theory
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