G
general protection fault (GPF)

A general protection fault (GPF) happens in Windows when a program accesses memory that another program is using or when a program accesses a memory address that doesn't exist.

Global System for Mobile Communications (GSM)

The most popular cellular standard. It uses a variety of bands to transmit. The most popular are 900MHz and 1800MHz, but 400, 450, and 850MHz are also used.

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