Transmission Media • Transmission medium – Physical path between transmitter and receiver – May be guided (wired) or unguided (wireless) – Communication achieved by using em waves • Characteristics and quality of data transmission – Dependent on characteristics of medium and signal – Guided medium ∗ Medium is more important in setting transmission parameters – Unguided medium ∗ Bandwidth of the signal produced by transmitting antenna is important in setting transmission parameters ∗ Signal directionality
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Effective Data Management Strategies and Business Intelligence Tools Keiser University Dr. Thompson MBA 562 April 12‚ 2012 Introduction In today’s society‚ many individuals and companies use smaller and more powerful computing and communication devices. These devices have better connectivity when in both wired and wireless environments‚ and accepted standards for data transfer and presentation. These devices play a major role in the lives of individuals and companies
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Target Data Breach Charles Moore American Military University Abstract Target a large retail corporation that operates over 1‚700 stores across the United States. They also operate as an online retailer at target.com. In 2012 the retailer earned more than $73 billion dollars in revenue and grew their sales by 5.1% from the previous year. Looking at the revenue and sales growth rate it is hard to fathom that more money could not be spent to ensure that consumer data is protected as much as
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System Based On Web Data Mining for Personalized E-learning Jinhua Sun Department of Computer Science and Technology Xiamen University of Technology‚ XMUT Xiamen‚ China jhsun@xmut.edu.cn Yanqi Xie Department of Computer Science and Technology Xiamen University of Technology‚ XMUT Xiamen‚ China yqxie@xmut.edu.cn Abstract—In this paper‚ we introduce a web data mining solution to e-learning system to discover hidden patterns strategies from their learners and web data‚ describe a personalized
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Data‚ Information‚ and Knowledge – Interwoven To explore the concepts of Data‚ Information‚ and Knowledge independently is to attempt building a large and complex puzzle with only a few pieces from the box. While the relationships between these concepts can be as elusive as finding their universal definitions‚ it is within these relationships that data‚ information‚ and knowledge are most meaningful. In the broadest sense‚ data exists in the form of unorganized and raw facts about the environment
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Page 2 Data communications (Datacom) is the engineering Datacom) discipline concerned with the communication between devices. A network is a set of devices (often referred to as nodes) nodes) connected by communication links. links. A computer network is any set of computers or devices connected to each other via some form of transmission medium with the ability to exchange data. Here information is presented in a form which is agreed upon by the parties creating and using the data. A computer
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the researcher used Quantitative data collection methods. Using qualitative data collection method‚ it rely on random sampling and structured data collection instruments that fit diverse experiences into predetermined response categories. They produce results that are easy to summarize‚ compare‚ and generalize. Quantitative research is concerned with testing hypotheses derived from theory and/or being able to estimate the size of a phenomenon of interest. Depending on the research question‚ participants
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and data must be gathered to make sure that all details match and that all requirements are met. It would be safe to assume that our theory that the larger the house and the more rooms a house has‚ the more expensive the price of the house will be. The three major variables in our data summary are: number of bedrooms‚ size of the house‚ and number of baths. According to our information compiled (see attached excel file for mega stat)‚ the measure of tendency that best represents the data set
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DATA PROTECTION ACT 1998 GUIDANCE TO SOCIAL SERVICES March 2000 CONTENTS Section 1 Section 2 Section 3 Introduction Glossary of terms Good practice in record keeping Principles underpinning good practice A policy framework Retention and destruction of records Records subject to statutory requirements Management commitment to good practice 4 8 14 14 15 16 17 17 Contents page 1 Section 4 Details of the Act and its implementation Access to social services records Personal
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POLYMER DATA HANDBOOK *Home *Browse/Search Contents *Browse by Polymer Class *Browse the Index *Online help Copyright © 1999 by Oxford University Press‚ Inc. EDITED BY JAMES E. MARK‚ UNIVERSITY OF CINCINNATI PUBLISHED BY OXFORD UNIVERSITY PRESS The online version of the Polymer Data Handbook includes key data on over two hundred polymers. Please note that entries are presented as PDF files and can only be read using Adobe Acrobat Reader Version 3. If you do not have the freeware reader‚
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