What does SIM stand for in SIM card?
- Standard Identification Mechanism
- Subscriber Identity Module
- Simulated Identifier Microchip
- Single Inline Memory
EXPLANATION
A SIM card, also known as a subscriber identity module, is a smart card
that stores identification information that pinpoints a smartphone to a
specific mobile network. ...
There are two distinct technologies used;
GSM (Global System for Mobile communication) and CDMA (Code Division
Multiple Access).
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