Electronic Communications Engineering Quiz

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Questions and Answers

Who were the main scientists involved in the creation of the transistor?

William Shockley, John Bardeen, and Walter Brattain (correct)

John Von Neumann, Walter Brattain, and Texas Instruments

John Von Neumann, William Shockley, and John Bardeen

William Shockley, John Bardeen, and Texas Instruments

In what year was the first transcontinental microwave system operational?

1952

1951 (correct)

1950

1948

What significant development occurred in 1954 regarding media?

The number of radio stations exceeded newspapers (correct)

Texas Instruments produced silicon transistors

RCA and MBC broadcast first color television transmission

First transatlantic telephone cable system began operation

Which event marks the introduction of digital carrier systems?

T1 digital carrier systems introduced in 1963 Signup and view all the answers

What technological shift occurred in 1983 in the United States?

Cellular telephone networks introduced Signup and view all the answers

What is the primary purpose of an Electronic Communication System?

To transfer information from one place to another Signup and view all the answers

Which invention is credited to Alexander Graham Bell?

The telephone Signup and view all the answers

Who conducted the first transatlantic telegraph cable installation?

No specific individual is attributed Signup and view all the answers

What significant discovery did Heinrich Hertz make in 1888?

Electromagnetic waves Signup and view all the answers

Which of the following individuals invented amplitude modulation (AM)?

Reginald A. Fessenden Signup and view all the answers

Which historical figure is associated with the first practical electrical signal in 1830?

Joseph Henry Signup and view all the answers

What innovation did Marchese Guglielmo Marconi achieve in 1898?

Establishment of the first radio link between England and France Signup and view all the answers

What event took place in 1903 related to radio transmission?

First successful transatlantic transmission of radio signal Signup and view all the answers

Who was responsible for the first radio program of voice and music broadcasted in the United States?

Reginald Fessenden Signup and view all the answers

What significant device did Lee DeForest invent that contributed to radio technology?

Triode vacuum tube Signup and view all the answers

Which act marked the beginning of government regulation for radio technology in the United States?

Radio Act of 1910 Signup and view all the answers

What technology did Edwin Armstrong develop in 1914 that significantly improved radio reception?

Superheterodyne receiver Signup and view all the answers

In what year did the Radio Corporation of America (RCA) begin operating Radio Central?

1921 Signup and view all the answers

What was the significance of the year 1934 in the context of broadcasting regulation?

Creation of the Federal Communications Commission (FCC) Signup and view all the answers

Which technology was pioneered by Alec H. Reeves in 1937?

Binary coded pulse-code modulation Signup and view all the answers

What year is associated with the first scheduled FM radio station opening?

1941 Signup and view all the answers

Study Notes

Definitions of Terms

Electronic Communication System: Transfers information from one location to another.
Electronic Communication: Involves transmission, reception, and processing of information using electronic circuits.

Electronic Communications Timeline

1830: Joseph Henry sends the first practical electrical signal.
1837: Samuel Morse invents the telegraph, a key development in long-distance communication.
1843: Alexander Bain creates the first facsimile.
1861: Johann Phillip Reis completes the first nonworking telephone, an early attempt at voice communication.
1864: James Clerk Maxwell publishes a paper linking light, electricity, and magnetism.
1865: Dr. Mahlon Loomis successfully communicates wirelessly through the Earth’s atmosphere.
1866: Installation of the first transatlantic telegraph cable, enhancing global communication.
1876: Alexander Graham Bell and Thomas Watson invent the telephone, revolutionizing personal communication.
1877: Thomas Edison invents the phonograph, a milestone in sound recording technology.
1880: Heinrich Hertz discovers electromagnetic waves, validating Maxwell’s theories.
1887: Marconi demonstrates wireless radio wave propagation, a significant leap in radio technology.
1894: Marconi builds his first radio equipment, illustrating early wireless communication capabilities.
1895: Marconi discovers ground wave propagation for radio signals.
1898: Establishes the first radio link between England and France, showing practical applications of radio.
1900: Reginald Fessenden conducts the first continuous wave radio broadcast.
1901: Marconi transmits telegraphic messages across the Atlantic; first successful transatlantic radio signal.
1903: Valdemar Poulsen patents an arc transmission for continuous wave signals.
1904: First radio transmission of music occurs in Graz, Austria.
1905: Marconi invents the directional radio antenna, allowing focused communication.
1906: Fessenden invents amplitude modulation (AM), facilitating varied broadcasting; first voice and music broadcast in the U.S.
1907: Fessenden develops a high-frequency electric generator producing radio waves.
1908: General Electric creates a powerful alternator for radio communications.
1910: The Radio Act of 1910 initiates government regulation of radio technology.
1912: The Radio Act of 1912 requires licensing for stations and operators, organizing the radio band spectrum.
1913: Introduction of cascade-tuning and heterodyne radio receivers enhances signal clarity.
1914: Edwin Armstrong develops the superheterodyne radio receiver for improved reception.
1915: Vacuum-tube radio transmitters are introduced, boosting transmission quality.
1919: Shortwave radio technology is developed, allowing long-distance communication.
1920: Radio Station KDKA broadcasts the first regular licensed radio transmission in the U.S.
1921: RCA operates Radio Central; establishes shortwave contact proving long-distance communication capabilities.
1923: Vladimir Zworykin invents television technology.
1927: Temporary Federal Radio Commission is established for regulatory oversight.
1928: WRNY in New York City broadcasts the first television shows.
1931: Edwin Armstrong patents wide-band frequency modulation (FM).
1934: The FCC is created to regulate communications.
1935: Commercial FM radio broadcasting begins, enhancing audio quality.
1937: Alec H. Reeves invents Pulse Code Modulation (PCM) for digital communication.
1939: NBC demonstrates television broadcasting; first two-way communications through walkie-talkies.
1941: Columbia University Radio Club opens the first scheduled FM radio station.
1945: FM frequencies are adjusted to accommodate new technology, solidifying its use.
1946: AT&T launches the first mobile telephone system, known as MTS.
1948: John Von Neumann creates the first program-controlled computer; Bell Labs unveils the transistor.
1951: Launch of the first transcontinental microwave communication system.
1952: Sony introduces a miniature transistor radio, marking a shift toward consumer electronics.
1953: RCA and MBC achieve the first color television transmission.
1954: Increase in radio stations surpasses daily newspaper prints, indicating growing media influence.
1956: The first transatlantic telephone cable systems begin operation.
1957: Russia launches Sputnik, the first satellite, initiating the space age.
1958: Development of integrated circuits by Kilby and Noyce; NASA launches the first U.S. satellite.
1961: FCC approves FM stereo broadcasting, enhancing sound quality.
1962: U.S. radio stations initiate stereophonic sound broadcasts.
1963: Introduction of T1 digital carrier systems for enhanced transmission efficiency.
1965: First commercial communications satellite is launched, expanding global communication.
1970: Introduction of high-definition television (HDTV) in Japan.
1977: Commercial use of optical fiber cables begins, improving data transmission capabilities.
1983: Cellular telephone networks launched in the U.S., revolutionizing communication access.
1999: Implementation of HDTV standards and the beginning of digital television (DTV) transmission in the U.S.

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Description

Test your knowledge on the fundamentals of Electronic Communications Engineering. This quiz covers definitions, historical milestones, and key concepts in the field. Perfect for students looking to enhance their understanding of electronic communication systems.