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Electronics Communication > Introduction to Electronics Communication > Flashcards

Introduction to Electronics Communication Flashcards

1
Q

What are the types of Communication

A

Verbal, Non Verbal, Print, Electronic Processes

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2
Q

What is the chain system of communication by blocks based on Ma’am Joyce Powerpoint

A

Information to Transmitter to Medium to Receiver

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3
Q

Electric Component that Converts an information to an electronic signal

A

Transmitter

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4
Q

A form of Channel Impairment, an unwanted signal that interferes with the communications during the channeling of the information

A

Noise

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5
Q

An electronic components that consist of oscillators, amplifiers, tuned circuits, filters, modulators, frequency mixers, frequency synthesizers, and such

A

Transmitter

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6
Q

What are the 3 types of Channel

A

Electrical Conductors, Optical Media, Free Space

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7
Q

A simplest type of channel that uses a pair of wires like coaxial cable for tv signals or twisted-pair cable for LAN connections

A

Electrical Conductors

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8
Q

Type of Medium/Channel that uses fiber optic cable that carries message thru light waves, most used in internet connection

A

Optical Media

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9
Q

Type of Medium/Channel that are mostly used by radio and mostly carries electromagnetic signals to travel over a very long distance

A

Free Space

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10
Q

A collection of electronic component that consist of oscillators, amplifiers, mixers, tuned circuits, demodulator/detector that recovers original intelligence/information from the modulated carrier

A

Receiver

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11
Q

Information source = Source Encoder - Channel Encoder - Modulator = Channel = Demodulator/Detector - Channel Decoder - Source Decoder = Information Sink

A

Communications System

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12
Q

A electronic component that both function as Transmitter and Receiver

A

Transceiver

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13
Q

3 forms of Channel Impairments

A

Attenuation, Noise, Distortion

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14
Q

Form of Channel Impairments thru the loss of signal strength (lowering of volume)

A

Attenuation

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15
Q

A channel impairment that alters the basic waveform

A

Distortion

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16
Q

Type of Distortion that changes the amplitude or phase without adding new frequencies.

A

Linear Distortion

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17
Q

Type of Distortion when a new frequency is added to the waveform causing an slight interference

A

Non-Linear Distortion

18
Q

A type of signal that is continuous change of voltage/current

A

Analog signal

19
Q

A type of signal that is not continuous but increment changes like a step

A

Digital Signal

20
Q

A simplest way of Communication that only allows one way of communication(only receive/ only transmit) example: television, Radio

A

Simplex

21
Q

A form of two-way communication that allows both connection to transmit and receive but only one at a time

A

Half Duplex

22
Q

A form of two-way communication that allows both connection to transmit and receive simultaneously

A

Full Duplex

23
Q

A transmitting technique that converts information/intelligence into a more compatible form for the medium/channel

A

Modulation

24
Q

A transmitting technique that allows more than one signal to be transmitted on the same medium

A

Multiplexing

25
Q

A Transmission of a signal that are not converted into a high frequency signal and are mainly used for short distances (LAN network)

A

Basedband Transmission

26
Q

A Transmission of signal that transmit data, voice, and video across long distances and at high speeds. Common mediums of transmission include coaxial cables, fiber optic cables, and radio waves

A

Broadband Transmission

27
Q

A type of modulation that varies the amplitude of the signal

A

Amplitude Modulation

28
Q

A type of modulation that varies the frequency of the signal

A

Frequency Modulation

29
Q

A type of modulation that varies the phasing of the signal

A

Phase Modulation

30
Q

A type of modulation that converts data into frequency-varying tones

A

Frequency-shift Keying

31
Q

A type of modulation that introduces a 180 degree phase shift

A

Phase-shift Keying

32
Q

A type of modulation that translate data from ditigal to analog and vice versa

A

Modem

33
Q

Opposite of Multiplexer

A

Demultiplexer

34
Q

A type of Multiplexing that fits the all the different frequency signal into a bandwidth channel and then to be transmitted

A

Frequency-division multiplexing

35
Q

A type of Multiplexing that sequentially sends frequency signals one at a time in a fast rate

A

Time-division multiplexing

36
Q

A type of Multiplexing that are converted to digital data that is coded by binary codes.

A

Code-division multiplexing

37
Q

A range of waves that has both electric and magnetic field that oscillates

A

Electromagnetic Spectrum

38
Q

A rate/number of cycles a wave has propagated

A

Frequency

39
Q

A rate/number of cycles a wave has propagated

A

Frequency

40
Q

A distance occupied in 1 cycle of wave, inversely proportional with frequency

A

Wavelength

41
Q

Speed of light

A

300,000,000 m/s

42
Q

A portion of electromagnetic spectrum occupied by a signal, Upper Frequency - Lower Frequency to get this

A

Bandwidth

Electronics Communication (1 decks)

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