Compare between simplex and full duplex communication on the basis of: 1) Definition 2) Sketch

Compare between simplex and full duplex communication on the basis of: 1) Definition 2) Sketch
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Compare between simplex and full duplex communication on the basis of: 1) Definition 2) Sketch

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Compare between simplex and duplex communication

Description : Compare between simplex and duplex communication 

Last Answer : simplex and duplex communication :

A 400 W carrier is amplitude modulated to a depth of 75%.Calculate the total power in AM wave. (i) Explain the types of noise in a communication system. (ii) Compare simplex and duplex mode of communication.

Description : A 400 W carrier is amplitude modulated to a depth of 75%.Calculate the total power in AM wave. (i) Explain the types of noise in a communication system. (ii) Compare simplex and duplex mode of communication.

Last Answer : (i) Noise: Noise is any spurious or undesired disturbances that mask the received signal in a communication system. a) Atmospheric Noise: Atmospheric Noise is also known as static noise which is the ... remote control ExamplesWalkytalky,telephone,mobile,Radar, FAX,Pager 4

Differentiate between AM and FM on the basis of: (i) Definition (ii) Bandwidth (iii) Modulation Index (iv) Application

Description : Differentiate between AM and FM on the basis of: (i) Definition (ii) Bandwidth (iii) Modulation Index (iv) Application

Last Answer : Compare AM and FM on the basis of i)Definition ii)Bandwidth iii) Wave propogation iv)Number of sidebands

Compare PAM, PWM, and PPM on the basis of i. Variable characteristics ii. Bandwidth iii. Information contained in iv. Transmitted power

Description : Compare PAM, PWM, and PPM on the basis of i. Variable characteristics ii. Bandwidth iii. Information contained in iv. Transmitted power

Last Answer : Compare PAM, PWM, and PPM on the basis of i. Variable characteristics ii. Bandwidth iii. Information contained in iv. Transmitted power

Compare ground wave and space wave propagation on the basis of: (i) Frequency range (ii) Method of propagation.

Description : Compare ground wave and space wave propagation on the basis of: (i) Frequency range (ii) Method of propagation.

Last Answer : Compare ground wave and space wave propagation on the basis of: (i) Frequency range (ii) Method of propagation.

In mode, the communication channel is used in both directions at the same time? A) Full-duplex B) Simplex C) Half-duplex D) None of the above

Description : In mode, the communication channel is used in both directions at the same time? A) Full-duplex B) Simplex C) Half-duplex D) None of the above

Last Answer : Answer : A

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

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

Communication between acomputer and a keyboardinvolves______________ transmission. A) simplex B) half-duplex C) full-duplex D) automatic

Description : Communication between acomputer and a keyboardinvolves______________ transmission. A) simplex B) half-duplex C) full-duplex D) automatic

Last Answer : simplex

Which of the communication modes support two way traffic but in only once direction of a time? A) Simplex B) Half-duplex C) Three - quarter's duplex D) Full duplex

Description : Which of the communication modes support two way traffic but in only once direction of a time? A) Simplex B) Half-duplex C) Three - quarter's duplex D) Full duplex

Last Answer : B) Half-duplex

Which mode of Communication occurs between a computer and a keyboard. a. Automatic b. Half-duplex c. Full-duplex d. Simplex

Description : Which mode of Communication occurs between a computer and a keyboard. a. Automatic b. Half-duplex c. Full-duplex d. Simplex

Last Answer : d. Simplex

A communication between a computer and a keyboard involves ____________ transmission. a) simplex b) half duplex c) full duplex d) semi-duplex

Description : A communication between a computer and a keyboard involves ____________ transmission. a) simplex b) half duplex c) full duplex d) semi-duplex

Last Answer : a) simplex

Which of the communication modes support two way traffic but in only once direction of a time? A) Simplex B) Half-duplex C) Three - quarter's duplex D) Full duplex

Description : Which of the communication modes support two way traffic but in only once direction of a time? A) Simplex B) Half-duplex C) Three - quarter's duplex D) Full duplex

Last Answer : B) Half-duplex

Which of the communication modes support two way traffic but in only once direction of a time? A) Simplex B) Half-duplex C) Three - quarter's duplex D) Full duplex

Description : Which of the communication modes support two way traffic but in only once direction of a time? A) Simplex B) Half-duplex C) Three - quarter's duplex D) Full duplex

Last Answer : B) Half-duplex

Which of the following communication modes support two-way traffic but in only one direction at a time? a. simplex b. half duplex c. three-quarters duplex d. all of the above e. none of the above

Description : Which of the following communication modes support two-way traffic but in only one direction at a time? a. simplex b. half duplex c. three-quarters duplex d. all of the above e. none of the above

Last Answer : half duplex

The communication modethat supports two-way traffic but only one direction at atime is A. simplex B. duplex C. half duplex D. multiplex E. None of the above

Description : The communication modethat supports two-way traffic but only one direction at atime is A. simplex B. duplex C. half duplex D. multiplex E. None of the above

Last Answer : half duplex

Computer to computer communication is: (A) Simplex (B) Duplex (C) Half Duplex (D) Both Duplex and Half Duplex

Description : Computer to computer communication is: (A) Simplex (B) Duplex (C) Half Duplex (D) Both Duplex and Half Duplex

Last Answer : (B) Duplex

Explain duct propagation with neat sketch.

Description : Explain duct propagation with neat sketch.

Last Answer : Duct propagation is a special type and used for very high microwave frequencies. New phenomenon which occurs in super-refraction, also known as ducting. As the height above earth increases, ... in the standard atmosphere. The Duct propagation is used for very high frequencies in GHz range.

Define and explain the term beam width related to antenna with a sketch.

Description : Define and explain the term beam width related to antenna with a sketch.

Last Answer : Definition: The beam width of an antenna is described as the angles created by comparing the half power point (3dB) on the main radiation lobe to its maximum power point. As an example the beam width ... max voltage at center of lobe (these point are known as half power points.) Sketch-  

Explain “BALUN” with neat sketch

Description : Explain “BALUN” with neat sketch

Last Answer : Diagram- Explaination

Explain virtual height with respect to wave propagation with neat sketch.

Description : Explain virtual height with respect to wave propagation with neat sketch.

Last Answer : In ionization layer the incident wave refracts and bends down gradually than sharply.   The incident and refracted rays follow paths that are exactly the same as they would have been if reflection had taken place from a surface located at a greater height called virtual height of this layer. 

Explain isotropic radiator with neat sketch.

Description : Explain isotropic radiator with neat sketch. 

Last Answer : An isotropic radiator is a point source that radiates equally in all the directions. It is a hypothetical antenna used as a reference to describe real antenna. The radiation is represented by a sphere with center coincides with location of isotropic radiator.

Explain ground wave propogation with neat sketch.

Description : Explain ground wave propogation with neat sketch. 

Last Answer : Sketch-   Explanationi) It consists of direct wave which travels near the ground from Transmitter to Receiver. ii) The electromagnetic wave leaves the transmitting antenna & remains close to earth surface ... . The ground wave is the path chosen when frequency in between 30 KHz & 3 MHz 

Explain loop antenna with neat sketch. Draw radiation pattern. State its advantages and applications.

Description : Explain loop antenna with neat sketch. Draw radiation pattern. State its advantages and applications.

Last Answer : Loop antenna:-The single turn coil carrying RF current through it having length less than the wavelength.   Advantages:- 1. highly directive 2. Small size Applications:- 1. For direction finding 2. In portable receivers 3. In navigation 

Define stub. Explain single and double stub in brief with neat sketch.

Description : Define stub. Explain single and double stub in brief with neat sketch.

Last Answer : Stub:- Stub is the piece of short circuited transmission line which is used to tune out the reactance of the load when connected across the transmission line as close as possible ... but lengths are independently adjustable. The double stub matching provides wide range of impedance matching. 

Describe ionosphere with neat sketch.

Description : Describe ionosphere with neat sketch.

Last Answer : The Ionosphere is the upper portion of the atmosphere. The ultra violet radiation from the sun will ionize the upper layer of the atmosphere. Due to ionization these part of the atmosphere becom3es ... electron density of all layers, due to this F2 layer remains present at night time  

Compare ground wave propagation. Sky wave propagation and space wave propagation.

Description : Compare ground wave propagation. Sky wave propagation and space wave propagation.

Last Answer : Sr. N o Parameter Ground Wave Propagation Sky Wave Propagation Space wave Propagation 1 Frequency Range 30 kHz to 3 MHz  3 MHz to 30 MHz frequencies above 30 MHz 2 ... These waves have line of sight propagation, ... 6 Fading Problem less Severe Less

Compare TRF and super heterodyne receivers.

Description : Compare TRF and super heterodyne receivers.

Last Answer : Compare TRF and super heterodyne receivers. 

Compare resonant and non-resonant antennas.

Description : Compare resonant and non-resonant antennas.

Last Answer : Distinguish between resonant and non-resonant antennas.

Compare between FM and PM

Description : Compare between FM and PM 

Last Answer : PARAMETERS FM PM 1. Variable parameter of carrier. Frequency Phase 2. Variable parameter proportional to modulating voltage.  Frequency deviation Phase deviation.  3. Amplitude ... for transmitted power More Moderate 6. Signal to noise ratio Best Better

Draw and explain block diagram of electronic communication system.

Description : Draw and explain block diagram of electronic communication system.

Last Answer : Block diagram of electronic communication system. Explanation Transducer: A transducer is usually required to convert the output of a source into an electrical signal that is suitable for ... etc. Output Transducer: The output transducer converts electrical signal in to sound signal.  

Describe the block diagram of basic communication system.

Description : Describe the block diagram of basic communication system.

Last Answer : Describe the block diagram of basic communication system.

State and explain the types of noise in communication system.

Description : State and explain the types of noise in communication system.

Last Answer : External Noise:  Atmospheric Noise  Atmospheric noise or static is caused by lighting discharges in thunderstorms and other natural electrical disturbances occurring in the atmosphere. These ... between two or more paths, and results from the random fluctuations in the division.

Draw block diagram of basic electronic communication system and state the function of each block.

Description : Draw block diagram of basic electronic communication system and state the function of each block.

Last Answer : i) Input signal: - The information can be in the form of sound, picture or data coming from computer. ii) Input transducer: - it converts original information into equivalent electrical ... back to suitable form. vii) Output transducer: - It converts electrical signal into original form. 

List the types of noise in communication system. Explain any one of them.

Description : List the types of noise in communication system. Explain any one of them.

Last Answer : Explanation of External Noise:- Atmospheric Noise:- Atmospheric noise or static is caused by lighting discharges in thunderstorms and other natural electrical disturbances occurring in the atmosphere ... between two or more paths, and results from the random fluctuations in the division. 

Differences between Simplex Maid and Full-Duplex Maid ?

Description : Differences between Simplex Maid and Full-Duplex Maid ?

Last Answer : Simplex mode allows data to be transmitted from one side only and data can be received from the other end only. In other words, in this case, an implementation is possible by sending or receiving data at ... . This means that in this case, Edge can send and receive data anywhere at the same time.

Transmission sent in both directions simultaneously. A. Full duplex B. Duplex C. Half duplex D. Simplex

Description : Transmission sent in both directions simultaneously. A. Full duplex B. Duplex C. Half duplex D. Simplex

Last Answer : B. Duplex

Transmission sent in both directions simultaneously. A. Full duplex B. Duplex C. Half duplex D. Simplex

Description : Transmission sent in both directions simultaneously. A. Full duplex B. Duplex C. Half duplex D. Simplex

Last Answer : B. Duplex

Communiction circuits that transmit data in both directions but not at the same time are operating in a. a simplex mode b. a half duplex mode c. a full duplex mode d. an asynchronous mode

Description : Communiction circuits that transmit data in both directions but not at the same time are operating in a. a simplex mode b. a half duplex mode c. a full duplex mode d. an asynchronous mode

Last Answer : a half duplex mode

Which of the following communications lines is best suited to interactive processing applications? a. narrow band channel b. simplex lines c. full duplex lines d. mixed band channels

Description : Which of the following communications lines is best suited to interactive processing applications? a. narrow band channel b. simplex lines c. full duplex lines d. mixed band channels

Last Answer : full duplex lines

The interactive transmission of data within a time sharing system may be best suited to a. simplex lines b. half-duplex lines c. full duplex lines d. biflex-lines

Description : The interactive transmission of data within a time sharing system may be best suited to a. simplex lines b. half-duplex lines c. full duplex lines d. biflex-lines

Last Answer : half-duplex lines

Data flow between two devices canoccur in a _______ way. A) simplex B) half-duplex C) full-duplex D) all of theabove

Description : Data flow between two devices canoccur in a _______ way. A) simplex B) half-duplex C) full-duplex D) all of theabove

Last Answer : all of theabove

In _______ transmission, the channel capacity is shared byboth communicatingdevices at all times. A) simplex B) half-duplex C) full-duplex D) half-simplex

Description : In _______ transmission, the channel capacity is shared byboth communicatingdevices at all times. A) simplex B) half-duplex C) full-duplex D) half-simplex

Last Answer : full-duplex

A television broadcast is anexample of_______ transmission. A) simplex B) half-duplex C) full-duplex D) automatic

Description : A television broadcast is anexample of_______ transmission. A) simplex B) half-duplex C) full-duplex D) automatic

Last Answer : simplex

Which is not the legitimate transmission directions listed here? a. Simplex b. Half Duplex c. Full Duplex d. Double Duplex

Description : Which is not the legitimate transmission directions listed here? a. Simplex b. Half Duplex c. Full Duplex d. Double Duplex

Last Answer : d. Double Duplex

Telephone networks operate in this mode. a) simplex b) half duplex c) full duplex d) semi-duplex

Description : Telephone networks operate in this mode. a) simplex b) half duplex c) full duplex d) semi-duplex

Last Answer : c) full duplex

A transmission mode that can transmit data in both the directions but transmits in only one direction at a time. a) simplex b) half duplex c) full duplex d) semi-duplex

Description : A transmission mode that can transmit data in both the directions but transmits in only one direction at a time. a) simplex b) half duplex c) full duplex d) semi-duplex

Last Answer : b) half duplex

The transmission mode which allows both communicating devices to transmit and receive data simultaneously is: a) Full Duplex b) Simplex c) Half Duplex d) Simple Complex e) None of These

Description : The transmission mode which allows both communicating devices to transmit and receive data simultaneously is: a) Full Duplex b) Simplex c) Half Duplex d) Simple Complex e) None of These

Last Answer : a) Full Duplex

Operating method in which the transmission is made alternately in each direction of a telecommunication channel A. Semi-duplex operation B. Duplex operation C. Half-duplex operation D. Simplex operation

Description : Operating method in which the transmission is made alternately in each direction of a telecommunication channel A. Semi-duplex operation B. Duplex operation C. Half-duplex operation D. Simplex operation

Last Answer : C. Half-duplex operation

Define the following terms related to antennas; (i) Antenna resistance (ii) Directivity (iii) Antenna gain (iv) Power density

Description : Define the following terms related to antennas; (i) Antenna resistance (ii) Directivity (iii) Antenna gain (iv) Power density

Last Answer : Antenna Resistance - The resistance of an antenna has two components: 1. Its radiation resistance due to conversion of power into electromagnetic waves 2. The resistance due to actual losses in the ... the transmitter power divided by the surface area of a sphere (4πR2) at that distance.

Draw practical set-up and explain the procedure to measure selectivity of radio receiver.

Description : Draw practical set-up and explain the procedure to measure selectivity of radio receiver.

Last Answer : Procedure to measure selectivity of radio receiver: Throughout the measurement the receiver is kept tuned to desired frequency 950 Khz. Now the generator output frequency is deviated below ... the generator output voltage is adjusted to get a standard 50 miliwatt receiver output power.