Question

The 1st modern telecommunication device was (i) Telephone (ii) Telegraph (iii) Computer (iv) Television

Answer 1

Answer:

option 2 Telegraph is the 1st modern telecommunication device

Answer 2

The 1st modern telecommunication device was (ii) Telegraph.

Explanation:

Telegraph was said to be the first modern telecommunication device. Telegraph was developed by Samuel Morse in 1830-1840. Long-distance communication is enabled efficiently by transmitting electrical signals over a wire laid between stations.

The telegraph helps in transmitting messages by using coded pulses of electric current through dedicated wires. The messages are communicated in the form of coded signals. The  communication between the distant points can be performed rapidly.

Development of technology led to growth of telephone, computer and television.