Question

3. How are the messages sent through telex ?
a) Written letters
by Simultaneously the message is typed at the receiver
c) Through e-mail
d) None of these​

Answer 1

Answer:

I think

b is the correct answer

Answer 2

Answer:

Messages are converted into signals which are transmitted, either by electricity or by radio signals, and then printed out by a machine in another place. A telex is a machine that transmits and receives telex messages. ... If you telex a message to someone, you send it to them by telex.

Explanation:

its mean 1 option is correct explains already