Purchasing power parity (PPP) is an economic theory that states that the exchange rate between two currencies is equal to the ratio of the currencies' respective purchasing power.
MAC Address Generation. Each virtual network adapter in a virtual machine is assigned its own unique MAC address. Each network adapter manufacturer is assigned a unique three-byte prefix called an Organizationally Unique Identifier (OUI), which it can use to generate unique MAC addresses.
Updated October 14, 2016. A serial number is a unique, identifying number or group of numbers and letters assigned to an individual piece of hardware or software. The term serial number is often shortened to just S/N or SN, especially when the word precedes an actual serial number on something.