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An IP address is the unique identifier assigned to any personal computer connected to the internet.
ip
Globally Unique Identifier (GUID)
a unique item identifier means what?
The IP address of course! Think about it. It's on the network layer, It is unique, and it's assigned to every device on the internet!
There is no relation between reference and hascode, Java reference is unique pointer which refers an object. so each object will have a unique reference. but 2 diff object can have same hashcode.
An IP address is the unique identifier assigned to any personal computer connected to the internet.
an object that is identical to another object, besides maybe it's unique identifier
SID stands fro System Identifier and it is a unique name or number to assigned to the system on which the oracle has been installed.
cell reference or cell address
Each device can be identified by its IP address (assigned for the network and can be subnetted) and its MAC - which is a device identifier supposedly unique to the device.
An ASIN is an Amazon Standard Identification Number, a 10-character unique identifier assigned by the website Amazon in order to identify products with a unique alphanumeric code.