An essay has been defined in a variety of ways. One definition is a "prose composition with a focused subject of discussion" or a "long, systematic discourse".
Data storage device Early electronic computers such as Colossus made use of punched tapea long strip of paper on which data was represented by a series of holes, a technology now obsolete. The earliest form of non-volatile computer storage was the magnetic druminvented in  and used in the Ferranti Mark 1the world's first commercially available general-purpose electronic computer.
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It has been estimated that the worldwide capacity to store information on electronic devices grew from less than 3 exabytes in to exabytes in doubling roughly every 3 years. Database Database management systems emerged in the s to address the problem of storing and retrieving large amounts of data accurately and quickly.
Although XML data can be stored in normal file systemsit is commonly held in relational databases to take advantage of their "robust implementation verified by years of both theoretical and practical effort". The terms "data" and "information" are not synonymous.
Anything stored is data, but it only becomes information when it is organized and presented meaningfully. Data warehouses began to be developed in the s to integrate these disparate stores.
They typically contain data extracted from various sources, including external sources such as the Internet, organized in such a way as to facilitate decision support systems DSS.
The business value of information technology lies in the automation of business processes, provision of information for decision making, connecting businesses with their customers, and the provision of productivity tools to increase efficiency. Employment distribution of computer systems design and related services,  Employment in the computer systems and design related services industry, in thousands,  Occupational growth and wages in computer systems design and related services,  Projected percent change in employment in selected occupations in computer systems design and related services,  Projected average annual percent change in output and employment in selected industries,  Main article: Information ethics The field of information ethics was established by mathematician Norbert Wiener in the s.The Mensa Foundation Scholarship Program awards more than $, every year, completely based on essays written by the applicants, who need not be Mensa members.
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California State University Channel Islands is Ventura County's first public, four-year university. The Learning Commons integrates teaching, learning, information, and technology resources for dialogue, learning, and collective discovery.
A comprehensive, coeducational Catholic High school Diocese of Wollongong - Albion Park Act Justly, love tenderly and walk humbly with your God Micah Career & Technical Education CTE.
Lake Tahoe Community College’s cutting-edge, rigorous and relevant Career and Technical Education (CTE) programs prepare students for a wide range of high-wage, high-skill, high-demand careers.