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.
Answered by The Community. Making the world better, one answer at a time. it is a MAC Media acces control each network adapter on you adapter has a uniquie number (like a serila number) assigned to it by the manufactor.