Distinguish between ‘Analog’ and ‘Digital’ forms of communication

(a) Distinguish between ‘Analog’ and ‘Digital’ forms of communication.
(b) Explain briefly two commonly used applications of the ‘Internet’.


(b) Applications of the Internet:

  1. E-mail: It allows the exchange of text or graphic material. One can write a letter and send it to the other person (recipient) through an internet service provider (ISP). The ISP works like the dispatching and receiving post office.
  2. File transfer: A program known as the file transfer program (FTP) allows the transfer of files or software from one computer to the other computer connected to the Internet.