The acronym "Global System for Mobile Communications" (GSM) describes what the system is all about. What exactly is the function of the SIM card in your cellular phone?

Systems Architecture
7th Edition
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Stephen D. Burd
Chapter9: Computer Networks
Section: Chapter Questions
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The acronym "Global System for Mobile Communications" (GSM) describes what the
system is all about. What exactly is the function of the SIM card in your cellular phone?
Transcribed Image Text:The acronym "Global System for Mobile Communications" (GSM) describes what the system is all about. What exactly is the function of the SIM card in your cellular phone?
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