In QAM, two carriers with a phase difference of 90 degrees is used Select one: O True O False
Q: Quadrature amplitude modulation (QAM) is a combination of ___________. a. ASK and FSK b. ASK and PSK…
A: Amplitude Shift Keying: The amplitude of the resultant output depends upon the input data whether it…
Q: Data rate in ASK is often a multiple of the carrier frequency. Select one: O True O False
A: Amplitude shift keying -ASK -in the context of digital communications is a modulation process which…
Q: Assume that the data is transferred using 16PAM (16-level pulse amplitude modulation). How many bits…
A: ANSWER : The number of possible pulse amplitudes in analog PAM is theoretically infinite. Digital…
Q: The data rate depends upon a. Bandwidth b. Level of signals c. Level of noise d. All of the above
A: Given: The data rate depends upon a. Bandwidth b. Level of signals c. Level of noise d.…
Q: In the generation of PSK, a unipolar data signal is multiplied with a carrier wave. Select one: O…
A: In the generation of PSK, a unipolar data signal is multiplied with a carrier wave. True
Q: 2. How many characters per second can be transmitted over a 9600-baud line in each of the following…
A: Start bit and end bit are necessary bits for proper transmission in each asynchronous serial…
Q: How many characters per second can be transmitted over a 4800-baud line in each of the following…
A: An asynchronous transmission of data uses the start and stop bit convention to signal the beginning…
Q: I - Direction: Using an Asynchronous and Statistical TDM, draw the sequence of operation for a…
A: A=BOB C=FOX Asynchronous and Statistical TDM:
Q: In QAM, both ________ of a carrier frequency are varied.
A: Given that, In QAM, both of a carrier frequency are varied :
Q: Identify the incorrect statement shown below? O a. Interference signal from one channel to another…
A: The correct option is given in step 2.
Q: What phrase is used to refer to the sum of the rotational delay and seek time?
A: Ans: The phrase that is used to refer to the sum of the rotational delay and seek time is called the…
Q: In On- Off keying, the carrier signal is transmitted with signal value 1 and '0' indicates O No…
A: In On-Off keying, the carrier signal is transmitted with signal value '1' and '0' indicates: No…
Q: In ________, the amplitude of the carrier signal is varied to create signal elements. Both frequency…
A: Let's see all the options : Option (a) : ASK ASK stands for Amplitude Shift Keying in which…
Q: opulated ARP table (all required entries) at host A
A: Draw a fully populated ARP table (all required entries) at host A
Q: In ________, the phase of the carrier is varied to represent two or more different signal elements.…
A: Phase Shift Keying: In this the phase of the carrier signal is changed by varying the sine and…
Q: -A synchronous TDM with four 2 Mbps data stream inputs and one data stream output. The multiplexing…
A: Here we have given the answer for the first question as per the guideline.
Q: In QAM, the minimum bandwidth required for transmission is twice as that required for PSK…
A: The minimum band width required for QAM transmission is same as that of ASK/PSK
Q: Demodulation is the process of separating or recovering the signal b 4 * from the modulated carrier…
A:
Q: How many characters per second can be transmitted over a 9600-baud line in each of the following…
A: Baud rate is the rate at which information is transferred over a communication channel. In the case…
Q: H.W: find the efficiency for this binary symmetric channel P(y\x)= [0.1 0.9)
A: Given : Form the given binary symmetric channel matrix , value for p = 0.1
Q: One way to electrically or optically represent a binary 1 or 0 is to use current state modulation,…
A: Given: One way to electrically or optically represent a binary 1 or 0 is to use current state…
Q: In ________, the amplitude of the carrier signal is varied to create signal elements. Both frequency…
A: Amplitude Shift Keying The amplitude of the resultant output depends upon the input data whether it…
Q: ASK, PSK, FSK, and QAM are examples of ________ conv
A: ASK, PSK, FSK, and QAM are examples of ________ conversion.
Q: You are required to make a carrier with the following details: Frequency- 1 hz/sec Amplitude - 2…
A: You are required to make a carrier with the following details: Frequency- 1 hz/sec Amplitude - 2…
Q: A digital signal that uses more levels can provide for higher bit rates but less system reliability.…
A: The answer is given in step 2.
Q: A multiplexing technique that transmits analog signals is: Select one: A. asynchronous TDM b.…
A: Please refer below for your reference: The correct option is D A FDM is a multiplexing technique…
Q: en 100-kbps connections are multiplexed together. A unit is 1 bit. Determine the frame rate in…
A: frame rate is the number of frames sent per second.
Q: While digital transmission is very desirable, a low pass channel is needed. Select the correct…
A: Low pass channel concept.
Q: 110. Quadrature amplitude modulation (QAM) is a combination of ___________. a. ASK and FSK b. ASK…
A: Quadrature amplitude modulation (QAM) is a combination of _____
Q: In a connection, data can be either sent or received on the wire but not at the same time Select…
A: Here in this question we have asked the connection name in which data can be sent or received on the…
Q: UTP cables are bulkier and more expensive when compared to STP cables Select one: O True O False
A: Actually, STP stands for Spanning Tree Protocol.
Q: If the bit rate for an ASK signal is 1200 bps, the baud rate is ________.
A: Answer : If the bit rate for an ASK signal is 1200 bps, the baud rate is 1200.
Q: In QAM, both ________ of a carrier frequency are varied. a. frequency and amplitude b. phase and…
A: QAM is Quadrature Amplitude Modulation QAM is the mixture of ASK(Amplitude shift keying) and…
Q: In an asenkron transmission a character size is 5 bits. In this transmission, if total overhead…
A:
Q: FDM is more efficient than TDM. Select one: True False
A: FDM (Frequency Division Multiplexing): It is an analog method which means that it is been used with…
Q: 99. If the bit rate for an ASK signal is 1200 bps, the baud rate is ________. a. 300 b. 400 c. 600…
A: Provided the solution for above given question with step by step explanation as shown below.
Q: If you have a message with sampling frequency of 4 KHz and 8 bits. Find bit rate
A: I have provided bit rate answer. For, the bandwidth of PCM and signal .noise ratio I need more…
Q: 225. The extra bit in modem is used for a. error correction b. error detection c. noise d.…
A: Answer : - option b) error detection
Q: A certain population of ALOHA users manages to generate 70 request/sec. If the time is slotted in…
A: Introduction :
Q: Encryption and decryption operation can be applied on analog signals to ensure security of…
A: Security is the very important thing during transmission of data from source to destination
Q: For a 4 bits/level transmission, how many quantization levels are there?
A: Hello Student. Warm welcome from my side. I hope you are doing good. I will try my best. Thank…
Q: 75. A _________ digital signal includes timing information in the data being transmitted. a.…
A: 1) A self-synchronizing digital signal includes timing information in the data being transmitted.…
Q: 17. In _______ transmission, bits are transmitted over a single wire, one at a time. a. asynchronous…
A: I will be discussing In which transmission, bits are transmitted over a single wire, one at a time.…
Q: MP can only respond to one signal on INTA at a time true false O
A: Microprocessor controls all functions of the CPU, or central processing unit, of a computer or other…
Q: Binary data to be sent over the network is 11011001 (8 bits) . Use the Hamming code method, to…
A: In this question, we have to calculate code word (12 bits) that will be determine by the Hamming…
Q: In _______ transmission, bits are transmitted simultaneously, each across its own wire. a.…
A: Given that: In _______ transmission, bits are transmitted simultaneously, each across its own wire.
Q: Timing error occurs in synchronization as a result of frequency difference between two physically…
A:
Q: Lightning can cause a very high thermal noise power that affects the carrier effective bandwidth.…
A: Noise is the unwanted sound that disturbs original data.
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- In QAM, both ________ of a carrier frequency are varied.Because synchronous transmission always uses the same block size, the receiver always knows when one block finishes and another starts. a. true b. falseChoose "true" or "false" and provide a short explanation for your answer to each of the following: The alternating-bit protocol is equivalent to the SR protocol when the transmitter and receiver windows are both 1.
- What are the two main synchronization problems that can occur during message transmission? (max of 3 lines)How many characters per second can be transmitted over a 9600-baud line in each of the following modes? (Assume a character code of eight bits.) a)Synchronous serial transmission. Also draw timing diagram. b)Asynchronous serial transmission with two stop bits. Draw timing diagram c)Asynchronous serial transmission with one stop bit. Draw timing diagram.What is the bit rate for each of the following signals? A signal in which 1 bit lasts 0.001 s A signal in which 1 bit lasts 2 ms A signal in which 10 bits last 20 µs
- In QAM, both ________ of a carrier frequency are varied. a. frequency and amplitude b. phase and frequency c. amplitude and phase d. none of the aboveA certain population of ALOHA users manages to generate 70 request/sec. If the time is slotted in units of 50 msec, then channel load would be1)If the probability pk of a message is 1/8 then the information in bits is ____________ 1 bit. 3 bits. 2 bits. None of them. 2) Bipolar RZ line codes ensures both zero DC, and synchronization at every bit. FALSE TRUE 3) In _______, a receiver can use an error-correcting code that automatically corrects certain errors. FEC Huffman coding ARQ Line coding 4) Coaxial cable is more susceptible to external noise than fiber optics cable. FALSE TRUE 5) Which of the following requirement must be met for fast communication? High channel capacity. High sampling rate. High transmitter power. Large signal bandwidth.
- Please let us know if you believe each of the following assertions to be accurate or false, and offer a brief justification for your choice. The alternating-bit protocol and the SR protocol are indistinguishable from one another when the windows at both ends are set to 1.Differentiating between an isochronous and synchronous connection may be done by looking at their differences and similarities.Draw a fully populated ARP table (all required entries) at host A