Curious Kids: How do SIM cards make a phone work?
- Written by Philip Branch, Associate Professor in Telecommunications Engineering, Swinburne University of Technology
SIM cards contain a computer chip that can do some simple mathematics and store some data. Flickr/jbdodane, CC BY-SA
This is an article from Curious Kids, a series for children. The Conversation is asking kids to send in questions they’d like an expert to answer. You might also like the podcast Imagine This, a co-production between ABC KIDS...
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