what is full form of Sim card?
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A subscriber identity module or subscriber identification module (SIM), widely known as a SIM card, is an integrated circuit running a card operating system (COS) that is intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and ...
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A subscriber identity module or subscriber identification module (SIM), widely known as a SIM card, is an integrated circuit running a card operating system (COS) that is intended to securely store the international mobile subscriber identity (IMSI) number and its related key
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