Q. First SIM card was made by

A
Neil papworth
B
Giesecke and Derrient
C
Jack Dorsey
D
David Filo& Jerry Jang
Solution:

The first SIM card was developed in 1991 by Munich smart-card maker Giesecke & Devrient, who sold the first 300 SIM cards to the Finnish wireless network operator Radiolinja.

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