Telecommunication, by term, is the act of communication between multiple parties using technology. Telephone networks, radio operators, broadcast networks, cellular networks, wide-area networks (WAN) and computer networks are considered examples of telecommunication systems. This communication method is considered now the main type of communication where all data and information are transferred using telecommunication systems. They have become a necessity rather than a luxury nowadays due to the speed of life and the need to cope with new technologies to ease life on humans.

Telecommunication systems are used worldwide to transfer important information from any place to another from all around the world in just seconds. It eased the human communication with other humans on earth and even on other planets or on the moon! They helped in developing many industries worldwide, such as commerce, marketing, and market research, where information is obtained easily, fast and with zero cost.