A certain number of data bits (D) are encoded by a single pulse in one of 2D possible positions during a specified fixed period (T) in(a) TDM (b) PAM (c) PPM (d) PWM

Q: Q1 for the input binary sequence (bk) = {1,-1, 1,-1} .find the transmitted phase sequence and sketch…

A:

Q: bandwidth

A:

Q: One Picoseconds (PS) is equivalent to a. 10-3 s b. 10-6 s c. 10-9 s d. 10-12 s

A: One Picoseconds (PS) is equivalent to

Q: Compare and contrast code division multiplexing and time division multiplexing.

A: GIVEN: Compare and contrast code division multiplexing and time-division multiplexing.

Q: b-For a PCM system the number of bits that represents each sample is 5bits and the bandwidth is 0.75…

A: Given : Number of bits = 5  Bandwidth = 0.75 * Maximum Bandwidth Bandwidth = 45Khz Erfc = 0.001

Q: In _coding, signal is present in the first half of the bit duration , and it is zero in the second…

A: Coding schemes are used to encode the signals.

Q: 2. To convert an analog signal, with bandwidth 2 MHz, to digital signal the sampling frequency Is…

A: We need to find the sampling frequency.

Q: The antenna current of an AM broadcast transmitter, modulated to a depth of 60%, by an audio sine…

A: m is modulation index, It is antenna current and It is carrier current. We are given It =12A, m =…

Q: 9-bit binary number

A: Here is the answer which is mentioned below:

Q: Provide the description of each of the SCSI signals: BSY, SEL, RST, C/D, REQ, ACK, ATN, and MSG.

A: Answer: The SCSI is a small computer system interface bus used in storage servers and data centers.…

Q: voice messages work in the 700 high frequency of 10 kHz and low frequency of 2 kHz and 10 video…

A: Ans

Q: An analog signal carries 4 bits in each signal unit. if 1000 signal units are sent per second, then…

A: Introduction :Given , signal carries 4 bits in each signal unit.1000 signal/sec sent .Then , we have…

Q: Build Simulink model for QAM modulation and demodulation for sinusoidal waves of 100 and 200 Hz, and…

A: Answer:)

Q: Two channels one with a bit rate of 190Kbps and another with a bit rate of 180 Kbps are to be…

A: The answer is

Q: S-boxes in DES map   a. 4 to 6 bits b. 6 to 4 bits c. 4 to 2 bits

A: S box stands for substitution box which is used in symmetric key algorithm. S box takes some number…

Q: 1. Design an N-bit ALU with 4-bit ALUControl signal that fulfills the following operations.…

A:

Q: (a) Explain the term periodic pulse train and determine the pulse duration of a periodic pulse train…

A: Answer is given below .

Q: An analog signal carries 4 bits in each signal unit. If 1000 signal units are sent per second, then…

A: Baud rate is the rate at which data is transferred in a channel. It is number of signal elements per…

Q: If data bits are transmitted serially at a 1 MHz rate, how many bits can be transmitted in 1 ms?

A: The data rate can be measured in terms of bits per second. It implies the number of bits transmitted…

Q: The information density of QPSK, 8PSK and 8QAM modulation schemes with 8 Kbps data rate respectively…

A: In M-ary modulation, we can preserve bandwidth if we keep the symbol rate the same while increasing…

Q: In BPSK the bit rate is equal to the baud rate a. True b. False

A: In BPSK, the bit rate is equal t the baud rate. So, option A is correct i.e. True

Q: 6- For the TDM frame shown in figure besides, there are: a- 96 bit per frame. Frame b-240 bit per…

A: Answer: I have given answer in the brief explanation.

Q: Four channels are multiplexed using synchronous TDM. The rate of each channel is given by 500 kbps…

A:

Q: If the symbol rate for 8PSK is 8Kbaud, the bit interval of the binary input is approximately a. 40…

A: If the symbol rate for 8PSK is 8Kbaud, the bit interval of the binary input is approximately a. 40…

Q: The bandwidth of a periodic signal composed of five sine waves with frequencies of 200, 300, 400,…

A: here in this question we need to find the bandwidth from given information. in the following section…

Q: 4. S-boxes in DES map O a. 4 to 6 bits O b. 2 to 4 bits

A: S-boxes in DES map

Q: In Discrete Multitone Technique (DMT), Channel 0 is reserved for a. data communication b. audio…

A: Given that: The topic is about In Discrete Multitone Technique (DMT), Channel 0 is reserved for…

Q: One Picoseconds (PS) is equivalent to a. 10-3 s b. 10-6 s c. 10-9 s d. 10-12 s

A: Ans-: option (d) - 10-12 s

Q: The maximum data rate that a medium of 10 KHz and S/N ratio of 30 dB is roughly: Select one: О а.…

A: The maximum data rate that a medium of 10 Khz and S/N ratio of 30 dB is roughly

Q: If we want to send data at a speed of 3000 bps through a channel of bandwidth 1000 Hz, what is the…

A: Given data, Send speed of data = 3000 bps Bandwidth = 1000 Hz Find the minimum S/N ratio required.

Q: Convert the bit stream 1 0 1 0 1 1 0 1 0 1 for the following schemes NRZ-L NRZ-S UNIPOLAR-RZ

A:

Q: 4. To convert an analog signal, with bandwidth of 16 MIHZ, to a digital signat, the sampling…

A: Answer :-

Q: For a channel of 3 KHz bandwidth and : signal to noise ratio of 30 dB, the maximum data rate is: (A)…

A: NOTE: Here student asked this question from computer networks. For a channel of 3Khz bandwidth and…

Q: Draw the waveform for the three-byte data sequence Ox93, 0x11, Ox41 being transmitted by UART at…

A: It is defined as a image that represents an audio signal or recording. It shows the changes in…

Q: Find the bit rate of an analog signal modulated at a speed of 9000 bauds and carrying 3 bits per 2…

A:

Q: Before data can be transmitted, they must be transformed to ________. a. periodic signals b.…

A: This question comes from Signals in networking.

Q: A digital signal has 129 levels. Then the no. of bits needed to represent each level is

A: If a signal has more than 2 levels i.e., 0-1, more than 1 bit can be used based on the…

Q: In 8 bit data transmission system the transmitted data X, Y and Z after adding an EVEN Parity. The…

A: Given 8 bit transmission system the transmitted data X,Y,Z after adding an EVEN parity and we need…

Q: 10. Draw constellation diagrams for a. 16-PSK b. 16-QAM with at least two amplitudes.

A:

Q: Desigh an 8X1 multiplexéř bášéd ón Máčh- Zender 2x2 interferometers (MZI) for use in a 12.5 GHz…

A: in a 6-channel network with 3 wavelengths, the shortest wavelength is 1310 nm (λ1), the…

Q: Given an analog signal sampled at a rate of 8,000 Hz, x(t) = 5 cos (2π 1500t), for t≥0, a. sketch…

A: (a) Program code:  fs1=8000; %Very high sampling rate 8000 Hz nCyle=1; %cycle 1 t1=0:1/fs1:nCyle*1;…

Q: In fiber optics a pulse of light indicates .................... a. 1 bit b. 0 bit c. 1 byte d. 8…

A: Fiber optical is a technology that helps in transferring data very fastly from one location to…

Q: Calculate the baud rate for the given bit rate and bit combination: a. 2000 bps, dibit b. 6000 bps,…

A: For the given problem, we need to calculate baud rate  Baud rate is the number of signals units per…

Q: 1. What are the differences between unipolar, polar, and bipolar Line Coding Schemes?

A: The difference between unipolar,polar and bipolar line coding schemes .

Q: Design and implement a 1-bit ALU than can perform 4 logical operations: AND, OR, NAND, and NOR. The…

A: An ALU (Arithmetic Logic Unit) performs different arithmetic and logic operations for the given…

Q: Explain the processes used in Time Division Multiplexing to handle varying input speeds.

A: Time Division Multiplexing: Time-division multiplexing (TDM) is a system used by synchronized…

Q: . Figure depicts a UART serial data transmission from a keyboard to a computer. The character input…

A: ============================================================================== Here we write about…

Q: For an 8-PSK system operating at an information rate of 36 kbps determine, 1. Baud?

A: The Answer is

Q: Identify the type of signal given below Time Unipolar, Digital Signal and Periodic signal Perodic…

A: A unipolar signal is a signal that has it's value lie only one side of the Time axis. A digital…