Telecommunications, the electronic transmission of information over distances, and computers are now essentially inseparable:
By using computer telecommunications networks to sell goods, services, and information, e-commerce refers to maintaining relationships and carrying out business transactions.
The exchange of electronic transaction documents from computer to computer, involving at least two trading partners, is known as electronic data interchange (EDI). Paper transactional documents like purchase orders and invoices are replaced with standardized electronic communications when using EDI.
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