02. Compare and contrast between the bus and star topology. A network architecture in which a set of clients are connected by a shared communications line‚ called as a bus. A network consists of one central switch‚ hub or computer which acts as a conduit to transmit messages‚ called as a star. Bus networks are the simplest way to connect multiple clients‚ but often have problems when two clients want to transmit at the same time on the same bus. The star topology is a computer
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STATISTICS TEST Length: 1090 words (3.1 double-spaced pages) Rating: Red (FREE) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Statistics are necessary for scientific research because they allow the researchers to analyze empirical data needed to interpret the findings and draw conclusions based on the results of the research. According to Portney and Watkins (2009)‚ all studies require a description of subjects and responses that are obtained through measuring central
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Table of Contents 1. VARIABLES- QUALITATIVE AND QUANTITATIVE......................3 1.1 Qualitative Data (Categorical Variables or Attributes) ........................... 3 1.2 Quantitative Data............................................................................................... 4 DESCRIPTIVE STATISTICS.................................................6 2.1 Sample Data versus Population Data ................................................................... 6 2.2 Parameters and Statistics
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Professor Faleh Alshamari Submitted by: Wajeha Sultan Final Project Hashing: Open and Closed Hashing Definition: Hashing index is used to retrieve data. We can find‚ insert and delete data by using the hashing index and the idea is to map keys of a given file. A hash means a 1 to 1 relationship between data. This is a common data type in languages. A hash algorithm is a way to take an input and always have the same output‚ otherwise known as a 1 to 1 function. An ideal hash function is
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Problem Set 1 1. (Star Wars) Real GDP = 461.0(214.5/60.6) = 1‚631.76 (E.T.) Real GDP = 399.9(214.5/96.5) = 888.90 (Titanic) Real GDP = 600.8(214.5/160.5) = 802.94 (Shrek 2) Real GDP = 437.2(214.5/188.9) = 496.45 (Avatar) Real GDP = 760.5(214.5/214.5) = 760.5 Real GDP in Order of Largest to Smallest Movies Nominal Box Office Receipts (millions) CPI in Year Released Real Box Office Receipts (millions) Star Wars (1977) 461.0 60.6 1‚631.76 E.T. The Extra-Terrestrial (1982) 399.9 96.5 888.90 Titanic
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Traveling Mindset vs. Home Mindset Does having a closed mind set benefit more than a open mind set? Being open minded is having a mind embarks on new ideas‚ exploring and arguments. Being close minded is not open to new ideas and exploring. What does open minded and close minded have to do with having a traveling mind set and home mind set? Having a traveling mind set‚ we carry with us no rigid ideas about what is interesting. A home mind set is being settled in expectations‚ and assured that we have
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Types of Data Integrity This section describes the rules that can be applied to table columns to enforce different types of data integrity. Null Rule A null rule is a rule defined on a single column that allows or disallows inserts or updates of rows containing a null (the absence of a value) in that column. Unique Column Values A unique value rule defined on a column (or set of columns) allows the insert or update of a row only if it contains a unique value in that column (or set of columns)
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for67757_fm.fm Page i Saturday‚ January 7‚ 2006 12:00 AM DATA COMMUNICATIONS AND NETWORKING for67757_fm.fm Page ii Saturday‚ January 7‚ 2006 12:00 AM McGraw-Hill Forouzan Networking Series Titles by Behrouz A. Forouzan: Data Communications and Networking TCP/IP Protocol Suite Local Area Networks Business Data Communications for67757_fm.fm Page iii Saturday‚ January 7‚ 2006 12:00 AM DATA COMMUNICATIONS AND NETWORKING Fourth Edition Behrouz A. Forouzan DeAnza College with
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Data warehousing is the process of collecting data in raw form for analyzing trends. The benefits to data warehousing are improved end-user access‚ increased data consistency‚ various kinds of reports can be made from the data collected‚ gather the data in a common place from separate sources and additional documentation of data. Potential lower computing costs‚ increased productivity‚ end-users can query the database without using overhead of the operational systems and creates an infrastructure
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DATA | INFORMATION | 123424331911 | Your winning lottery ticket number | 140593 | Your date of birth | Aaabbbccd | The grades you want in your GCSEs | Data and information Data‚ information & knowledge Data Data consist of raw facts and figures - it does not have any meaning until it is processed and turned into something useful. It comes in many forms‚ the main ones being letters‚ numbers‚ images‚ symbols and sound. It is essential that data is available because it is the first
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