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Answer :

Satellites used for international communication are called Intelsat.

Related questions

Last Answer : In communication systems, the modulating signal is also called base band signal.

Description : The Ku frequency band used in satellite communication (for uplink and downlink) is: (1) 14 GHz and 11 GHz (2) 30 GHz and 20 GHz (3) 70 GHz and 50 GHz (4) 60 GHz and 45 GHz 

Last Answer : The Ku frequency band used in satellite communication (for uplink and downlink) is: 14 GHz and 11 GHz 

Description : The basic element of radio communication system which generates radio waves is  1. micro phone 2. transmitter 3.transmitting antenna 4. Loudspeaker 

Last Answer : The basic element of radio communication system which generates radio waves is transmitter 

Last Answer :  A communication receiver is a superheterodyne receiver.

Description : Which waves are used for a communication through artificial satellites? -Do You Know?

Last Answer : answer:

Description : Which among the following waves is used for communication by artificial satellites? (1) Micro waves (2) Radio waves (3) A. M. (4) Frequency of 1016 series

Last Answer : (1) Micro waves Explanation: For fixed (point-to-point) services, communications satellites provide a microwave radio relay technology complementary to that of communication cables. They are also used ... is extensively used for point-to-point telecommunications (i.e., non broadcast uses).

Description : The most common application of satellites A. Surveillance B. Reconnaissance C. Defense systems D. Communication

Last Answer : D. Communication

Description : In satellite communication, the Geostationary satellites are conveniently located with respect to the equator at _______. A. 45 degrees latitude B. 90 degrees latitude C. 0 degrees latitude D. 5 degrees latitude

Last Answer : C. 0 degrees latitude

Description : Which waves are used for a communication through artificial satellites?

Last Answer : Microwaves

Description : First communication satellites used frequencies of A. 6 GHz for uplink B. 3 GHz for uplink C. 6 GHz for downlink D. 5 GHz for downlink

Last Answer : 6 GHz for uplink

Description : A large numbers of computers in a wide geographical area can be efficiently connected using (A) twisted pair lines (B) coaxial cables (C) Communication satellites (D) all of the above

Last Answer : (D) all of the above

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 : Communication satellites are used to: (1) To transmit communication signals (2) To receive and redirect communication signals (3) To only receive communication signal (4) To provide information of national sources only

Last Answer : To receive and redirect communication signals

Description : Which among the following waves is used for communication by artificial satellites ? (1) Micro waves (2) Radio waves (3) A. M. (4) Frequency of 1016 series 

Last Answer : Micro waves

Description : Who regulates the slots where the geosynchronous satellites should be placed? (1) UN Secretary General (2) International Telecommunication Union (3) NASA (4) Glaukosmos

Last Answer : International Telecommunication Union

Last Answer : Distortion caused on telephone line by an adjacent one is called: Cross talk

Description : ‘Dense and efficient network of transport and communication is a prerequisite for national and international trade’. -Geography

Last Answer : Dense and efficient network of transport and communication enhances national and international trade in the following ways: 1. Exchange of goods between producers and consumers occurs in a ... transport such as air and water, international trade has increased tremendously among the countries.

Description : Dense and efficient network of transport and communication is a prerequisite for national and international trade.' -SST 10th

Last Answer : A dense and efficient network of transport and communication is a prerequisite for national and international trade: 1. India is a land of much diversity. Without proper communication and transport, ... facilities, amenities, and information. This, in turn, makes the lives of the people better.

Description : “Dense and efficient network of transport and communication is a pre-requisite for national and international trade.” Support the statement with four arguments. -SST 10th

Last Answer : Arguments to support this statement are: (i) Fast and efficiendy moving transport is required for traded items to reach their destinations on time, otherwise business will suffer. (ii) ... that dense and efficient network of transport is a pre-requisite for national and international trade.

Description : Which of the-following is an example of a worldwide concern that needs greater international cooperation and cross-cultural communication?

Last Answer : All of the above

Description : The international radio consultative committee is referred to in international radio communication as ______. A. IRCC B. ITU C. IRR D. CCIR

Last Answer : D. CCIR

Description : Nonverbal communication: A. Includes written communication B. Has no place in international business. C. Include body languages D. Should be learnt by business managers to communicate with foreigners.

Last Answer : Include body languages

Description : Communication issues at the international level are addressed by (A) ILO (B) ITU (C) UNDP (D) UNESCO

Last Answer : Answer: D

Description : ICT stands for : (A) International Communication Technology (B) Intera Common Terminology (C) Information and Communication Technology (D) Inter connected Terminals

Last Answer : Answer: C

Description : State the need of signal conditioning and signal processing .List applications of instrumentation amplifier.

Last Answer : * In an instrumentation system, a transducer is used for sensing various parameters. The output of transducer is an electrical signal proportional to the physical quantity sensed such as pressure, ... monitoring and control 5) Light intensity meter 6) Measurement of flow and thermal conductivity

Description : Which of the following statement is false? Modulation is used to: (1) Reduce the bandwidth used (2) Separate differing transmissions (3) Ensure that intelligence may be transmitted over long distances (4) Allow the use of practicable antennas

Last Answer : Which of the following statement is false? Modulation is used to: Reduce the bandwidth used

Description : Indicate which one of the following is NOT an advantage of FM over AM? (1) Better noise immunity is provided (2) Lower bandwidth is required (3) The transmitted power is more useful (4) Less modulating power is required 

Last Answer : Indicate which one of the following is NOT an advantage of FM over AM? (1) Better noise immunity is provided (2) Lower bandwidth is required (3) The transmitted power is more useful (4) Less modulating power is required 

Description : Theoretical bandwidth requirement for FM system is: (1) Same as that of the modulating signal bandwidth (2) Twice of modulating signal Bandwidth (3) Thrice as of modulating signal Bandwidth (4) Infinite 

Last Answer : Theoretical bandwidth requirement for FM system is: Infinite

Description : The disadvantage of CDMA system is: (1) Higher MAI with more user count. (2) That it needs least power consumption. (3) That it needs coherent signal. (4) That it is not suitable with PSK systems 

Last Answer : The disadvantage of CDMA system is: Higher MAI with more user count. 

Description : Which of the following is an inherent property of an optical signal and cannot be eliminated even in principle? (1) Thermal noise (2) Shot noise (3) Environmental noise (4) Background Noise

Last Answer : Which of the following is an inherent property of an optical signal and cannot be eliminated even in principle? (1) Thermal noise (2) Shot noise (3) Environmental noise (4) Background Noise

Description : The use of non-uniform quantization leads to: (1) Reduction in transmission bandwidth. (2) Increase in maximum SNR. (3) Increase in SNR for signal levels. (4) Simplification of quantization process. 

Last Answer : The use of non-uniform quantization leads to:  Increase in SNR for signal levels.

Description : In amplitude modulation AM, if modulation index is more than 100% then: (1) Power of the wave increases. (2) Efficiency of transmission increases. (3) The wave gets distorted. (4) Bandwidth increases

Last Answer : In amplitude modulation AM, if modulation index is more than 100% then: The wave gets distorted.

Description : In the case of a 70–MHz IF carrier for a transponder bandwidth of 36 MHz, energy must lie between MHz: (1) 34 and 106 (2) 52 and 88 (3) 106 and 142 (4) 34 and 142

Last Answer : In the case of a 70–MHz IF carrier for a transponder bandwidth of 36 MHz, energy must lie between MHz: 52 and 88

Description : In T1 digital system, the frame synchronization code repeats every

Last Answer : In T1 digital system, the frame synchronization code repeats every 125 microsecond

Description : In a PCM system the number of quantization level are 16 and the maximum signal frequency is 4 KHz the transmission bit rate is

Last Answer : In a PCM system the number of quantization level are 16 and the maximum signal frequency is 4 KHz the transmission bit rate is 32 Kbits/sec

Description : Principle of Doppler effect is used in

Last Answer : Principle of Doppler effect is used in MTI radar and CW Doppler radar

Description : The capacity of a standard 4 KHz telephone channel with a 32 dB SNR is

Last Answer : The capacity of a standard 4 KHz telephone channel with a 32 dB SNR is 32953 bits/second

Description : A radio transmitter is an equipment:

Last Answer : A radio transmitter is an equipment:  for generating modulated radio frequency waves

Description : As the thermal noise get doubled due to the increase in a resistance the noise power get.  (A) doubled (B) quadruped (C) unchanged (D) halved.

Last Answer : As the thermal noise get doubled due to the increase in a resistance the noise power get. unchanged 

Description : A two cavity klystron tube is a  (A) velocity modulated tube (B) frequency modulated tube (C) Amplitude modulated tube (D) simple triode

Last Answer : A two cavity klystron tube is a velocity modulated tube

Description : Ionosphere layer of earth is situated at  (A) upto 18 kms from earth (B) from 18 to 70 km (C) 70 to 500 km (D) above 500 km

Last Answer : Ionosphere layer of earth is situated at 70 to 500 km

Description : Which wave cannot exist inside wave guide  (A) TE (B) TM (C) TEM (D) HE

Last Answer : Which wave cannot exist inside wave guide TEM 

Description : The frequency range 30MHz - 300MHz is  (A) medium frequency (B) very high frequency (C) super high frequency (D) Infrared frequency

Last Answer : The frequency range 30MHz - 300MHz is very high frequency

Description : The most common device used for detection in radio receivers is   (A)amplifier (B) triode (C) diode (D) transistor

Last Answer : The most common device used for detection in radio receivers is diode 

Description : In commercial FM broadcasting, the maximum frequency deviation is normally   (A) 5 KHz (B) 15 KHz (C) 75 KHz (D) 200 KHz

Last Answer : In commercial FM broadcasting, the maximum frequency deviation is normally 75 KHz

Description : When a dipole antenna of 1/8 length has an equivalent total resistance of 1.5 Watt then the efficiency of the antenna is   (A) 0.89159% (B) 8.9159% (C) 89.159% (D) 891.59%

Last Answer : When a dipole antenna of 1/8 length has an equivalent total resistance of 1.5 Watt then the efficiency of the antenna is 89.159%

Description : A two port network having a 6 dB loss will give  (A) an output power which is one - quarter of the input power (B) an output power which is one - half of the input power (C) an output voltage which is 0.707 of the input voltage. (D) an output power which is 0.707 of the input power.

Last Answer : A two port network having a 6 dB loss will give an output power which is one - quarter of the input power

Description : When a dominant mode wave guide not terminated in its characteristic impedance is excited with a 10 GHZ signal then if d is the distance between two successive minima of the standing wave in the guide then   (A) d = 1.5 cm (B) d is less then 1.5 cm (C) d is greater then 1.5 cm (D) d = 3 cm

Last Answer : When a dominant mode wave guide not terminated in its characteristic impedance is excited with a 10 GHZ signal then if d is the distance between two successive minima of the standing wave in the guide then d = 1.5 cm

Description : When an antenna of input resistance 73 ohm is connected to a 50-ohm line and if the losses are ignored then its efficiency will be nearly   (A) 0.19 (B) 0.81 (C) 0.97 (D) 1.19

Last Answer : When an antenna of input resistance 73 ohm is connected to a 50-ohm line and if the losses are ignored then its efficiency will be nearly 0.81

Description : In a radio transmitter, the frequency of the crystal oscillator will be stable for a long time if the quality factor of the crystal resonator is  (a) > 100 (b) > 500 (c) > 1000 (d) > 20000

Last Answer : In a radio transmitter, the frequency of the crystal oscillator will be stable for a long time if the quality factor of the crystal resonator is  > 1000