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Electrical Engineering > Telecom > Flashcards

Telecom Flashcards

1
Q

The time value of information TVI is a concept meant to express which of the following?

A

The fact that its not only important what information you obtain and how accurate it is but how soon you receive it.

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2
Q

Which of the following are examples of communications as referred to in this course

A

The transfer of meaningful information from one location to a second location. Communications at a distance. And communications by electrical or electromagnetic means

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3
Q

The difference between reliability versus availability can be explained as follows

A

Both availability and reliability are quantitative assessments of a systems performance

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4
Q

Which of the following is the best answer that explains the difference between data and information

A

Data and information are not the sme thing the information convoyed depends on the meaning assigned to data

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5
Q

The basic elements of a telecommunications system are

A

Transmitter, medium, receiver

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6
Q

Some requirements of the public telephone system would be

A

Available when you need it and trouble free and reliable. Easy to use and learn. Universal

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7
Q

The following are examples of communications that must employ real time or nearly real time communications

A

Full duplex voice call, television broadcast, control application

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8
Q

T or f in the us the telecommunications industry has consisted of public government owned companies that were the subject of regulation whereas in most other countries the telecommunications industry is operated by a private company

A

False

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9
Q

Who invented the telephone and when was it patented

A

Alexander graham bell 1876

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10
Q

What was the name of the telephone company that in 1885 was established to provide long distance intercommunications for bell franchised phone companies making universal service ie phone calls from any region to any region possible

A

AT&T

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11
Q

In what year did the original bell patents expire

A

1893

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12
Q

The official government reason for regulation in the early days (pre 1900s to 1920) of the telephone systems were

A

To ensure that start up fledgling companies could get started and to protect their investment

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13
Q

Other reasons for regulation and or were

A

System wide compatibility, prevention of interface thus promoting reliable telecommunications

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14
Q

What agency currently regulates radio and tv spectrums to prevent or mitigate interference

A

Federal Communications Commission

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15
Q

T/F AT&T is the only telecommunications company currently not regulated by the FCC

A

False

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16
Q

T/F in the US. It is legal to own and operate a monopoly

A

True

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17
Q

Under the kingsbury commitment, AT&T Vice President, Nathan c kingsbury relented and agreed to do….

A

Dispose of its stock in western union, allow independent telephone companies to interconnect to its facilities, get approval from the icc before acquiring any additional independent telephone companies

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18
Q

The kingsbury commitment is significant for what reason

A

It made it possible for all communications companies to be interconnected into one nation wide network

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19
Q

AT&T long distance interconnections together with the franchised bell telephone companies formed or I prided what entity

A

The bell system

20
Q

Which act of congress declared it unlawful for a company to thwart competition

A

The Sherman antitrust act

21
Q

Which act of congress recognized AT&T monopoly

A

None listed

22
Q

The telecommunication act of 1934 established which federal agency

A

The Federal Communications Commission FCC

23
Q

The FCC is responsible and has jurisdiction over the regulation of telecommunications fr what

A

Interstate and international communications

24
Q

The FCC is not an independent agency and is not a cabinet level department T /F

A

True

25
Q

How are the FCC appointed

A

By president of US

26
Q

Tariffs are taxes on telecommunications services that cross state boundaries T/F

A

False

27
Q

This event kept AT&T out of the data processing or computer business but allowed it o keep Western electric

A

The AT&T consent decree

28
Q

The carter fine decision FCC. Decision which allowed the interconnection of private radio systems with the telephone system took plac in what year

A

1968

29
Q

The MCI decision resulted in what

A

MCI microwave communications incorporated was allowed to get into the long distance business

30
Q

Computer inquiry 1was significant because it did what

A

Said that the data processing industry was not the subject of call by the FCC

31
Q

In 1971 the FCC declared that with few restrictions anyone could get into the. Satellite business what was the decision called

A

None listed

32
Q

The essential difference between analog and digital is

A

Analog all ranged value valid, digital only discrete values are

33
Q

In 1981 computer inquiry 2 was significant for what reason

A

All above

34
Q

Which caused breakup of bell system and formation of the seven regional bell telephone companies

A

The modified final judgement and divestiture

35
Q

Equal access point at the telephone central office within Lata where the long distance companies provide which interconnects to the local phone system

A

point of presence POP

36
Q

QAM is a technology that combines what

A

Amplitude and phase modulation

37
Q

Channel only supports 1000 baud what is the best modulation scheme to allow to send at least 10 k bit per sec through channel

A

2048-QAM

38
Q

A square wave is sent into a cable after one mile the wave form is examined and found to be rounded off at the corners what causes it

A

Higher order harmonic series

39
Q

With fm the amplitude of information signal controls …?

A

The frequency of the carrier

40
Q

Under the telecommunications act of 1934 could AT&T offer local phone service

A

No

41
Q

In a de ision announced in 1986 and reaffirmed in 1987 the FCC ordered that the BOC and AT&T can offer unregulated enhanced services if the companies agree to a complex set of provisions was called….

A

Computer inquiry 3

42
Q

Mean time between failures is an expression relating directly to which parameter of a telecommunication system

A

Reliability

43
Q

Under provisions of the telecommunications act 1996 it is finally possible for long distance companies to do what

A

Offer local services

44
Q

T/F the telecom act 1934 is designed to promote more ok petition in the telecom industry and gives the ability for local phone companies to offer long distance

A

False

45
Q

Prior to the telecom act 1996 what entity can carry phone calls across Lata boundaries

A

Long distance carriers

Electrical Engineering (2 decks)

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