Short Questions: Differentiate between guided media and unguided media. Differentiate between an analog and a digital electromagnetic signal. What are three important characteristics of a periodic signal. What is the relationship between the wavelength and frequency of a sine wave. Define fundamental frequency. What is the relationship between a signal’s spectrum and its bandwidth. What is attenuation? Define channel capacity. What key factors affect channel capacity? Problems:
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DataBig Data and Future of Data-Driven Innovation A. A. C. Sandaruwan Faculty of Information Technology University of Moratuwa chanakasan@gmail.com The section 2 of this paper discuss about real world examples of big data application areas. The section 3 introduces the conceptual aspects of Big Data. The section 4 discuss about future and innovations through big data. Abstract: The promise of data-driven decision-making is now being recognized broadly‚ and there is growing enthusiasm
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Data Collection Methods. Introduction Data collection is the process of gathering and measuring information on variables of interest‚ in an established systematic fashion that enables one to answer stated research questions‚ test hypotheses‚ and evaluate outcomes. Data Collection Techniques include the following: Personal Interviews Conducting personal interviews is probably the best method of data collection to gain first hand information. It is however‚ unsuitable in cases where there are
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Unemployment Data for May-June 7 of 2013 Employment (rose/fell/remained unchanged)‚ and the unemployment rate edged (up/down/stayed unchanged) to (?) percent in the last month. Employment for nonfarm payroll rose by 175‚000 in May‚ which includes construction and manufacturing companies. The unemployment rate stayed unchanged at 7.6 percent in the last month. Employment for professional and business services‚ food services and drinking places‚ and retail trade rose also. The summary states
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Data Collection and Analysis The research project chosen was the comparison of the 12 ounce cans of Pepsi and Coke. The research team of five‚ individually purchased and tested 3 cans each of Pepsi and Coke. Enclosed below will be the procedure which was followed to obtain the data. The methodology used to measure the liquid was changed to accommodate the way that the tools recorded the measurements. The implications of the changes will be discussed to show that the integrity of the process was
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independent research. The objectives of this School Based Assessment include to: 1. Justify the use of standards in Accounting; 2. Assess the impact of technology on Financial Accounting; 3. Assess critically the advantages and disadvantages of the various forms of organization; 4. Discuss the social and ethical issues in financial reporting; 5. Prepare financial statements in a form suitable for publication‚ using disclosure requirements and relevant legislation. Data collection
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briefly explain the quantitative data collection. Data collection is often costliest and the most time consuming portion of study.Quantitative research is an approach for testing objective theories by examining the relationship among variables.The data collection method in quantitative research is in structured manner which involves decent planning of data collection. The planning of data collection process involves certain steps as follows: Identification of data needs. Selecting types
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READING QUESTIONS DAY ANSWERS 1. Which of the following reading components do you find the easiest and the most difficult? Vocabulary Sentence/Syntax Getting the main idea Comprehension Others:_______________ Easiest: _____________ Difficult: _______________ EASIEST COMPONENTS: Vocabulary - 3 Sentence/Syntax - 11 Getting the main idea - 16 Comprehension - 1 DIFFICULT COMPONENTS: Vocabulary - 5 Sentence/Syntax - 9 Getting the main idea - 5 Comprehension – 11 2. Why do you
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MEAN SCORE Descriptive Statistics N Mean Std.Deviation Discount 196 1.38 .672 Gift Coupon 196 1.47 .603 Free tour 196 1.91 .929 Cash back 196 1.44 .634 Price 196 1.54 .753 Quality 196 1.44 .592 Quantity 196 1.58 .715 Varity 196 1.68 .609 Brand 196 1.66 .641 Durability 196 1.94 .732 Availability 196 2.04 .902 Promotion Scheme 196 2.24 .944 Advertisement 196 2.10 .871 Promotional scheme of Berger paint is very attractive. 196 1.99 .791
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Information gathering is a key element when you are trying to find some hidden data about someone‚ a company‚ or even a school. In a university‚ I could determine what the internet protocol address range by going to a web browser and typing in WHOIS in the search engine. Afterwards I would click the WHOIS link and it will take me to a screen with a text search box where I would put in the domain name of the university and hit search. Then I should see the results and it will give me the university’s
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