Evolution of Decision Support Systems in the 1970s

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What is the publisher of the course book?

IU Internationale Hochschule GmbH

What is the version number of the course book?

001-2023-0818

What is the course book protected by?

copyright

What limitations did decision support systems (DSS) face in meeting high expectations?

Limited analysis capability and acceptance by managers. Signup and view all the answers

What was the advantage of executive information systems (EIS) over previous information systems?

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

Why did the demand for effective information systems increase in the 1990s?

Globalization, decentralization, and the flood of data from internationalization. Signup and view all the answers

What problem did the development of data warehouses (DWH) aim to solve?

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

What is the purpose of the self-check questions at the end of each section of the course book?

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

What is the passing score for the knowledge tests in each unit?

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

When is the course considered finished?

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

What should students do before registering for the final assessment?

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

What is the primary characteristic of a data warehouse (DWH)?

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

What is the basic prerequisite for the use of powerful BI tools?

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. Signup and view all the answers

What is the difference between operational systems and dispositive systems?

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

What is the purpose of a data warehouse (DWH) in relation to operational systems?

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

What are the four basic characteristics of a data warehouse?

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

What is the definition of a data warehouse according to W. H. Inmon?

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

What is the definition of business intelligence (BI)?

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

What does BI in the broader sense cover?

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. Signup and view all the answers

What is business intelligence (BI)?

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

What is the purpose of a data warehouse (DWH) in relation to business intelligence (BI)?

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. Signup and view all the answers

What is the historical development of business intelligence?

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

What is the term data warehouse (DWH) used to describe?

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. Signup and view all the answers