Which is more advantageous? (i) analog data communication (ii) digital data communication?

What is digital data?

what are the disadavanatages of analog communication .

The main advantage of digital communication is/are

Name some analog communication system.

What is the advantage of optical fibre communication ?

Statement 1. Types of communications are identified on the basis of links between transmitter and receiver e.g., cable communication, ground wave communication, sky wave communication, satellite communication, optic fibre communication etc., Statement 2. Communication is named on the basis of basic form of signal used i.e., analog communication and digital communication.