Layer 1 of the OSI Layer Model does not support MAC addresses.
in the osi model data link layer is adds source & destination mac address to frames
If you mean the MAC address, that's a layer-2 concept.
MAC layer by OSI model is also known as
The MAC address would place it at the data link layer of the OSI model.
Switch working in Data link layer of OSI Model which is working my MAC address it is sending receiving packets by Mac address which switch make mac tale in RAM to save all information.
yes. thougth the nic is a layer 1 device its mac address is used in datalink layer
The MAC sublayer is part of Layer 2 - Data Link Layer - but it is more correct to say that the MAC address is the physical address.
A Switch looks at the MAC address its a layer 2 device (OSI Model).
A MAC address
Network Interface Layer
transport layer