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    Question

    A Global System for Mobile Communications (GSM) protocol

    that is used to send text messages is known as USSD, what is the U in it?
    A Universal Correct Answer Incorrect Answer
    B Unrecognized Correct Answer Incorrect Answer
    C Unstructured Correct Answer Incorrect Answer
    D Uniform Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    USSD stands for Unstructured Supplementary Service Data. It is a communication protocol used by Global System for Mobile (GSM) cellular phones to communicate or send a text message from a mobile phone to an application hosted by the mobile operator just like SMS (Short Message Service).  A message in USSD can be up to 182 characters long.

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