Question No. 1
Answer :
Question No. 2
In olden days, messages were sent through them.
Answer :
Question No. 3
It is not a means of communication.
Answer :
Question No. 4
In olden days, messages were sent through them.
Answer :
Question No. 5
It is not a means of communication.
Answer :
Question No. 6
We can send e-mails through it.
Answer :
Question No. 7
We can send e-mails through it.
Answer :