infinite number of higher frequencies of decreasing magnitudes is needed to represent the single pulse. What implication does that have for a real digital transmission system? Suppose that a digitised TV picture is to be transmitted from a source that uses a matrix of 480 x 500 picture elements (pixels)‚ where each pixel can take on one of 32 intensity values. Assume that 30 pictures are sent per second. (This digital source is is roughly equivalent to broadcast TV standards that have been adopted.)
Premium Wave Wavelength Electromagnetic radiation
Economics is the study of social behavior guiding in the allocation of scarce resources to meet the unlimited needs and desires of the individual members of a given society. Economics seeks to understand how those individuals interact within the social structure to address key questions about the production and exchange of goods and services. First‚ how are individual needs and desires communicated such that the correct mix of goods and services become available? Second‚ how does a society provide
Premium Sociology Resource Economic system
Economic Forecasting ECO/372 August 20‚ 2013 Robert Stack ECONOMIC FORECASTING The study of macroeconomics demonstrates how individuals purchase‚ sell‚ and use raw materials to drive the economy around the globe. A useful source of data could be attained from the International Monetary Fund (IMF) where a person could gather current or historic data. After the collection of the data a researcher could utilize the International Monetary Funds website to see a forecast of any certain
Premium Economics Qualitative research Macroeconomics
ECONOMICS CHAPTER 1 ECONOMIC WAY OF THINKING SCARE RESOURCES WEALTH OF THE NATIONS ECONOMICS: ADAM SMITH STAR CITY Scarcity Scarcity is the basic and central economic problem confronting every society. It is the heart of the study of economics and the reason behind its establishment. Authors have defined scarcity in various way some if which are complexly stated. One author defines scarcity as a commodity or service being in short supply‚ relatives to its demand (Kapur
Premium Economics Supply and demand
Data Models Consider a simple student registration. Specifically we want to support the tasks of students registering for or withdrawing from a class. To do this‚ the system will need to record data about what entities? What specific data about the entities will need to be stored? What is the cardinality between students and courses? Diagram the data model. While‚ considering a student class registration system for registering or withdrawing a system must have the capability to record data in
Premium Java Subroutine Class
Analysis of Data The researcher distributed 150 questionnaires to people and students from different schools. After collecting the papers‚ each was tallied one by one. The questionnaire has a total of Seven(7) questions each with a different set and amount of answers. One hundred(100) questionnaires were distributed in person while the Fifty(50) were answered online. The results of the survey will be explained by percentage and shown through pie chart as well along with a slight conclusion for
Premium Chart Bar chart
Data mining Data mining is simply filtering through large amounts of raw data for useful information that gives businesses a competitive edge. This information is made up of meaningful patterns and trends that are already in the data but were previously unseen. The most popular tool used when mining is artificial intelligence (AI). AI technologies try to work the way the human brain works‚ by making intelligent guesses‚ learning by example‚ and using deductive reasoning. Some of the more popular
Premium Logic Artificial intelligence Scientific method
What Is A Data Dictionary? Per the IBM Dictionary of Computing‚ a data dictionary is a "centralized repository of information about data such as meaning‚ relationships to other data‚ origin‚ usage‚ and format." Essentially‚ it is documentation or data about data in a file or database‚ also called metadata. Typical Items In A Data Dictionary For each field or column in a database table‚ describe the following elements: Item Contents File/Table Name The name of the file or table where
Premium Data modeling SQL Relational model
Strategic responses in the recession…………………………………………………7 6. Conclusion………………………………………………………………….……….9 7. Bibliography…………………………………………………….…………………10 1. Introduction The economic crisis that shook the international markets had mixed reactions in the companies. Some were flat‚ hoping to improve the scenario. Others decided to go for innovation in search for new business areas. With proper planning and strategies‚ now envision
Premium Strategic management
1. Explain economics? Economics is the study of how society allocates scarce resources and goods. Resources are the inputs that society uses to produce output‚ called goods. Resources include inputs such as labor‚ capital‚ and land. Goods include products such as food‚ clothing‚ and housing as well as services such as those provided by barbers‚ doctors‚ and police officers. These resources and goods maybe be considered scarce because of society’s tendency to demand more resources and goods than
Free Economics