![]() Why You Need to Know Your PC’s MAC Address? MAC addresses can be changed, but doing so is generally not recommended as it can cause problems with network connectivity. MAC addresses are typically assigned by the manufacturer of the device, and they are usually stored in the device’s firmware. ![]() MAC addresses are made up of six pairs of hexadecimal digits, with each pair representing a byte of the MAC address. MAC addresses are used in the media access control protocol sublayer of the data link layer of network architectures.
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