5 Questions
What additional services do today's mobile phones provide besides voice communication?
E-mail, Internet browsing, PDA functionality
What information does a SIM card store about the mobile phone user?
16-digit or 17-digit code to identify country of origin
What does GSM stand for in the context of SIM cards?
Global System for Mobiles
What is the function of the VCC part on a SIM card?
Power Supply
Which type of SIM card cannot be removed from the original phone?
CDMA SIM
Test your knowledge on the basic functions of mobile phones, such as voice communication, Internet browsing, digital camera usage, SMS, and more. Understand the SIM card and its role in mobile phone functionality.
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