CN-1: 2nt- UNIT Assignment Questions



ASSIGNMENTS UNIT- II
1.      What are analog and digital signals?
2.      What are transmission important ?
3.      What are data rate limits performance ?
4.      What is digital to digital conversion ?
5.      What is analog to digital conversion ?
6.      What is time coding ? Explain polar, Bipolar and Manchester coding.
7.      Explain the transmission modes.
8.      What is addressing explain ? 
9.   Explain yhe following considering an example
                i) Bandwidth     ii) Bitrate       iii)Wavelength
       10.   Write a descriptive note on the 3 causes of Transmission Impairments.
       11.   Explain the transmission modes.
       12.   Encode the bit stream “01001011” using Bipolar and Unipolar schemes.
      13.    Explain the Delta modulation technique.
      14.    What are the propagation time and transmission time for a %Mbytes message if the bandwidth of the network is !mps? Assume that the distance between sender and receiver is 12000km.
      15.    Calculate the maximum bitrate for a channel having bandwidth 3100Hz and SNR is  
                20dB.
      16.    Calculate the capacity of a telephone channel if the bandwidth is 3000Hz and SNR is  
                3162.
     17.     Explain the following
                i) Signal element versus Data element.
                ii) Signal rate versus data rate.
                Show the relationship between data rate and signal rate.
1.      Explain the different scrambling methods.
2.       Explain the PCM encoding method.
3.       Explain the concept of Block coding.
4.       Encode the sequence “01001110” by different Polar encoding schemes.
5.      An analog signal has a bit rate of 8000bps and baud rate of 1000baud. How many data elements are carried by each signal element?Hoe many signal elements do we need?
6.      Explain PSK and ASK.

Comments

Post a Comment

Popular posts from this blog

Simualtion_notes

What is System ¨ A system is a set of components which are related by some form of interaction and which act together to achieve some objective or purpose n Components are the individual parts or elements that collectively make up the system n Relationships are the cause-effect dependencies between components n Objective is the desired state or outcome which the system is attempting to achieve What is Simulation ¨ A simulation of a system is the operation of a model of the system, as an imitation of the real system ¨ A tool to evaluate the performance of a system, existing or proposed, under different configurations of interest and over a long period of time n e.g. a simulation of an industrial process to learn about its behavior under different operating conditions in order to improve the process n Reasons for Simulation ¨ Experiments on real systems are too expensive, too dangerous, or the system to be investigated does not yet exist n e.g. Investigating...
Read more

ss notes of Editors for II IAT

UNIT 4 Editors and Debugging Systems This Chapter gives you…  Text editors  Interactive Debugging Systems 4.0 Introduction An Interactive text editor has become an important part of almost any computing environment. Text editor acts as a primary interface to the computer for all type of “knowledge workers” as they compose, organize, study, and manipulate computer-based information. An interactive debugging system provides programmers with facilities that aid in testing and debugging of programs. Many such systems are available during these days. Our discussion is broad in scope, giving the overview of interactive debugging systems – not specific to any particular existing system. 4.1 Text Editors An Interactive text editor has become an important part of almost any computing environment. Text editor acts as a primary interface to the computer for all type of “knowledge workers” as they compose, organize, study, and manipulate computer-based information. A text edi...
Read more

Notes OF Information System

ntroduction 1.1 MANAGEMENT INFORMATION SYSTEM ( MIS) CONCEPT The concept of the MIS has evolved over a period of time comprising many dif erent facets of the organizational function. MIS is a neces ity of al the organizations. The init al concept of MIS was to proces data from the organization and present it in the for of reports at regular intervals. The system was largely capable of handling the data from col ection to proces ing. It was more impersonal, requiring each individual to pick and cho se the proces ed data and use it for his requirements. This concept was further modified when a distinction was made betwe n data and information. The information is a product of an analysis of data. This concept is similar to a raw material and the finished product. What are ne ded are information and not a mas of data. However, the data can be analyzed in a number of ways, producing dif erent shades and specifications of the information as a product. It was, therefore, demanded ...
Read more