TELECOMMUNICATIONS

The telecommunications sector consists of three basic sub-sectors

• Wireless communication➜ telecom services➜ telecom equipment

• Telecom services➜ telecom equipment➜ wireless communication

• Telecom equipment➜ telecom services➜ wireless communication

• Wireless communication➜ telecom equipment➜ telecom services

Important telecommunication technologies include

• The telegraph, telephone, satellites, closed computer networks and the public internet

• The radio, television, videotelephony, satellites, earphone

• The satellites, closed computer networks, telegraph, telephone, MP3

• The radio, television, videotelephony, mobile phone, kindle

Television has come a long way since the three-inch screen of the early____

• 19^th century

• 20^th century

• 18^th century

• 17^th century

How far can Wifi reach ?

• Up to 46m indoors and 92m outdoors

• Up to 40m indoors and 83m outdoors

• Up to 35m indoors and 70m outdoors

• Up to 15m indoors and 50m outdoors

What is this?

• Router wifi

• Modem wifi

• Radio

• Telegram

The inventors and developers of the telephone were  Alexander Graham Bell and ____

• Antonio Meucci

• Thomas Edison

• Galileo Galilei

• John Logie Baird

Telegraph is ___

• A piece of hardware that connects several computers to the same internet connection

• A device for transmitting and receiving messages over long distances, i.e., for telegraphy

• A system for transmitting visual images and sound that are reproduced on screens

• The technology of signaling and communicating using radio waves

___ is the first country in the world to deploy 5G network

• Korea

• China

• Qatar

• America

In recent years, the popularity of _________ has increased dramatically. These things allow users to communicate with each other as well as post photographs, events and profiles for others to see.

• Social networking sites

• Telegram features

• Wifi

• Express mail service

What does SMS stand for ?

• Short Message System

• Scientific Method Speaker

• Short Message Service

• Satellite Signal