What is a telephone?
Q: What is a telephone?
A: A telephone is a communication tool that people use to talk with people who are far away.
Q: How does a telephone work?
A: Originally, telephones were electric tools that sent analogue speech through wires. In the 21st century, many telephones are electronic tools that send digital signals on wires or radio transmission.
Q: What is the purpose of a telephone?
A: The purpose of a telephone is to allow two people who are in different places to talk to each other.
Q: What are fixed or landline telephones?
A: Fixed or landline telephones are telephones that needed to be connected with wires.
Q: What are modern mobile phones?
A: Modern mobile phones are telephones that use radio waves instead of wires.
Q: How do modern mobile phones work?
A: Modern mobile phones use radio waves to send and receive signals, allowing people to talk with each other without having to be connected by wires.
Q: What is the difference between old and modern telephones?
A: The main difference between old and modern telephones is that old telephones sent analogue speech through wires, while modern telephones use digital signals on wires or radio waves to communicate.
