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The video provides a brief introduction to phone numbers, explaining their basic concept and usage.

Why are phone numbers important in modern communication?

• They are used for identifying individuals.

• They are used for storing data.

• They are used for financial transactions.

• They are used for entertainment purposes.

Which of the following is a common format for phone numbers?

• 12-3456-7890

• 123-45-67890

• 1234-567-890

• 123-456-7890

What is a key feature of phone number structures?

• They are written in binary.

• They start with a zero.

• They are always 10 digits long.

• They include area codes.

In which scenario is a phone number most likely used?

• To access a website.

• To paint a picture.

• To write a book.

• To make a phone call.

How do phone numbers facilitate communication?

• By storing large amounts of data.

• By encrypting messages.

• By providing a unique identifier for each device.

• By creating social media profiles.