Balochistan Police Department Computer MCQs KPK Police Department Police Department Punjab Police Department Sindh Police Department Wireless Operator

STD stands for:

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  • Sub Trunk Dialling
  • Subscriber Trunk Dialling
  • Subscribe TV Dialling
  • None of these
  • b

  • STD is a types of Call.
    جب کال ایکسچینج سے باہر دوسری ایکسچینج کو کی جاتی ہے تو اسے ایس ٹی ڈی کال کہا جاتا ہے۔

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