Description : Band loss is ∙ a. A reduction in transmitter power caused by earth’s surface curvature ∙ b. A reduction in strength of the signal caused by folded dipole bends ∙ c. An attenuation increase caused by bends radiating from the side of the fiber ∙ d. All of these
Last Answer : c. An attenuation increase caused by bends radiating from the side of the fiber
Description : ________ is a typeof transmission impairment in which the signal loses strength due to the different propagation speeds of each frequency that makes up the signal. A) Attenuation B) Distortion C) Noise D) Decibel
Last Answer : Distortion
Description : ________ is a typeof transmission impairment in which the signal loses strength due to theresistance of the transmission medium. A) Attenuation B) Distortion C) Noise D) Decibel
Last Answer : Attenuation
Description : ..................... is a type of transmission impairment in which the signal loses strength due to the resistance of the transmission medium. (A) Attenuation (B) Distortion (C) Noise (D) Decibel
Last Answer : (A) Attenuation
Description : What is the amount of sound reduction provided by a barrier – wall, floor, or ceiling called? A. Sound Attenuation B. Transmission loss C. Sound absorption D. Barrier loss
Last Answer : B. Transmission loss
Description : Decrease in strength of signal is known as A. tuning B. modulation C. attenuation D. amplification
Last Answer : attenuation
Description : The loss in signal power as light travels down a fiber is called a. Dispersion b. Scattering c. Absorption d. Attenuation
Last Answer : d. Attenuation
Description : The loss in signal power as light travels down the fiber is called a. attenuation b. progragation c. scattering d. interruption
Description : The loss in signal power as light travels down the fiber is called ............. A) Attenuation B) Propagation C) Scattering D) Interruption
Last Answer : A) Attenuation
Description : The loss in signal power as light travels down a fiber is called ∙ a. Dispersion ∙ b. Scattering ∙ c. Absorption ∙ d. Attenuation
Last Answer : ∙ d. Attenuation
Description : The random and unpredictable electric signal from natural causes, both internal and external to the system is know as ________. A. Distortion B. Noise C. Attenuation D. Interference
Last Answer : B. Noise
Description : ECE Board Exam November 1996 The loss in signal power as light travels down a fiber is A. attenuation B. propagation C. absorption D. scattering
Last Answer : A. attenuation
Description : Phenomena in which signal transmitted in one circuit creates undesired effect in other circuit is known as A. crosstalk B. signal attenuation C. sampling D. crosslinking
Last Answer : crosslinking
Description : _________can impair a signal. A) Attenuation B) Distortion C) Noise D) All of theabove
Last Answer : All of theabove
Description : Attenuation and noise can impair a signal. True False
Last Answer : True
Description : If the length of the fiber point defect changes with pulse duration, is the OTDR signal deviation a point defect or a region of high fiber attenuation?
Last Answer : A point defect.
Description : Why are visible-light LEDs not used for fiber optics? ∙ a. It has high losses ∙ b. It has short wave ∙ c. It has low attenuation ∙ d. It has weak signal
Last Answer : ∙ a. It has high losses
Description : A telephone cable has following primary constants per loop kilometer ,R=30Ω, L=20mH,C=0.06µF,G=0.If the applied signal has an angular frequency of 5000 rad/sec.., Determine (i) Characteristics impedence (ii) Attenuation constant
Last Answer : A telephone cable has following primary constants per loop kilometer ,R=30Ω, L=20mH,C=0.06µF,G=0.If the applied signal has an angular frequency of 5000 rad/sec.., Determine (i) Characteristics impedence (ii) Attenuation constant
Description : The .............. measures the relative strengths of two signals or a signal at two different points. (A) frequency (B) attenuation (C) throughput (D) decibel
Last Answer : (D) decibel
Description : The presence of standing waves on a transmission line is the result of A. a high level of attenuation on the line. B. terminating the line by a resistive load equal in value to the surge impedance ... input power to below its critical level. D. an impedance mismatch between the load and the line.
Last Answer : D. an impedance mismatch between the load and the line.
Description : _______ is a typeof transmission impairment in which an outside sourcesuch as crosstalk corrupts asignal. A) Attenuation B) Distortion C) Noise D) Decibel
Last Answer : Noise
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 : What three factors must be considered in the transmission of a surface wave to reduce attenuation?
Last Answer : (a) electrical properties of the terrain (b) frequency (c) polarization of the antenna
Description : What is meant by antenna gain? A. The final amplifier gain minus the transmission line losses (including any phasing lines present) B. The ratio of the amount of power produced by the antenna ... D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna
Last Answer : D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna
Description : How to Split an Ethernet Cable Without Losing Signal Strength?
Last Answer : answer:I don't think you can split an ethernet cable, honestly. You could try a switch, which would let you plug in both your DVD player and router to the modem without causing some kind of IP ... plug the DvD player directly into that. Might save you a headache and a couple of bucks to boot.
Description : Explain two problems that can occur during transmission of data. -Technology
Last Answer : TWO problems that can occur during transmission of data are as follows:1. Crosstalk Disturbance caused by the electric or magnetic fields of one signal in an adjacent signal.2. Attenuation During transmission, the signal strength is reduced this phenomenon is called attenuation.
Description : The basic function of technology 'Blue tooth' is to allow a)Landline phone to mobile phone communication b)Signal transmission on mobile phones only c)Satellite television communication d)Wireless communication between equipment.
Last Answer : d)Wireless communication between equipment.
Description : 'Blue tooth' technology allows - 1) Landline phone to mobile phone communication 2) Signal transmission on mobile phones only 3) Wireless communication between equipments 4) Satellite television communication
Last Answer : 3) Wireless communication between equipments
Description : ………… refers to the amount of data that a signal or a circuit can carry. -Technology
Last Answer : Bandwidthrefers to the amount of data that a signal or a circuit can carry.
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 : When we transmit signal over a long distance, the intensity of the signal is reduced. What could be the solution for this problem? -Technology
Last Answer : We can use a networking device called repeater, regenerates the feeble signal and transmit it.
Description : Microwave transmits signals through open space like radio signal. -Technology
Last Answer : TrueIt supports long distance communication through space like radio signal
Description : ___________ acts as the nerve centre that sends control signal to all other units. -Technology
Last Answer : Control Unitacts as the nerve centre that sends control signal to all other units.
Description : How to download Signal in PC (Windows 10) -Technology
Last Answer : Download for Windows just click this link
Description : How to use SIGNAL on desktop ??? -Technology
Last Answer : If a person want's to use SIGNAL on his/her deskstop or Laptop they can use the below link to download it https://signal.org/en/download/ But a mandatory thing is that the user should already have the SIGNAL app on his/her mobile
Description : Which guided media provide secure transmission amongst all of them? -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 : Compare and contrast the two wireless transmission media; bluetooth and infrared. -Technology
Last Answer : Bluetooth and Infrared both are short range wireless transmission media. This is the only point at which both these data transmission technologies look similar but there is a lot of difference ... other hand bluetooth uses a radio frequency which allows transmission through walls and other objects.
Description : Which of the following uses cables to connect two or more computers? (a) Transmission (b) Unguided -Technology
Last Answer : (c) In guided media, signals are guided through cables.
Description : Which of the following is not a transmission medium? (a) Telephone lines (b) Co_axial cable (c) Modem (d) Microwave system -Technology
Last Answer : (c) All are communication channel but modem is a dev that convert analog signals to digital signals or vice-versa
Description : Microwave transmission is an example of line_of_sight transmission. -Technology
Last Answer : TrueMicrowave are the radiowave which supports line-of-sight transmission.
Description : What are the two distinct stages of message transmission in the two step flow theory? -Technology
Last Answer : The Two Step Flow theory proposed by Paul Lazarsfeld, states that messages from the media get transmitted in two distinct stages:1. Through Opinion Leaders who pay close attention to the mass ... 2. These opinion leaders then pass their own interpretations in addition to the actual media content.
Description : Loss due to the diffraction of light when it strikes on the irregularities formed during the manufacturing process of the fiber optics. A. Absorption loss B. Attenuation C. Bending loss D. Rayleigh scattering loss
Last Answer : D. Rayleigh scattering loss
Description : Which of the following mechanical properties of a material is most structure insensitive? (A) Modulus of elasticity (young's modulus) (B) Toughness (C) Percentage reduction of area (D) Tensile strength
Last Answer : (A) Modulus of elasticity (young's modulus)
Description : Reduction in the grain size reduces the __________ of the material. (A) Fatigue resistance (B) Tensile strength (C) Creep resistance (D) All (A), (B) & (C)
Last Answer : (C) Creep resistance
Description : Exposure to SO2 containing chimney gases results in the (A) Reduction in strength of leather & cloth (B) Acceleration of corrosion rates of metals (C) Increased drying & hardening time of paints (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) & (C)