Describe the occurrence of quantization error, Other Management

Assignment Help:

Question 1

a) List the layers of the OSI model and briefly explain the function of each layer.

b) List the three key elements of a protocol. Give a brief explanation of each of these key elements.

c) Describe the concept of half duplex transmission.

d) Describe the bus topology. Give an advantage and a disadvantage of the topology

Question 2

a) Describe the term periodic signal and give an example of a periodic analog signal.

b) A digital signal has ten levels. How many bits are needed per level to represent the signal?

c) A signal has a spectrum with frequencies between 1500 and 3500 Hz. A medium allows frequencies from 4000 to 6000 Hz to pass through it. Describe if the signal will faithfully pass through this medium?

d) Describe the term distortion.

e) The attenuation of a signal is -20dB. What is the final signal power if the original signal was 10W?

f) Suppose a channel with a bandwidth of 10MHz. Evaluate the channel capacity if the signal to noise ratio is 60dB.

Question 3

a) Show this sequence 011010 using

i. Unipolar NRZ
ii. Manchester coding
iii. Differential Manchester coding

b) List two advantages and two disadvantages of Manchester coding.

c) State the Nyquist Sampling theorem.

d) What is the Nyquist sampling rate for each of the given signals?

i. A low-pass signal with a bandwidth of 300 KHz
ii. A band-pass signal with bandwidth of 200 KHz if the lowest frequency is 200 KHz

e) Describe the occurrence of quantization error.

f) What is serial transmission? Give one advantage of serial transmission over parallel transmission.

Question 4

a) Differentiate between signal rate and data rate.

b) Two sets of constellation points are given below. The numbers in parentheses define the values of I and Q respectively.

• Four points at (1,1), (-1,1), (-1,-1) and (1,-1).
• Two points (0,3) and (0,-3).

For each case,

i. Show  the constellation diagram.
ii. find the peak amplitude value.
iii. explain the type of modulation.

c) What is the required bandwidth for the subsequent cases if we need to send 2400 bps? Let d=1.

i. QPSK
ii. 16-QAM

d) What is crosstalk? How is it minimized in the case of twisted-pair of wire?

e) List four advantages and two disadvantages of optical fibre.


Related Discussions:- Describe the occurrence of quantization error

Sensitivity and appropriateness, Sensitivity and Appropriateness: Sens...

Sensitivity and Appropriateness: Sensitivity  refers  to  the capability  to  detect  changes or differences when they to occur. Often, multimodel measurements  are made becau

Introduction to resource sharing network, Introduction to Resource Sharing ...

Introduction to Resource Sharing Network The term 'network' always has a wide range of meanings in everyday life and this situation is further complicated because it has two v

Financial management, how would you judge the potential profit of Bajaj Ele...

how would you judge the potential profit of Bajaj Electronics on the first year of sales to Booth Plastics and give your views to increase the profit

Analyze the destination life cycle concept, QUESTION The potential rele...

QUESTION The potential relevance of the concept of a destination life cycle has been examined in a number of studies. The model has apparent potential to advance theory and pra

Define application service providers, Question Today most companies are...

Question Today most companies are conducting at least part of their business operations through electronic commerce, more commonly known as ecommerce that is the conduct of bus

Recording of references or information, ecording of References or Informati...

ecording of References or Information: Every literature searcher develops his own style of taking notes of references, While every effort should be made to optimise the time a

Materials handling devices, Materials Handling Devices  Materials  hand...

Materials Handling Devices  Materials  handing  devices are of three types: a. Lifting  and lowering devices ( vertical movement) b. Transporting devices( horizontal move

Literature searching service, Literature Searching Service: There are ...

Literature Searching Service: There are occasions when users want to know "everything that has been published" on a subject. The most important reason is that they want to kno

Probability sampling, Probability Sampling: Probability sampling invol...

Probability Sampling: Probability sampling involves the use  of  random selection process  to  select a sample  from members  or  elements of a population. The goal of probabi

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd