protocol computer definition
Protocol. When computers communicate with each other, there needs to be a common set of rules and instructions that each computer follows.A specific set of communication rules is called a protocol.Because of the many ways computers can communicate with each other, there are many different protocols -- too many for the average person to remember. Some examples of these different protocols include PPP, TCP/IP, SLIP, HTTP, and FTP.hen computers communicate with each other, there needs to be a common set of rules and instructions that each computer follows. A specific set of communication rules is called a protocol.