Question

Prepare a list of different means of communication used since early days also find out the century dedicate in which these means of communication were used write your findings in the space provide .

Answer 1

Answer:

1. wifi used now a days.

2. wimax used now a days for 1km wireless distances

3. ethernet cable is used from since 2000

Explanation:

Answer 2

Answer:

Since early age so many means of communication were used such as sign and signals were used to transfer message.

Verbal communication, cave paintings, letter writing, and other such means of communication were used in early days.

These were used from the age of early man, however, there is no means as when it all started.

But it is a practice that is followed since ages for communicating.