Question

The full form of STD is:

1.
Standard Telephone Dialling
2.
State Telephone Directory
3.
Subscriber Trunk Dialling
4.
Subscriber Telecommunication Department
Answer (Detailed Solution Below)

Option 3 : Subscriber Trunk Dialling

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Detailed Solution

सही उत्तर Subscriber Trunk Dialling है।

Key Points

STD stands for Subscriber Trunk Dialling, the system for dialling trunk calls directly without operator assistance.

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More Domain Specific Questions

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Question:

The full form of STD is:

1.
Standard Telephone Dialling
2.
State Telephone Directory
3.
Subscriber Trunk Dialling
4.
Subscriber Telecommunication Department

Correct Answer: Subscriber Trunk Dialling

STD stands for Subscriber Trunk Dialling, the system for dialling trunk calls directly without operator assistance.

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