COMPUTER HARDWARE
INPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Radio waves
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Special ink
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Visible red light
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Pin
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Detailed explanation-1: -The reader is a device that has one or more antennas that emit radio waves and receive signals back from the RFID tag. Tags, which use radio waves to communicate their identity and other information to nearby readers, can be passive or active. Passive RFID tags are powered by the reader and do not have a battery.
Detailed explanation-2: -Radio Frequency Identification (RFID) is a technology that uses radio waves to passively identify a tagged object. It is used in several commercial and industrial applications, from tracking items along a supply chain to keeping track of items checked out of a library.
Detailed explanation-3: -Payments in means of transport: public transports and tolls. Asset management: Location, identification and transport trace. Logistics. Inventories and warehouses. Identification of animals. Surgeries. Access control: sports facilities, buildings, tourism. More items