Evolution of Decision Support Systems in the 1970s

IU Internationale Hochschule GmbH

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<p>Limited analysis capability and acceptance by managers.</p> Signup and view all the answers

<p>Easier implementation due to the use of personal computers (PCs).</p> Signup and view all the answers

<p>Globalization, decentralization, and the flood of data from internationalization.</p> Signup and view all the answers

<p>Managing inconsistent or non-compatible data sources from different systems.</p> Signup and view all the answers

<p>The self-check questions are designed to help students check their understanding of the concepts in each section.</p> Signup and view all the answers

<p>To pass the knowledge tests for each unit, students must answer at least 80% of the questions correctly.</p> Signup and view all the answers

<p>The course is considered finished when students have passed the knowledge tests for all units.</p> Signup and view all the answers

<p>Students should complete the evaluation prior to registering for the final assessment.</p> Signup and view all the answers

<p>The primary characteristics of a DWH are the collection of subject-oriented, integrated, nonvolatile, and time-variant data.</p> Signup and view all the answers

<p>The basic prerequisite for the use of powerful BI tools is the preparation and storage of consistent data that meets the business needs of managers.</p> Signup and view all the answers

<p>Operational systems are about capturing and recording data, whereas dispositive systems are about analyzing data.</p> Signup and view all the answers

<p>By using a DWH, operational systems are relieved of analytical queries, which might otherwise reduce processing capacities because of their complexity.</p> Signup and view all the answers

<p>The four basic characteristics of a data warehouse are subject-oriented, integrated, nonvolatile, and time-variant.</p> Signup and view all the answers

<p>A data warehouse is a subject-oriented, integrated, nonvolatile, time-variant collection of data in support of management’s decisions.</p> Signup and view all the answers

<p>Business intelligence is the process of transforming data into information and, through discovery, into knowledge.</p> Signup and view all the answers

<p>BI in the broader sense covers all applications that are used directly or indirectly for decision making, including evaluation and presentation functions, as well as data preparation and storage.</p> Signup and view all the answers

<p>Business intelligence (BI) is a process used to extract information from company data that supports informed corporate management and the optimization of business activities.</p> Signup and view all the answers

<p>The purpose of a data warehouse (DWH) in relation to business intelligence (BI) is to integrate strategies, processes, and technologies to generate critical knowledge about the current status and potential of a company's often fragmented divisions.</p> Signup and view all the answers

<p>The historical development of business intelligence goes back to the 1960s. Different systems for supporting managerial decision-making have existed since then.</p> Signup and view all the answers

<p>The term data warehouse (DWH) is used to describe a centralized repository of integrated data from various sources that is used for reporting and analysis purposes.</p> Signup and view all the answers