Multiple choice general knowledge

Full form of SIM?

  1. Subscriber Identification Medium

  2. Subscriber Identity Module

  3. Subscriber Identification Module

  4. Subscriber Identity Medium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

SIM stands for Subscriber Identity Module, which is the correct expansion used in telecommunications. Option A incorrectly uses 'Medium' instead of 'Module'. Option C uses 'Identification' instead of 'Identity'. Option D incorrectly uses 'Medium' instead of 'Module'.

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