__________ conversion involves three techniques: line coding,block coding, and scrambling. A) Analog-to-digital B) Digital-to-analog C) Analog-to-analog D) Digital-to-digital

__________ conversion involves three techniques: line coding,block coding, and scrambling.
A)
Analog-to-digital
B)
Digital-to-analog
C)
Analog-to-analog
D)
Digital-to-digital
by

1 Answer

Answer :

Digital-to-digital
by

Related questions

______ provides synchronization without increasingthe number of bits. A) Scrambling B) Line coding C) Block coding D) None of the above

Description : ______ provides synchronization without increasingthe number of bits. A) Scrambling B) Line coding C) Block coding D) None of the above

Last Answer : Scrambling

_______ isnormally referred toas mB/nB coding; it replaceseach m-bit group with an n-bit group. A) Block coding B) Line coding C) Scrambling

Description : _______ isnormally referred toas mB/nB coding; it replaceseach m-bit group with an n-bit group. A) Block coding B) Line coding C) Scrambling

Last Answer : Block coding

_____ provides redundancy toensure synchronization and inherent errordetection. A) Block coding B) Line coding C) Scrambling D) None of the above

Description : _____ provides redundancy toensure synchronization and inherent errordetection. A) Block coding B) Line coding C) Scrambling D) None of the above

Last Answer : Block coding

________ is the process of converting digitaldata to adigital signal. A) Block coding B) Line coding C) Scrambling D) None of the above

Description : ________ is the process of converting digitaldata to adigital signal. A) Block coding B) Line coding C) Scrambling D) None of the above

Last Answer : Line coding

AM and FM are examplesof ________ conversion. A) digital-to-digital B) digital-to-analog C) analog-to-analog D) analog-to-digita

Description : AM and FM are examplesof ________ conversion. A) digital-to-digital B) digital-to-analog C) analog-to-analog D) analog-to-digita

Last Answer : analog-to-analog

PCM is an example of _______ conversion. A) digital-to-digital B) digital-to-analog C) analog-to-analog D) analog-to-digital

Description : PCM is an example of _______ conversion. A) digital-to-digital B) digital-to-analog C) analog-to-analog D) analog-to-digital

Last Answer : analog-to-digital

Computers cannot communicate with each other directly over telephone lines because they usedigitalpulses whereas telephone lines useanalog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission? A. Interface B. Modem C. Attenuation D. Teleprocessor E. None of the above

Description : Computers cannot communicate with each other directly over telephone lines because they usedigitalpulses whereas telephone lines useanalog sound frequencies. What is the name of the device which permits digital to analog ... A. Interface B. Modem C. Attenuation D. Teleprocessor E. None of the above

Last Answer : Modem

1000Base-SX, 1000Base-LX, and 1000Base-CX use _________ block coding and ________ line coding. A) 4B/5B; NRZ B) 8B/10B; NRZ C) 4B/5B; MLT-3 D) 8B/10B; NRZ

Description : 1000Base-SX, 1000Base-LX, and 1000Base-CX use _________ block coding and ________ line coding. A) 4B/5B; NRZ B) 8B/10B; NRZ C) 4B/5B; MLT-3 D) 8B/10B; NRZ

Last Answer : 8B/10B; NRZ

In ________, we combine signals from different sources to fit into a larger bandwidth. A) spread spectrum B) line coding C) block coding D) none of the above

Description : In ________, we combine signals from different sources to fit into a larger bandwidth. A) spread spectrum B) line coding C) block coding D) none of the above

Last Answer : spread spectrum

Demodulation is aprocessof A. converting analog to digital signals B. converting digital to analogsignals C. multiplexing various signals intoone high speed line signals D. performing data description

Description : Demodulation is aprocessof A. converting analog to digital signals B. converting digital to analogsignals C. multiplexing various signals intoone high speed line signals D. performing data description

Last Answer : converting analog to digital signals

Which of the following is not an analog-to-analog conversion? A) AM B) PM C) FM D) QAM

Description : Which of the following is not an analog-to-analog conversion? A) AM B) PM C) FM D) QAM

Last Answer : QAM

The conversion of digital signal into analog for purposes of transmitting into the telephone line is done through ______. A. ISDN B. Radio C. RS232C D. Modem

Description : The conversion of digital signal into analog for purposes of transmitting into the telephone line is done through ______. A. ISDN B. Radio C. RS232C D. Modem

Last Answer : D. Modem

100Base-FX uses_________ block coding and ________ linecoding. A) 4B/5B; NRZ-I B) 8B/10B; NRZ C) 4B/5B; MLT-3 D) 8B/10B; NRZ

Description : 100Base-FX uses_________ block coding and ________ linecoding. A) 4B/5B; NRZ-I B) 8B/10B; NRZ C) 4B/5B; MLT-3 D) 8B/10B; NRZ

Last Answer : 4B/5B; NRZ-I

100Base-TX uses_________ block coding and ________ linecoding. A) 4B/5B; NRZ B) 8B/10B; NRZ C) 4B/5B; MLT-3 D) 8B/10B; NRZ

Description : 100Base-TX uses_________ block coding and ________ linecoding. A) 4B/5B; NRZ B) 8B/10B; NRZ C) 4B/5B; MLT-3 D) 8B/10B; NRZ

Last Answer : 4B/5B; MLT-3

In block coding, ifn = 5, the maximum Hamming distance between two codewords is ________. A) 2 B) 3 C) 5 D) none of the above

Description : In block coding, ifn = 5, the maximum Hamming distance between two codewords is ________. A) 2 B) 3 C) 5 D) none of the above

Last Answer : 5

In block coding, if k =2 and n =3, we have _______ invalid codewords. A) 8 B) 4 C) 2 D) none of the above

Description : In block coding, if k =2 and n =3, we have _______ invalid codewords. A) 8 B) 4 C) 2 D) none of the above

Last Answer : 2

We can divide coding schemes intotwobroad categories: ________ and______coding. A) block; linear B) linear; nonlinear C) block; convolution D) none of the above

Description : We can divide coding schemes intotwobroad categories: ________ and______coding. A) block; linear B) linear; nonlinear C) block; convolution D) none of the above

Last Answer : block; convolution

Block coding can help in _______at the receiver. A) Synchronization B) Error detection C) Attenuation D) (a) and (b)

Description : Block coding can help in _______at the receiver. A) Synchronization B) Error detection C) Attenuation D) (a) and (b)

Last Answer : (a) and (b)

Coding schemes can be divided into two broad categories…………, ……A. character coding, integer coding B. hamming coding and block coding C. Hamming coding and convolution coding D. Block Coding and Convolution Coding.

Description : Coding schemes can be divided into two broad categories…………, …… A. character coding, integer coding B. hamming coding and block coding C. Hamming coding and convolution coding D. Block Coding and Convolution Coding.

Last Answer : D. Block Coding and Convolution Coding.

A hybrid computer a. Resembles digital computer b. Resembles analog computer c. Resembles both a digital and analog computer d. None of the above

Description : A hybrid computer a. Resembles digital computer b. Resembles analog computer c. Resembles both a digital and analog computer d. None of the above

Last Answer : Resembles both a digital and analog computer

A hybrid computer a. Resembles digital computer b. Resembles analog computer c. Resembles both a digital and analog computer d. None of the above

Description : A hybrid computer a. Resembles digital computer b. Resembles analog computer c. Resembles both a digital and analog computer d. None of the above

Last Answer : Resembles both a digital and analog computer

In analog computer a. Input is first converted to digital form b. Input is never converted to digital form c. Output is displayed in digital form d. All of above

Description : In analog computer a. Input is first converted to digital form b. Input is never converted to digital form c. Output is displayed in digital form d. All of above

Last Answer : All of above

A digital computer did not score over an analog computer in terms of a. Speed b. Accuracy c. Cost d. Memory

Description : A digital computer did not score over an analog computer in terms of a. Speed b. Accuracy c. Cost d. Memory

Last Answer : Accuracy

The computer that process both analog and digital is called a. Analog computer b. Digital computer c. Hybrid computer d. Mainframe computer

Description : The computer that process both analog and digital is called a. Analog computer b. Digital computer c. Hybrid computer d. Mainframe computer

Last Answer : Hybrid computer

An example of digital, rather than analog, communication is a. DDD b. DDS c. WATS d. DDT

Description : An example of digital, rather than analog, communication is a. DDD b. DDS c. WATS d. DDT

Last Answer : DDS

In a synchronous modem, the digital-to-analog converter transmits signal to the a. equilizer b. modulator c. demodulator d. terminal e. none of aobve

Description : In a synchronous modem, the digital-to-analog converter transmits signal to the a. equilizer b. modulator c. demodulator d. terminal e. none of aobve

Last Answer : equilizer

The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as: a. modulation b. demodulation c. synchronizing d. digitising

Description : The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as: a. modulation b. demodulation c. synchronizing d. digitising

Last Answer : digitising

The moderntelephone network isnow ________. A) digital B) analog C) digital as well as analog D) none of the above

Description : The moderntelephone network isnow ________. A) digital B) analog C) digital as well as analog D) none of the above

Last Answer : digital as well as analog

The original telephone network, which is referred to as the plainold telephone system (POTS), was an ________system. A) digital B) analog C) digital as well as analog D) none of the above

Description : The original telephone network, which is referred to as the plainold telephone system (POTS), was an ________system. A) digital B) analog C) digital as well as analog D) none of the above

Last Answer : analog

Data from a computer are_______; the local loop handles _______ signals. A) analog; analog B) analog; digital C) digital; digital D) digital; analog

Description : Data from a computer are_______; the local loop handles _______ signals. A) analog; analog B) analog; digital C) digital; digital D) digital; analog

Last Answer : digital; analog

FSM isan _________technique. A) analog B) digital C) either (a)or (b) D) none of the above

Description : FSM isan _________technique. A) analog B) digital C) either (a)or (b) D) none of the above

Last Answer : analog

________conversion is therepresentation ofanalog information by an analog signal. A) Digital-to-analog B) Analog-to-analog C) Analog-to-digital D) Digital-to-digita

Description : ________conversion is therepresentation ofanalog information by an analog signal. A) Digital-to-analog B) Analog-to-analog C) Analog-to-digital D) Digital-to-digita

Last Answer : Analog-to-analog

_______ conversionis the process of changing one of the characteristics ofan analog signal basedon the informationin the digitaldata. A) Digital-to-analog B) Analog-to-analog C) Analog-to-digital D) Digital-to-digital

Description : _______ conversionis the process of changing one of the characteristics ofan analog signal basedon the informationin the digitaldata. A) Digital-to-analog B) Analog-to-analog C) Analog-to-digital D) Digital-to-digital

Last Answer : Digital-to-analog

ASK, PSK, FSK,and QAM are examples of________conversion. A) digital-to-digital B) digital-to-analog C) analog-to-analog D) analog-to-digital

Description : ASK, PSK, FSK,and QAM are examples of________conversion. A) digital-to-digital B) digital-to-analog C) analog-to-analog D) analog-to-digital

Last Answer : digital-to-analog

A(n)_________ signal is a composite analogsignal with an infinite bandwidth. A) digital B) analog C) either (a)or (b) D) neither (a) nor (b

Description : A(n)_________ signal is a composite analogsignal with an infinite bandwidth. A) digital B) analog C) either (a)or (b) D) neither (a) nor (b

Last Answer : digital

_______ signals canhave only alimited number of values. A) Analog B) Digital C) (a) or (b) D) None of the above

Description : _______ signals canhave only alimited number of values. A) Analog B) Digital C) (a) or (b) D) None of the above

Last Answer : Digital

_____ signals can have an infinite number of values ina range. A) Analog B) Digital C) (a) or (b) D) None of the above

Description : _____ signals can have an infinite number of values ina range. A) Analog B) Digital C) (a) or (b) D) None of the above

Last Answer : Analog

_______ data have discretestates and take discrete values. A) Analog B) Digital C) (a) or (b) D) None of the above

Description : _______ data have discretestates and take discrete values. A) Analog B) Digital C) (a) or (b) D) None of the above

Last Answer : Digital

_____ data are continuousand take continuous values. A) analog B) digital C) (a) or (b) D) none of the above

Description : _____ data are continuousand take continuous values. A) analog B) digital C) (a) or (b) D) none of the above

Last Answer : analog

Data canbe ________. A) analog B) digital C) (a) or (b) D) none of the above

Description : Data canbe ________. A) analog B) digital C) (a) or (b) D) none of the above

Last Answer : (a) or (b)

Compared to analog signals, digital signals A. allow faster transmission B. are moreaccurate C. both (a)and (b) D. All of theabove E. None of the above

Description : Compared to analog signals, digital signals A. allow faster transmission B. are moreaccurate C. both (a)and (b) D. All of theabove E. None of the above

Last Answer : both (a)and (b)

A single channel is shared by multiple signals by _____ a. analog modulation b. digital modulation c. multiplexing d. phase modulation

Description : A single channel is shared by multiple signals by _____ a. analog modulation b. digital modulation c. multiplexing d. phase modulation

Last Answer : c. multiplexing

Bits can be sent over guided and unguided media as analog signal by ___________ a. digital modulation b. amplitude modulation c. frequency modulation d. phase modulation

Description : Bits can be sent over guided and unguided media as analog signal by ___________ a. digital modulation b. amplitude modulation c. frequency modulation d. phase modulation

Last Answer : a. digital modulation

The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as a. modulation b. demodulation c. synchronizing d. Digitizing

Description : The process of converting analog signals into digital signals so they can be processed by a receiving computer is referred to as a. modulation b. demodulation c. synchronizing d. Digitizing

Last Answer : b. demodulation

The signal which has infinitely many levels of intensity over a period of time is called ……… A. digital signal B. analog signal C. both a and b D. sound signal

Description : The signal which has infinitely many levels of intensity over a period of time is called ……… A. digital signal B. analog signal C. both a and b D. sound signal

Last Answer : A. digital signal

Which of the following steps is/are not required for analog to digital conversion ? (a) Sensing (b) Conversion (c) Amplification (d) Conditioning (e) Quantization Codes : (A) (a) and (b) (B) (c) and (d) (C) (a), (b) and (e) (D) None of the above

Description : Which of the following steps is/are not required for analog to digital conversion ? (a) Sensing (b) Conversion (c) Amplification (d) Conditioning (e) Quantization Codes : (A) (a) and (b) (B) (c) and (d) (C) (a), (b) and (e) (D) None of the above

Last Answer : (D) None of the above

State working principle of analog to digital and digital to analog conversion.

Description : State working principle of analog to digital and digital to analog conversion.

Last Answer : i) Analog-to-digital Converters: In a digital computer control system, the plant output (or controlled variable) is usually an analog signal, which is measured by sensors (or instruments). This ... that provides an output voltage or current normalized to a full-scale (FS) reference value.

The most common technique to change an analog signal to digitaldata is called __________. A) PAL B) PCM C) sampling D) none of the abov

Description : The most common technique to change an analog signal to digitaldata is called __________. A) PAL B) PCM C) sampling D) none of the abov

Last Answer : PCM

The physical layer is responsible for _____ a) line coding b) channel coding c) modulation d) all of the mentioned

Description : The physical layer is responsible for _____ a) line coding b) channel coding c) modulation d) all of the mentioned

Last Answer : d) all of the mentioned

An example of an analog communication method is a. laser beam b. microwave c. voice grade telephone line d. all of the above

Description : An example of an analog communication method is a. laser beam b. microwave c. voice grade telephone line d. all of the above

Last Answer : all of the above