Microwave transmits signals through open space like radio signal. -Technology

1 Answer

Answer :

TrueIt supports long distance communication through space like radio signal

Related questions

Description : ____ system transmits frequency-division-multiplexed voice band signals over a coaxial cable for distances up to 4000 miles. A. T carrier B. X carrier C. L carrier D. F carrier

Last Answer : C. L carrier

Description : A traditional cable TV network transmits signals ______. A) upstream B) downstream C) upstream and downstream D) none of the above

Last Answer : downstream

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

Last Answer : TDM

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

Last Answer : (a) and (c)

Description : A noiseless 3 KHz Channel transmits bits with binary level signals. What is the maximum data rate? A. 3 Kbps B. 6 Kbps C. 12 Kbps D. 24 Kbps

Last Answer : 6 Kbps

Description : Which one of the following statements is correct regarding the GPS satellites? (A) The nominal altitude is about 20,200 km (B) The inclination of axis satellite is 55° (C) The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz) (D) All of these

Last Answer : Answer: Option D

Description : The device in communication satellites which receives signals from an earth station and transmits them to different directions is (1) Transformer (2) Transistor (3) Transponder (4) Transducer

Last Answer : Transponder

Description : In radio signal emission designation, the fifth symbol means A. Details of signals B. Type of information transmitted C. Nature of multiplexing D. Nature of signal modulating the main carrier

Last Answer : C. Nature of multiplexing

Description : Can digital radio communications be formatted to know whether a signal went through?

Last Answer : Most computers communicate with error-correction protocols that ensure that the signal received actually matches the signal sent. Some protocols (many Instant Messengers) have that feature built0in; when I ... at notification. For radios, it's technically possible, but unlikely to be implemented.

Description : Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Last Answer : ANSWER: B

Description : Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Last Answer : ANSWER: B

Description : Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Last Answer : ANSWER: B

Description : Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves

Last Answer : ANSWER: B

Description : What digital carrier transmits a digital signal at 274.176 Mbps? A. T1 B. T3 C. T2 D. T4

Last Answer : D. T4

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 : Consider a CSMA/CD network that transmits data at a rate of 100 Mbps (108 bits per second) over a 1 km (kilometre) cable with no repeaters. If the minimum frame size required for this network is 1250 bytes, what is the signal speed (km/sec) in the cable? a. 8000 b. 10000 c. 16000 d. 20000

Last Answer : d. 20000

Description : Which of the following is not a common microwave application? A. Radar B. Data transmission C. Space communications D. Mobile radio

Last Answer : D. Mobile radio

Description : A means of beyond the line-of-sight propagation of microwave signal. A. Space wave B. Microwave link C. Troposcatter D. Point-to-point

Last Answer : C. Troposcatter

Description : Identify the odd term amongst the following. (a) Microwave (b) Radiowave (c) Bluetooth -Technology

Last Answer : (d) Except optical fibre, all are wireless transmission media.

Description : Modulation and demodulation is performed by (a) Microwave (b) Satellite (c) Modem -Technology

Last Answer : (c) Modem converts digital signals to analog signals or analog signals to digital signals for the purpose of transmitting data over telephone lines or vice-versa.

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 : In RF and microwave system, what instrument is used to measure the incidental and reflected signals?

Last Answer : reflectometer

Last Answer : Sometimes microwave signals follow the earth’s curvature. This due to Ducting.

Last Answer : Waveguide are used mainly for microwave signals because They would be too bulky at lower frequencies.

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 : The anchor tag signals the beginning of the text. -Technology

Last Answer : False Anchor tag is used to create hyperlinks not text.

Description : Firewall: (a) Amplifies weak outgoing signals to stronger ones -Technology

Last Answer : (d) A firewall can either be software based or hardware based and is used to prevent intruders from accessing your system.

Description : Explain the difference between analogue and digital signals. -Technology

Last Answer : Analogue Signal- An analogue signal is any continuous signal. Varying quality of a signal represents changes in the process. Analogue is usually thought of in an electrical context; however, mechanical ... or icons, or continuous, such as sounds, images, and other measurements of continuous systems.

Description : __________ transmits one bit of data through a single wire. A. Serial Port B. Fire wire C. Parallel Port D. None of the Above

Last Answer : A. Serial Port

Description : ECE Board Exam March 1996 It is a spacecraft placed in orbit around the earth carrying onboard microwave receiver and transmitting equipments. A. Fiber optic equipment B. Communications satellite C. Wireless radio system D. Coaxial cable syste

Last Answer : B. Communications satellite

Description : ECE Board Exam March 1996 The K-factor under normal atmospheric conditions in a microwave radio data profile calculation is equal to ___________. A. 2/3 B. 0 C. 4/3 D. Infinity

Last Answer : C. 4/3

Description : Is the timer signal in Jenn Air JMV8186AAB 1.9 CuFt Over-The-Range Microwave Oven, is both audio and light signal?

Last Answer : The Jenn Air Over the Range Microwave oven, has audio signals for a timer.

Description : A component that samples the microwave signal travelling in one direction down to the transmission line A. Isolator B. Combiner C. Directional coupler D. Attenuator

Last Answer : C. Directional coupler

Description : In a microwave test bench, why is the microwave signal amplitude modulated at 1 kHz?  (1) To increase the sensitivity of measurement (2) To transmit the signal to a far-off place (3) To study amplitude modulation (4) Because crystal detector fails at microwave frequencies

Last Answer : In a microwave test bench, why is the microwave signal amplitude modulated at 1 kHz?  Because crystal detector fails at microwave frequencies

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 : Why does the SETI Institute (Search for Extra Terrestrials) assume the radio signals aliens might send are anything like what we call radio signals?

Last Answer : IT DOESN'T TO ME EITHER :D:D:D:D I'm glad someone's finally brought this up. I'd love to see a UV detector, like different shades. Filter out the known stars and see what else is giving ... and it was say 3 million light years away, then anything we're detecting now happened 3 million years ago!

Description : In which decade with the first transatlantic radio broadcast occur? -Technology

Last Answer : In which decade with the first transatlantic radio broadcast occur? Explanation : On December 12, 1901, a radio transmission received by Guglielmo Marconi resulted in the first transmission of a transatlantic wireless signal (Morse Code) from Poldhu, Cornwall, to St. John's, Newfoundland.

Description : Compare any two genres of radio programme. -Technology

Last Answer : Students to mention briefly about any two genres of Radio Programme from – Radio Play, News Bulletins, News Reels, Radio Documentaries, Countdown Shows, Radio Talk, Quiz Show, etc.

Description : Shiva has placed two radio button on a payment form designed in NetBeans to accept mode of payment one out of cash or card. -Technology

Last Answer : Shiva has forgot to attach both the radio buttons to one button group to make them mutually exclusive.

Description : Shiva has placed two radio button on a payment form designed in NetBeans to accept mode of payment one out of cash or card. To his surprise, -Technology

Last Answer : Shiva has forgot to attach both the radio buttons to one button group to make them mutually exclusive.

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 : 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 : Reduction of signal strength during transmission is called attenuation. -Technology

Last Answer : TrueDuring transmission, the signal strength is reduced, this phenomenon is called attenuation.

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 : If you are over 40, do you remember the first time you saw a microwave?

Last Answer : answer:I saw my first microwave in a store. I was appalled at the direction I thought the art of food preparation was going. Early or mid 70s? They came out about the same time as commercial ... Never liked them because they would melt in my car. Thank the gods for MP3 players and flash drives.