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.
Systems typically do not use a single protocol to handle a transmission. Instead they use a set of cooperating protocols, sometimes called a protocol family or protocol suite. Some of the best known protocol suites include: IPX/SPX, X.25, AX.25, AppleTalk and TCP/IP.n telecommunications, a communications protocol is a system of rules that allow two or more entities of a communications system to transmit information via any kind of variation of a physical quantity.