WorksheetsTelecommunication History
Total questions: 25
Worksheet time: 13mins
1. Who invented the telegraph?
Samuel Morse
MacMillan
Guglielmo Marconi
George Ohm
Who invented wired telephone?
Samuel morse
Alexander Graham Bell
When was the wired telephone invented?
1990
1872 AD
1876 AD
What is called 0G communication?
TELEGRAPH
Mobile Radio Telephone
FIRST GENERATION
What is simplex communication?
One way communication Eg: Radio system
NMT SYSTEM
0G COMMUNICATION
Which companies invented 0G communication system?
Nippon telegraph and telephone
Motorola and Bell Systems
Motorola USA
When was the 0G communication system invented?
1945
1940
1935
1955
What is full duplex communication system?
One way communication Ex Radio system
Two way communication not simultaneously
Two way communication simultaneously
Which city or country invented 1G first?
USA
Tokyo Japan
UK
When the Ist generation of wireless communication invented?
1965
1975
1979
1972
Which company invented wireless communication?
Nippon telegraph and telephone
Motorola USA
Radio Linja Finland
Which is the first country that is fully wireless connected?
CANADA
BRAZIL
USA
Japan
What is Half Duplex communication?
Two way communication not simultaneously
Two way communication simultaneously
One way communication Ex Radio system
When the 1G network developed in Europe?
1981
1971
1961
1991
Which company developed first mobile phone?
SAMSUNG KOREA
APPLE USA
Motorola USA
Which company developed the 1G in Europe?
Integrated services digital network
Code Division Multiple Access
NMT system
What type of technology used in 1G?
GPRS technology
Analog technology
GSM technology
What are the services available in 1G technology?
Only voice call
Only data
Otheres
What is the technology behind 0G communication system?
GSM technology
Analog technology
Push to Talk technology (PTT)
What is the speed of 1G data communication?
2.4Kbps
3.2Kbps
1.5Kbps
0.5Kpbs
What is frequency of 1G transmission?
100Mhz
150Mhz
200Mhz
When the second generation technology emerged?
1985
1990
1991
1995
What is the full form of GSM technology?
Global system for mobile communication
GPRS technology
Enhanced Data rates for Global Evolution
What are the three different communication systems included in 2G?
EDGE
GSM ,GPRS , EDGE
GSM,GPRS
Expand GPRS technology?
General Packet Radio Service
General Radio Service
Ex Radio system
