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comms 1 > TIMELINE OF MILESTONES IIN HUMAN AND ELECTRONIC COMMUNICATION > Flashcards

TIMELINE OF MILESTONES IIN HUMAN AND ELECTRONIC COMMUNICATION Flashcards

1
Q

1830

A

Professor Joseph Henry transmitted the first practical electrical
signal.

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2
Q

Professor Joseph Henry transmitted the first practical electrical
signal.

A

1830

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3
Q

1837

A

Samuel Morse invented the telegraph.

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4
Q

Samuel Morse invented the telegraph.

A

1837

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5
Q

1876

A

Alexander Graham Bell and Thomas A. Watson invented the
telephone.

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6
Q

Alexander Graham Bell and Thomas A. Watson invented the
telephone.

A

1876

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7
Q

1887

A

Heinrich Hertz discovered radio waves.

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8
Q

Heinrich Hertz discovered radio waves.

A

1887

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9
Q

1887

A

Guglielmo Marconi demonstrated wireless radio wave
propagation.

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10
Q

Guglielmo Marconi demonstrated wireless radio wave
propagation.

A

1887

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11
Q

1901

A

Guglielmo Marconi accomplished the first transatlantic
transmission of radio signals

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12
Q

Guglielmo Marconi accomplished the first transatlantic
transmission of radio signals

A

1901

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13
Q

1903

A

John Fleming invented the two-electrode vacuum-tube rectifier

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14
Q

John Fleming invented the two-electrode vacuum-tube rectifier

A

1903

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15
Q

1906

A

Lee De Forest invented the triode vacuum tube.

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16
Q

Lee De Forest invented the triode vacuum tube.

A

1906

17
Q

1923

A

Vladimir Zworykin invented and demonstrated television.

18
Q

Vladimir Zworykin invented and demonstrated television.

A

1923

19
Q

1948

A

William Shockley, Walter Brattain and John Bardeen invented the
transistor.

20
Q

William Shockley, Walter Brattain and John Bardeen invented the
transistor.

A

1948

21
Q

1959

A

The integrated circuit was invented.

22
Q

The integrated circuit was invented.

A

1959

23
Q

1965

A

The first commercial communications satellite was launched

24
Q

1983

A

The cellular telephone network was first introduced in the United
States.

25
Q

The cellular telephone network was first introduced in the United
States.

A

1983

comms 1 (3 decks)

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