Description : An example of ananalog communication method is A. laser beam B. microwave C. voice grade telephone line D. All of theabove E. None of the above
Last Answer : All of theabove
Description : An example of digital, rather than analog, communication is a. DDD b. DDS c. WATS d. DDT
Last Answer : DDS
Description : Telephone companiesprovidetwotypes of analog services: analog _______services andanalog _____services. A) switched; in-band B) out-of-band; in-band C) switched; leased D) leased; out-of-band
Last Answer : switched; leased
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 : 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 : Which of the following is not a transmission medium? a. telephone lines b. coaxial cables c. modem d. microwave systems
Last Answer : microwave systems
Description : Which of the following transmission systems provide the highest data rate to in individual device? a. computer bus b. telephone lines c. voice and mode d. lease lines
Last Answer : computer bus
Description : ________uses four pairsof voice-grade, or higher, twisted-pair cable. A) 100Base-TX B) 100Base-FX C) 100Base-T4 D) none of the above
Last Answer : 100Base-T4
Description : BSNL land line telephone network is an example of a network. A. Packet switched B. Circuit switched C. Bit switched D. Line switched
Last Answer : B. Circuit switched
Description : A local telephone network is an example of a _______ network. a) Packet switched b) Circuit switched c) Bit switched d) Line switched
Last Answer : b) Circuit switched
Description : A local telephone network is an example of a network. a. Packet switched b. Circuit switched c. Bit switched d. Line switched
Last Answer : b. Circuit switched
Description : Which of hte following is considered a broad band communication channel? a. coaxial cable b. fiber optics cable c. microwave circuits d. all of above
Last Answer : all of above
Description : The channel in the data communication model can be a. postal mail services b. telephone lines c. radio lines d. any of the above
Last Answer : any of the above
Description : The largest portionof the bandwidth for ADSLcarries_______. A) voice communication B) upstream data C) downstream data D) control data
Last Answer : downstream data
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 : 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
Description : The required resources for communication between end systems are reserved for the duration of the session between end systems in ________ method. a) Packet switching b) Circuit switching c) Line switching d) Frequency switching
Last Answer : b) Circuit switching
Description : The required resources for communication between end systems are reserved for theduration of the session between end systems in method. a. Packet switched b. Bit switched c. Line switched d. Circuit switched
Last Answer : d. Circuit switched
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 : 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
Description : A local telephone network isan example of a_______ network. A) packet-switched B) circuit-switched C) message-switched D) none of the above
Last Answer : circuit-switched
Description : Use of an ordinary telephone as an Internet appliance is called: (A) voice net (B) voice telephone (C) voice line (D) voice portal
Last Answer : (C) voice line
Description : Which of the printers used in conjunction with computers uses dry ink power? a. Daisy wheel printer b. Line printer c. Laser printer d. Thermal printer
Last Answer : Laser printer
Description : Which method is used for creating a photo with the help of a laser beam in 3D?
Last Answer : Holography
Description : 3. In term of Digital evidence, a mobile telephone is an example.of a. Open Computer System b. Communication System c. Embedded Computer System d. None of the Above
Last Answer : c. Embedded Computer System
Description : . In terms of digital evidence, a mobile telephone is an example of: a. Open computer systems b. Communication systems c. Embedded computer systems d. None of the above
Last Answer : c. Embedded computer systems
Description : In terms of digital evidence, a mobile telephone is an example of: a. Open computer systems b. Communication systems c. Embedded computer systems d. None of the above
Description : In terms of digital evidence, a mobile telephone is an example of: A. Open computer systems B. Communication systems C. Embedded computer systems D. None of the above
Last Answer : C. Embedded computer systems
Description : Telephone is an example of (A) linear communication (B) non-linear communication (C) circular (D) mechanised
Last Answer : (A) linear communication
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.
Last Answer : Wireless Or Wireless Network Of use As a result Analog Telephone Of Place Possession By Takes Digital Telephone.
Description : Binary communications systems are better because A. they can interface directly with the analog telephone network B. the components are simpler, less costly, and more reliable C. people think better in binary D. interstate calls are less costly
Last Answer : B. the components are simpler, less costly, and more reliable
Description : The piece of hardware that converts your computers digital signal to an analog signal that can travel over telephone lines is called a: a) Red Wire b) Blue Cord c) Tower d) Modem e) None of These
Last Answer : d) Modem
Description : A modem- 1) Translates along Signals from a computer into digital Signals that can travel along conventional telephone lines 2) Translates digital Signals from a computer into analog Signals that can ... conventional telephone lines 3) Demodulates digital Signals from a computer. 4) None of these
Last Answer : 4) None of these
Description : The device that converts digital signals to analog signals at the start of long distance transmissions is (1) peripheral (2) modem (3) telephone (4) antenna
Last Answer : modem
Description : Which data communication method is used to transmit the data over a serial communication link? a. simplex b. half-duplex c. full-duplex d. b and c e. None of above
Last Answer : full-duplex
Description : Write down the name of communication channel used for telephone line and TV. -Technology
Last Answer : Communication channel for telephone line is twisted pair cable and for TV is co-axial cable.
Description : Communication channel for telephone line is twisted pair cable and for TV is co_axial cable. -Technology
Last Answer : Optical fibre provides secure transmission as compared to twisted pair and co-axial cable. As, it is more immune to tapping than copper cables.
Description : Write down the name of communication channel used for telephone line and TV -Technology
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 : 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 : 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 : Analog computer works on the supply of a. Continuous electrical pulses b. Electrical pulses but not continuous c. Magnetic strength d. None of the above
Last Answer : Continuous electrical pulses
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 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 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