She uses the Radio-frequency identification(RFID) which is a technology that uses electromagnetic fields to automatically identify and track tags attached to objects.These tags contain electronically-stored information.the passive tags collect energy from a nearby RFID readers interrogating radio waves.They contain an integrated circuit and an antenna which are used to transmit data to the RFID reader also called an interrogator.
the answer to the question is a Embedded ( I just learned this like a month ago so im pretty sure it right :))
The answer is Printer, workstation, NOC, and fax.
Any devices or systems connected to a network are called nodes. When defining a node, always have in mind that it is anything that has an IP address. For instance, if a network connects 5 computers, 1 file server, and 2 printers, there are 8 nodes on this network.
