What is The Full Form of SIM and What is SIM?
Full Form of SIM is "Subscriber Identity Module".
A SIM is a Piece of Plastic With An Integrated Chip, Whose Function is To Read The Mobile.
Initially The Size of The SIM Was As Big As An ATM Card or A Credit Card But Gradually Its Size Was Reduced.
In Today's Time, Mini and Micro Sims Have Also Started Coming Which is Very Mmall in Size.
SIM was Invented by A German Company in The Year 1991.
Sim was Invented by Two German Scientists, Josek and Deviant.
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