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These are called protocols - a standard set of rules for common communications across networks.
A negotiation sequence can be done via a technique known as Hand-shaking, for a reliable protocol. It might be called other things by others depending on vernacular, etc. Usually the two devices decide on how they will exchange information on negotiation.
TCP and IP are examples of protocols - a common set of agreed upon rules for communications between networks and devices.
A protocol is a set of rules describing some behavior. In order to communicate in a common manner, the sender and receiver have to agree on the "language" of communication. A protocol states what those rules are, and because they are a standard, everyone agrees and knows what to expect.
Personal Communications Devices was created in 1984.
Protocols are set of standards that help programmers/designers/administrators to have common set of standards for Computing & Network Devices.
Protocols
USB stands for Universal Serial Bus, the most common standard for cables and communications protocols between computers and peripheral devices. In this case, the peripheral device is a hard disk drive, or HDD.
The five components of a computer:input devices, output devices,system unit,storage devices,and communications devices.
Gus Communications Devices Incorporated sells many items with people with medical conditions. They sell devices for people with strokes or people who have cancer of the throat or any part of the throat who have trouble speaking.
A dedicated link between devices
Networking