HISTORICAL PERSPECTIVE Flashcards

1
Q

Used to convey messages from about 700 B.C.E.

A

Carrier pigeons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

It is where the first long-distance communication
systems were based on (e.g. drums and horns,
smoke signals and beacon fires).

A

signals of sound and light

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

_________ alerted the British of the arrival of the
Spanish Armada in _______ C.E.

A

Signal Fires, 1588

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The Chinese used _______ as signals to warn of an
imminent attack on the ___________.

A

rockets, Great Wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Native Americans communicated by covering and
uncovering a ________ with a blanket to produce ____________ or by beating _____.

A

bonfire, smoke signals, drums

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

The British Navy sent signals at night by raising and
lowering a _______, which coincidentally was the same way _________ was signaled with news of the arrival of the British.

A

lantern, Paul Revere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

In instances when clear vision was difficult (e.g., fog),
______ or ______ and ________ sent signals.

A

bellS, whistleS, fired weaponS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Used in traditional long-distance communication until almost 1800

A

horse-mounted dispatch riders

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

_________________ developed an __________________ (semaphore) system of stations built on rooftops or _______ that were visible from a great distance in year _________.

A

Frenchman Claude Chappe, optical telegraph, towers, 1793

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Each semaphore station consisted of a column-like _______ with a moveable ______. Attached to the beam were two moveable ________.

A

tower, beam, arms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

In a sempahore, the beam and arms were swiveled with ______, conveying different signal patterns representing upper- and lowercase _______, _________ marks, and __________. A set of patterns was translated into words by an _________ at another station, who then sent it on to the next station.

A

ropes, letters, punctuation, numbers, observer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Semaphore, This system allowed the ______ to send a concise message over _____ miles (160 km) in less than ____ min as long as visibility was good.

A

French, 100, 5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

_____________ developed another type of optical telegraph system
with ten collapsible _____________, which when placed in various positions formed combinations of numbers that were translated into ________, _________, or _______. _______ semaphore systems were also used in Boston, New York City, and San Francisco at that time.

A

SWEDE A. N. EDELCRANTZ, iron shutters, letters, words, phrases, crude

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

________________ transmitted the first practical ___________ in ______, by sending electricity through a long set of wires to produce ______________ that was used to ring a bell.

A

Joseph Henry, electrical signal,1830, electromagnetism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

____________ patented the first functional electrical ______________ system in ______: the electric telegraph with its system of electrical ________ identified as ______ and ______ that eventually became known as Morse Code.

A

Samuel Morse, communication, 1831, impulses, dots, dashes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

The first message sent by electric telegraph was
“What hath God wrought,” from the Supreme Court
Room in the U.S. Capitol to the railway depot at Baltimore on ______________.

A

May 24, 1844

17
Q

In _________, there were over ________ telegraph offices in operation across America and the East and West coasts were connected.

A

1861, 2,000

18
Q

In electrical telegraph,

Six years later, the first _____________ was
laid, connecting _______ and the United States. The telegraph flourished as a method of long-distance communication throughout the world.

A

transatlantic cable, England

19
Q

________________ invented an electrical speech machine that transmitted voice over wires and became known as the _______, on __________, in Boston, Massachusetts.

A

ALEXANDER GRAHAM BELL , telephone, March 10, 1876

20
Q

“Mr. Watson, come here, ______________!” were the first words accidentally spoken into the new invention of Alexander Graham Bell.

A

‘I want you’ , unya ikaw want ka?

21
Q

In _________, the first telephone company, ______________, was formed and over 30 000 phones were in use.

A

1880, American Bell

22
Q

About _________, over ten million American Bell System telephones were in service.

A

1920

23
Q

______________ was an italian inventor who demonstrated the first radio transmission in _______ that was received out of a line of sight (about 2 miles) on the grounds of his family estate in Italy.

A

GUGLIEMO MARCONI , 1895

24
Q

Six years later (1901) in Newfoundland, Canada, Marconi’s radio received a weak signal that was sent across the ________ by one of his associates in __________, England. The signal was an “___” sent in Morse Code format, “dot, dot, dot.” It demonstrated that radio waves could bounce off the ______________.

A

Atlantic Ocean, Cornwall, S, upper atmosphere

25
Q

The first true radio message was sent a year later, which is year________.
Less than 50 years after the telephone was invented, transatlantic communications from New York to ________ became operational with signals transmitted by ___________.

A

1902, London, radio waves

26
Q

____________ was an Italian physicist who invented a ______________ in _______ for transmitting pictures, the first commercial _____ system.

A

GIOVANNI CASELLI , pantelegraph , 1865, fax

27
Q

The first transmission of pictures over telephone wires was publicly demonstrated on _____________.

A

May 19, 1924

28
Q

On _____________, John Logie Baird of Scotland gave the first public demonstration of a _____________ with images of living human faces, not just outlines or silhouettes. It was with this use of ___________ that transmission of pictures took a major step toward the television we use today.

A

January 23, 1926, mechanical television, radio waves