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

1 Answer

Answer :

converting analog to digital signals

Related questions

Description : Modulation is theprocessof A. converting analogsignals todigital signals B. converting digital signals toanalog signals C. Multiplexing various signals intohigh speed line signals D. performing data encryption

Last Answer : converting digital signals toanalog signals

Description : Demodulation is the process of A. converting digital signals toanalog signals B. converting analogsignals todigital signals C. combining many low speed channels into onehigh speed channel D. dividing the high-speed signals into frequency bands E. None of the above

Last Answer : converting analogsignals todigital signals

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

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

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

Description : _____ isan analog multiplexing technique to combine optical signals. A) FDM B) TDM C) WDM D) None of the above

Last Answer : WDM

Description : Which multiplexing technique transmits analog signals? A) FDM B) TDM C) WDM D) (a) and (c)

Last Answer : (a) and (c)

Description : Which multiplexing technique transmits digital signals? A) FDM B) TDM C) WDM D) None of the above

Last Answer : TDM

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

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

Last Answer : Digital

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

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)

Description : Which multiplexing technique involves signals composed of light beams? A) FDM B) TDM C) WDM D) none of the above

Last Answer : WDM

Description : You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and192.168.7.0. What subnet mask can you use to combine these addresses intoone? A. 255.255.252.0 B. 225.255.254.0 C. 255.255.255.240 D. 255.255.255.252

Last Answer : 255.255.252.0

Description : The receive GCE system in an earth station performs what function(s)? A. Modulation and multiplexing B. Up conversion C. Demodulation and demultiplexing D. Down conversion

Last Answer : C. Demodulation and demultiplexing

Description : _____ isa digital multiplexing technique for combiningseveral low-ratechannels into onehigh-rate one. A) FDM B) TDM C) WDM D) None of the above

Last Answer : TDM

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

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

Last Answer : Digital

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

Last Answer : analog

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

Last Answer : (a) or (b)

Description : __________ 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

Last Answer : Digital-to-digital

Description : TCP helps in converting the digital signal to analog signal and vice_versa. -Technology

Last Answer : False The process of converting digital signal into analog signal is called modulation and is done by a modem.

Description : List out the various methods available for performing for analog multiplier.

Last Answer : • Logarithmic summing technique • Pulse height /width modulation technique • Variable transconductance technique • Multiplication using gilbert cell • Multiplication technique using transconductance technique

Description : Signals can be ________. A) analog B) digital C) either (a)or (b) D) neither (a) nor (b)

Last Answer : either (a)or (b)

Description : The digital signals to analog signals are carried out by ………., so that data can travel over telephone lines. -Technology

Last Answer : The digital signals to analog signals are carried out by MODEMso that data can travel over telephone lines.

Description : Which of the following statements is NOT correct ? (A) Computer is capable of processing only digital signal (B) Computer is capable of analysing both quantitative and qualitative data (C) Appropriate ... for processing the data (D) Computer is capable of processing digital as well as analog signals

Last Answer : Answer: A

Description : ________is the set of techniques that allows the simultaneous transmission of multiple signalsacrossa single data link. A) Demodulating B) Multiplexing C) Compressing D) None of the above

Last Answer : Multiplexing

Description : The sharing of a medium and its link by two or more devices is called _______. A) modulation B) encoding C) line discipline D) multiplexing

Last Answer : multiplexing

Description : Which of the following performs modulation and demodulation? a. fiber optics b. satellite c. coaxial cable d. modem e. none of the above

Last Answer : modem

Description : Which of the following is used for modulation and demodulation? A. modem B. protocols C. gateway D. multiplexer E. None of the above

Last Answer : modem

Description : Which of the following performs modulation and demodulation? a. fiber optics b. satellite c. coaxial cable d. Modem

Last Answer : d. Modem

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

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

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

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

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

Last Answer : DDS

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

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

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

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

Last Answer : analog

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

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

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

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

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

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

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

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

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