Module 2 Data Communication Fundamentals Version 2 CSE IIT‚ Kharagpur Lesson 1 Data and Signal Version 2 CSE IIT‚ Kharagpur Specific Instructional Objectives At the end of this lesson the students will be able to: • • • • • • • • • Explain what is data Distinguish between Analog and Digital signal Explain the difference between time and Frequency domain representation of signal Specify the bandwidth of a signal Specify the Sources of impairment Explain Attenuation and Unit of Attenuation
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line 1. INTRODUCTION Wireless ad hoc networks have emerged to support applications‚ in which it is required/desired to have wireless variety of devices without relying on communications among a any infrastructure or central management. In ad hoc networks‚ wireless devices‚ simply called nodes‚ have limited transmission range. Therefore‚ each node can directly communicate with only those within its transmission range (i.e.‚ its neighbours) and requires other nodes to act as routers in
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Ninan 9/27/2006 Mr. Astmann English 103 The Great Affects of Football From the early ages in history to present day‚ sports have had a major impact on society. Football is a very popular sport played in America and many other countries. Some may say that football is a violent sport and its not beneficial in any way‚ but in reality it gives a person all the basic tools needed not only for playing the game‚ but also how you interact with people in society. Also it is very simple to get
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How Food Affects Society There are many factors that play a major role in the health of a human being. One of the most important factors involved is food. Without food in the human life‚ the human life would cease to exist. The consumption of food is what energizes the human body‚ gives it the nutrition it needs‚ and most importantly‚ keeps the body actively working and living. Unfortunately over the years‚ numerous changes have taken an effect on food. Those effects have also had an
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JOCELYN T. BALAGUSA BSED-Supplemental How Values Affect A Person Values are set of beliefs to which a person refers to in times of crisis. That is when the person is confronted with the hardest decision to make. Say for instance‚ while I was taking a walk along the downtown area of Tacloban City‚ I saw an old woman carrying a pocket full of cash. Maybe she just came from selling her copra from a nearby buying shop. From her disheveled look‚ she was a real rural folk. I was so amused with
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you consider its implications for the Black AIDS epidemic. The Centers for Disease Control and Prevention released the study‚ which is the first of its kind‚ on March 11 at its annual STD prevention conference. Researchers culled through 2003-2004 data in an ongoing‚ annual health survey of American households. As part of that survey‚ 838 14- to 19-year- old girls were tested for a handful of common sexually transmitted infections -- chlamydia‚ herpes‚ trichomoniasis and human papilloma virus‚ or
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Models Network Management: Principles and Practice © Mani Subramanian 2000 1 Chapter 4 Case Histories • AT&T Network Management Centers • Network Operations Center • Network Control Centers • Monitors the network status • Self-healing • CNN World Headquarters • Performance Management • Fault Management • Monitoring alarms • Determines causes of failures (Artificial Intelligence) • Centralized troubleshooting of NIC (remotely) • Performance degradation due to NMS • Network may come down
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How pride affects the world I do agree that pride is a wonderful terrible thing. In the story‚ The Scarlet Ibis‚ pride is what helped Doodle to do things he never could have done‚ but in a way it also led to his death. Doodle’s brother wanted a normal brother who could do things with him through his pride he had accomplished that. Ultimately though it was through his pride that he ended up having no brother at all. Pride was great for Doodle’s life because he got to experience things he never would
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Network Security (Packet Sniffing) Outline Packet sniffing Sniffing in Hub Sniffing in Switch ARP (Address Resolution Protocol) ARP Spoofing Conclusion Packet Sniffing Overview Process of monitoring a network to gather information that may be useful Use by both “good guys” and “bad guys” Sniffing in Hub A sends a packet to D All stations will receive the packet including the Sniffer station A B Sniffer Hub C D Sniffing in
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How Modern Technology Helps in Communication? A Course Paper By Ranjit Kumar Jha Submitted to Lecturar. Mabindra Regmi In the fulfillment of the course in titled Applied Linguistics in Masters in English Language Teaching Kathmandu University School of Education Balkumari ‚ Lalitpur 2013 Abstract If we talk about what are the tools that we can
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