DATA COMMUNICATION COEN 3193 Assignment No. 1 Brief History of Data Communication Submitted by: Camille A. Bonito BSCpE IV-2 Submitted to: Florinda H. Oquindo TIMELINE OF HISTORY OF DATA COMMUNICATION 1800 Telegraph defined from the Greek... TELE = Afar GRAPHOS = Write 1809 First telegraph in Bavaria. Samuel Soemmering. Used 35 wires with gold electrodes in water. Detection at distant end 2000 feet away was by the amount of gas caused by electrolysis. 1828 First telegraph in the USA
Premium Bell System AT&T
Title: Holographic Data Storage Author: Mazin Ismail Abstract: The growing demands of high definition digital video content‚ fixed content data‚ and compliance and security application will soon outstrip the capabilities of current storage technologies to keep up the demand. Clearly a new storage paradigm is needed to meet the growing storage demands. So what is it going to be? With its omnipresent computer‚ all connected via the internet‚ the information age has led to an explosion of
Premium Computer data storage Electrical engineering
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
Premium Regression analysis Statistics Linear regression
without the network planning and configuration of the Data-Warehouse‚ Data-Mart and Data-Mining. The relational database series of logically related two-dimensional tables or files to store information in the form of a database. The files that Wal-Mart will create for an online ordering would be order would be Order Number‚ Order Date‚ Customer Number‚ Delivery Address‚ and Amount Ordered. Employee files would also have unique data‚ Employee Number‚ Data of Hire‚ Employee Name‚ (first and last). Regular
Premium SQL Relational model Supply chain management
The “Internal Use Only” data classification is necessary security measure to protect our company’s data against unauthorized use‚ access‚ modification‚ and deletion. There are seven domains typically found in an IT infrastructure. They are User Domain‚ Workstation Domain‚ LAN Domain‚ LAN-to-WAN Domain‚ Remote Access Domain‚ WAN Domain‚ and System/Application Domain. Out of these seven Domains the “Internal Use Only” data classification will include the User Domain‚ the Work Station Domain‚ and the
Premium Password Unix Personal computer
Alan Shawn Feinstein Graduate School 321 Harborside Boulevard DATA ANALYSIS PROJECT THE RELATIONSHIP BETWEEN CARBON DIOXIDE AND ANNUAL MEAN TEMPERATURE IN THE U.S. Date: 05/10/2013 I Background There is one of the most sensitive global climate issues for years‚ which is global warming. In general‚ we know that the origin of global warming is the emission of Carbon Dioxide. It was verified that the relationship between Carbon Dioxide and temperature: when there is more Carbon Dioxide
Premium Global warming Carbon dioxide
Interpretation and Analysis of Data In Trinidad chocolate is a very popular snack. Charles chocolate is Trinidad and Tobago’s local chocolate brand and it falls under the chocolate industry. At ASJA Girl’s College San Fernando a survey was conducted to analyze the factors that affect the demand for Charles chocolate. In the survey conducted 20 questionnaires were given out to students; five questionnaires were given to random students within the various age groups 11 to 13 years‚ 14 to 15 years
Premium Supply and demand
SOLUTIONS MANUAL DATA AND COMPUTER COMMUNICATIONS EIGHTH EDITION CHAPTERS 1 - 12 WILLIAM STALLINGS Copyright 2007: William Stallings © 2007 by William Stallings All rights reserved. No part of this document may be reproduced‚ in any form or by any means‚ or posted on the Internet‚ without permission in writing from the author. Selected solutions may be shared with students‚ provided that they are not available‚ unsecured‚ on the Web. -2- NOTICE This manual contains
Premium Data transmission OSI model Data Link Layer
Analyzing and Interpreting Data QNT/351 September 16‚ 2014 Analyzing and Interpreting Data BIMS management team has been facing a major dilemma of high turnover and extremely low employee morale. BIMS management team has asked Team B to help identify the main cause of the high turnover and low morale and propose an acceptable solution that will result in a decrease of both. Data Collection Conclusion In the past few months we at BIMS have learned‚ thru the drop in employees that the company’s
Premium Null hypothesis Hypothesis Statistical hypothesis testing
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
Premium Standard deviation