Each byte is written as two hexadecimal digits, so there are twelve hexadecimal digits each hex digit is a number from 0-9 or a letter from A-F. Microsoft also introduced its feature in Windows 98 Second Edition (Win98 SE) and for home networking in Windows 7. How to Determine Your Device's Ethernet or Wireless Hardware Address This document describes how to determine your device's Ethernet or Wireless hardware address(es). Sometimes an '0x' is written before the value to make explicit that the following value should interpreted as hexadecimal. Most modern operating systems qualify as network operating systems due to the popularity of the internet and home networking.
Contrast that with, which was designed from the beginning with networking in view.
