channel. Each signal is assigned a different frequency (subchannel) within the main channel. * Useful bandwidth of medium exceeds required bandwidth of channel * e.g. broadcast radio and cable television * Channel allocated even if no data Frequency Division Multiplexing Diagram * Each signal is modulated to a different carrier frequency * Carrier frequencies separated by guard bands (unused bandwidth) – to prevent interference so signals do not overlap. 3 FDM System FDM
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serious macroeconomic imbalances - including multiple official exchange rates that overvalue the Burmese kyat‚ fiscal deficits‚ lack of commercial credit further distorted by a non-market interest rate regime‚ unpredictable inflation‚ unreliable economic data‚ and an inability to reconcile national accounts. Myanmar’s poor investment climate - including weak rule of law - hampers the inflow of foreign investment; in recent years‚ foreign investors have shied away from nearly every sector except for natural
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Data Collection Methods III Questionnaires A questionnaire is a preformatted written set of questions to which respondents record their answers usually within rather closely defined alternatives. Questionnaires are an efficient data collection mechanism when the researcher knows exactly what is required and how to measure the variables of interest. Questionnaires can be administered personally‚ mailed to the respondents‚ or electronically distributed. Guidelines for Questionnaire Design
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You will have a quiz on 04th of Sep. at the beg. of the class and some questions similar to the HW will be asked. Please come to the class early so that you do not miss the quiz! 1. Run a regression between price and area (sqft) for data in “housing ” worksheet. a. Estimate the population simple linear regression line that shows a relationship between the area and price of a house. (Price depends on the size of the house) b. Interpret the intercept and the slope of the line. c. Estimate the
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33151 – DATA COMMUNICATION AND COMPUTER NETWORKS ASSIGNMENT 1 (CO1‚ CO2 : PO1‚PO3) Note: • Submission Date: On or before but not after 12-10-2012 • Refer “Data Communications and Networking” 4th edition‚ Behrouz A. Forouzan • No Plagiarism • Kindly use A4 sheets 1. For n devices in a network‚ what is the number of cable links required for a mesh‚ ring‚ bus‚ and star topology? 2. Assume five devices are arranged in a mesh topology. How many cables
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Data Cleansing/Scrubbing The concept of information cleansing / scrubbing is to improve the quality of organizational information and thus the effectiveness of decision making businesses must formulate a strategy to keep information clean. This is a process that weeds out and fixes or discards inconsistent‚ incorrect‚ or incomplete information. Specialized software tools use sophisticated algorithms to parse‚ standardize‚ correct‚ match and consolidate data warehouse information. This is vitally
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Data Protection and Confidentiality in the Home based childcare setting By law I am bound to adhere to the Data Protection act of 1998. Every Child and their families have a legal right to privacy; the act is designed to prevent confidential and personal information being passed on without the persons consent. This includes information held on my computer‚ the paperwork I hold on each child and photographs of the children in the childcare setting. It is crucial that I adhere to this act in all
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When looking for data‚ it is important that school administration and teachers know what to look for. They can define their search by formulating essential questions with which to answer using the data. The essential questions will lead to goals that the school strives towards by researching the data. Data may include online databases‚ site based databases‚ spreadsheets‚ test scores and various other collection sources. The data can be collected on various online and printed forms used for documentation
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house they can afford to live in and how much they can get for the amount their budget will allow. Buyers and sellers will look for certain variables when purchasing or selling a home 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
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DISCRETE SEMICONDUCTORS DATA SHEET book‚ halfpage BC546; BC547; BC548 NPN general purpose transistors Product specification 1997 Mar 04 Supersedes data of September 1994 File under Discrete Semiconductors‚ SC04 Philips Semiconductors Product specification NPN general purpose transistors BC546; BC547; BC548 FEATURES Low current (max. 100 mA) Low voltage (max. 65 V). APPLICATIONS
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