Question

In which two ways is a telephone use ?​

Answer 1

A telephone is an instrument designed for the simultaneous transmission and reception of the human voice. Telephones are inexpensive and simple to operate, and they offer an immediate, personal type of communication. Billions of telephones are in use around the world.

Telephone is less time consuming and the message is communicated within minutes. One doesn't need to be educated enough for dialing and receiving a call on a telephone. Where as, to write a letter one needs to be educated and the receiver also needs to be literate to be able to read it.