The following are the major differences between product cost and period cost: 1  Product Cost is the cost which can be directly assigned to the product. 2  Product Cost is based on volume because they remain same in the unit price, but differ in the total value.
Communication protocol. In computing, a protocol or communication protocol is a set of rules in which computers communicate with each other. The protocol says what part of the conversation comes at which time. It also says how to end the communication.
The Transmission Control Protocol (TCP) is a core protocol of the Internet protocol suite.It originated in the initial network implementation in which it complemented the Internet Protocol (IP). Therefore, the entire suite is commonly referred to as TCP/IP.he Transmission Control Protocol (TCP) is a core protocol of the Internet protocol suite.