do you mean by data communication? Ans: It is the exchange of data between two devices via some form of transmission medium such as wire cable. The communicating system must be part of a communication system made up of a combination of hardware and software. The effectiveness of a data communication system depends on three fundamental characteristics: delivery‚ accuracy and timeliness. 2. What is simplex? Ans: It is the mode of communication between two devices in which flow of data is unidirectional
Premium Data transmission Error detection and correction Ethernet
of physical database design (3) Ability to perform both DB2 and also operating system performance monitoring and the necessary adjustments. (4) Be able to provide a strategic database direction for the organisation. (5) Excellent knowledge of Oracle backup and recovery scenarios. (6) Good skills in all DB2 tools. (7) A good knowledge of DB2 security management. (8) A good knowledge of how DB2 acquires and manages resources. (9) Sound knowledge of the applications at your site. (10) Experience
Premium SQL Database Database management system
MBA6018 – Data Analysis Unit 3 Activity 1 January 23‚ 2013 Practical Application Scenario 1 In 2010‚ Playbill Magazine contracted Boos Allen to conduct a survey aimed at determining the average annual household income of Playbill readers. 300 readers were randomly pulled and sampled from the list of customers provided by Playbill Magazine. From that sampling effort‚ Boos Allen was confident that the population average household income is $119‚155 and that the population sample household
Premium Statistical hypothesis testing Statistics Normal distribution
Mesa‚ Manila SAMPLING TEACHNIQUES and DATA ANALYSIS Submitted by: Jayson A. Enabia Rechelle Ann V. Elon Lobelyne Elago Monica Mae R. Flores April Mariz Francisco BBF 4-10n TABLE OF CONTENTS Introduction 1 Methods of Collecting Data Interview method 1 Questionnaire Method 2 Empirical Observation Method 4 Test Method 5 Registration Method 5 Mechanical Devices
Premium Philippines Manila Corporation
are interested in forecasting the stock prices by using trends‚ patterns‚ moving averages observed from historical data. However‚ there have been a certain number of people criticizing the use of past data. Among these people‚ a French mathematician‚ Louis Bachelier raised a theory called Efficient Market Hypothesis more than a century ago. The theory states that stock prices follow a random walk‚ which discouraged the study of historical data. This is very controversial and has led to an ever
Premium Time series
KNOWLEDGE AND DATA ENGINEERING‚ VOL. 23‚ NO. 1‚ JANUARY 2011 51 Data Leakage Detection Panagiotis Papadimitriou‚ Student Member‚ IEEE‚ and Hector Garcia-Molina‚ Member‚ IEEE Abstract—We study the following problem: A data distributor has given sensitive data to a set of supposedly trusted agents (third parties). Some of the data are leaked and found in an unauthorized place (e.g.‚ on the web or somebody’s laptop). The distributor must assess the likelihood that the leaked data came from
Premium Object-oriented programming Object Data
The Enterprise Data Model Introduction An Enterprise Data Model is an integrated view of the data produced and consumed across an entire organization. It incorporates an appropriate industry perspective. An Enterprise Data Model (EDM) represents a single integrated definition of data‚ unbiased of any system or application. It is independent of "how" the data is physically sourced‚ stored‚ processed or accessed. The model unites‚ formalizes and represents the things important to an organization
Premium Data management Data modeling
1. With necessary diagram explain about data warehouse development life cycle . Ans : Introduction to data warehouses. Data warehouse development lifecycle (Kimball’s approach) Q. 2. What is Metadata ? What is it’s uses in Data warehousing Archietechture ? Ans : In simple terms‚ meta data is information about data and is critical for not only the business user but also data warehouse administrators and developers. Without meta data‚ business users will be like tourists left
Premium Data warehouse Data management Software testing
usually adopted to restore the equilibrium ? Explain. 3. Write a note on organization and structure of 20 Foreign Exchange Markets in India‚ bringing out the changes since 1991. 4. What is Transaction Exposure ? Name the 5+15 different methods of hedging transaction exposure and explain in detail any one of them. IB0-06 1 P.T.O. 5. Explain the concept of Transfer Pricing. Why do the TNCs resort to such a practice and why are the governments against it ? Discuss in detail
Premium International Monetary Fund International trade Foreign exchange market
process? Have references’ names and contact information ready when going to an interview. "Don’t use best friends or family members‚" says Bonnie Roberge‚ human resources director for Everest University’s Florida division. Before leaving an employer‚ ask your supervisor if he or she will give you a reference. If not‚ direct a potential employer to a human resources contact. Roberge says references should be tailored to the job. If in sales‚ you might choose a good
Premium Employment