Telecommunication History

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