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Computer Science AQA A level

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Question:

Give the differrence betweens a passive and an active transponder

Author: Will Parker



Answer:

- Passive transponders can be powered by energy from the reader whereas active transponders the energy is stored with it in the form of batteries - Passive transponders are less bulky - Passive transponders cant broadcast constantly - Passive transponders have a shorter read range - Passive transponders are cheaper


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