Question

3.
SMS was conceived as a part of the
for mobile communication.
(A) system
(B) global system
(C) country
(D) foreign system​

Answer 1

Answer:

B..Global system

Explanation:

SMS, as used on modern devices, originated from radio telegraphy in radio memo pagers that used standardized phone protocols. These were defined in 1985 as part of the Global System for Mobile Communications (GSM) series of standards.