Information system - Acquiring, Services, Technology

information system

Table of Contents

Introduction
Components of information systems
- Computer hardware
- Computer software
- Telecommunications
- Databases and data warehouses
- Human resources and procedures
Types of information systems
- Operational support and enterprise systems
- Support of knowledge work
  - Professional support systems
  - Collaboration systems
  - Knowledge management systems
- Management support
  - Management reporting systems
  - Decision support systems and business intelligence
  - Executive information systems
Acquiring information systems and services
- Acquisition from external sources
- Internal information systems development
Managing information systems
- Information system infrastructure and architecture
- Organization of information services
Information systems security and control
- Information systems security
- Computer crime and abuse
- Information systems controls
- Securing information
- Information systems audit
Impacts of information systems
- Organizational impacts of information systems
- Information systems in the economy and society
- Information systems as a field of study

References & Edit History Quick Facts & Related Topics

Images

taking a driver's license test on a computer

structure of organizational information systems

Figure 6: The life cycle of an information system.

For Students

information system summary

Read Next

5 Components of Information Systems

Discover

Town of Sisimiut located on the coast of the Davis Strait on Kangerluarsunnguaq Bay, Greenland

The Largest Islands in the World

Four year old boy with grandfather and father lighting Hanukkah menorah. Photo taken on: December 21st, 2009

Which Is Correct: Hanukkah or Chanukah?

The Prado Museum facade at the Diego Velaszquez memorial. Established in 1819, the museum is considered the best collection of Spanish art and one of the world's finest collections of European art. Madrid, Spain

20 Paintings You Have to Visit at the Museo del Prado in Madrid

Saint Lucia Day. Young girl wears Lucia crown (tinsel halo) with candles. Holds Saint Lucia Day currant laced saffron buns (lussekatter or Lucia's cats). Observed December 13 honor virgin martyr Santa Lucia (St. Lucy). Luciadagen, Christmas, Sweden

7 Winter Solstice Celebrations From Around the World

Orange basketball on black background and with low key lighting. Homepage 2010, arts and entertainment, history and society

The 10 Greatest Basketball Players of All Time

Facsimile of one of William Henry Ireland's forgeries, a primitive self-portrait of William Shakespeare(tinted engraving). Published for Samuel Ireland, Norfolk Street, Strand, December 1, 1795. (W.H. Ireland, forgery)

The Time a Law Clerk Successfully Forged a New Shakespeare Play to Impress His Dad

Stylish light blue jeans on wooden background, closeup of inset pocket

Why Do Jeans Have That Tiny Pocket?

Information systems are a major corporate asset, with respect both to the benefits they provide and to their high costs. Therefore, organizations have to plan for the long term when acquiring information systems and services that will support business initiatives. At the same time, firms have to be responsive to emerging opportunities. On the basis of long-term corporate plans and the requirements of various individuals from data workers to top management, essential applications are identified and project priorities are set. For example, certain projects may have to be carried out immediately to satisfy a new government reporting regulation or to ...(100 of 8391 words)

Access the full article

Help support true facts by becoming a member.