USSD Stand for?

A. Unified Supplementary Service Date Unstructured Supplementary Service Date

B. Unstructured Supplementary System Data

C. Unstructured Supplementary Service Data

D. None of These कोई नहीं

Correct Answer is :

C. Unstructured Supplementary Service Data

Explanation

USSD (Unstructured Supplementary Service Data) is a Global System for Mobile Communications (GSM) protocol that is used to send text messages.