Questions & Answers
Browse all 25 questions from the
Telecommunications History study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
Which inventor is credited with receiving the first transatlantic radio signal in 1901?
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A
Guglielmo Marconi
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B
Nikola Tesla
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C
Alexander Graham Bell
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D
Thomas Edison
2
In what year was the first commercial mobile phone, the Motorola DynaTAC 8000X, released to the public?
-
A
1973
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B
1983
-
C
1991
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D
1995
3
What was the primary medium used for the first long-distance telegraph lines in the 1840s?
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A
Fiber optics
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B
Copper wire
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C
Satellite relay
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D
Microwave links
4
Who successfully demonstrated the first public transmission of television images in 1926?
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A
John Logie Baird
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B
Philo Farnsworth
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C
Vladimir Zworykin
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D
Charles Francis Jenkins
5
The ARPANET, the precursor to the modern internet, sent its first message between UCLA and SRI in what year?
-
A
1965
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B
1969
-
C
1973
-
D
1981
6
Which company launched Telstar 1, the first active communications satellite, in 1962?
-
A
NASA
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B
AT&T
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C
Soviet Space Program
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D
Hughes Aircraft
7
What was the name of the first undersea telegraph cable that successfully linked Europe and North America in 1866?
-
A
The Atlantic Cable
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B
The Trans-Pacific Wire
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C
The Victorian Line
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D
The Global Telegraph
8
Which protocol, developed by Vint Cerf and Bob Kahn, became the standard for internet communication in 1983?
-
A
HTTP
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B
TCP/IP
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C
FTP
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D
SMTP
9
Who is the inventor widely recognized for patenting the telephone in 1876?
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A
Elisha Gray
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B
Alexander Graham Bell
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C
Antonio Meucci
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D
Thomas Watson
10
What type of signal did the early telegraph system invented by Samuel Morse primarily use?
-
A
Voice transmission
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B
Analog radio
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C
Electrical pulses
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D
Optical fiber
11
In 1947, which company invented the transistor, a device that revolutionized telecommunications hardware?
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A
Bell Labs
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B
IBM
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C
General Electric
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D
Westinghouse
12
The 'World Wide Web' was invented by Tim Berners-Lee while he was working at which organization?
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A
MIT
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B
CERN
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C
NASA
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D
Stanford University
13
Which radio frequency range was used for the first commercial FM radio broadcasts?
14
What was the primary function of the 'Enigma' machine used during World War II?
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A
Broadcasting news
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B
Encrypting communications
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C
Radar detection
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D
Satellite tracking
15
The first SMS (Short Message Service) message was sent in December 1992; what was the content of the message?
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A
Hello World
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B
Merry Christmas
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C
Testing 123
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D
Happy New Year
16
Which standardized protocol allowed for the development of the Global System for Mobile Communications (GSM) in the 1980s?
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A
CEPT
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B
ITU
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C
IEEE
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D
ANSI
17
What breakthrough in the 1970s allowed massive amounts of data to be sent through glass fibers?
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A
Coaxial cable
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B
Infrared lasers
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C
Optical fiber transmission
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D
Satellite uplink
18
The first transatlantic telephone cable, TAT-1, was laid in what year?
-
A
1946
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B
1956
-
C
1966
-
D
1976
19
Who was the first person to send a human voice over a radio wave in 1906?
-
A
Reginald Fessenden
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B
Lee de Forest
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C
David Sarnoff
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D
Edwin Armstrong
20
What specific innovation allowed for the creation of the modern 'cellular' network architecture?
-
A
Frequency reuse
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B
Higher power antennas
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C
Direct satellite linking
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D
Analog frequency modulation
21
The first telephone exchange opened in 1878 in which city?
-
A
London
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B
New York
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C
New Haven
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D
Paris
22
Which international organization was established in 1865 to coordinate international telegraph standards?
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A
International Telecommunication Union
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B
United Nations
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C
World Radio Committee
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D
Global Telegraph Bureau
23
In 1998, which company released the first commercially successful 'smartphone' predecessor, the Nokia 9000 Communicator?
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A
Nokia
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B
Ericsson
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C
BlackBerry
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D
Apple
24
Which of these was the first high-speed digital network technology widely used for home internet in the late 1990s?
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A
Dial-up
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B
ISDN
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C
ADSL
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D
Cable broadband
25
What was the primary limitation of early fiber-optic communication before the development of erbium-doped fiber amplifiers?
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A
Signal attenuation
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B
Cable weight
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C
High cost of glass
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D
Slow data speed
