What is the rate of US postage stamps? The current rate for US Postage Stamps is $.46 for a First Class Letter, $0.33 for a domestic postcard & $1.10 for first class international mail. Additional rates can be obta â¦ ined at your local post office.
Protocol is defined as the rules and customs of a group or a standard procedure. An example of protocol is the method by which a learning center must document their students' progress. protocol. an original draft or record of a document, negotiation, etc.
Communicating systems use well-defined formats (protocol) for exchanging various messages. Each message has an exact meaning intended to elicit a response from a range of possible responses pre-determined for that particular situation. The specified behavior is typically independent of how it is to be implemented. Communications protocols have to be agreed upon by the parties involved.