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Information-transfer transaction : ウィキペディア英語版 | Information-transfer transaction
A transaction is a change of state, an information-transfer transaction is a transaction in which one of the following changes occurs: content, ownership, location, format, etc. An information-transfer transaction usually consists of three consecutive phases called the access phase, the information transfer phase, and the disengagement phase. Examples of these consecutive phases are the copying and transporting of information. Once a transaction occurs there are also costs to consider, which are associated with that certain transaction. When it comes to the transfer of information some transaction costs include time and means (money). ==History of Information-transfer transactions== There are many social systems and devices that have contributed to information-transfer transactions; starting from people writing letters using postal systems to emailing using information technology. Two main examples of information-transfer transactions technology development is the copying and transportation of information.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Information-transfer transaction」の詳細全文を読む
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