An underlying theme in the Glossary is the management process of IT in organizations. Understanding this helps explain some of the problems that business managers see in how, for example, IT costs are handled, how new information systems are developed, how changes are made to existing systems, and how new technologies are introduced.
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Every Manager's Guide to Information Technology:

A Glossary of Key Terms & Concepts for Today's Business Leader

Many of the planning and accounting procedures, attitudes, and relationships in place today in organizations reflect a 40-year tradition of delegating information systems management and of handling IT costs and planning as budgeted overhead. The management process has not kept pace with technology-its uses and pervasive impact and the policy decisions needed to make it effective. As a result, professionals and business managers face one another across a gulf of unfamiliar language and culture and frequently experience mutual frustration trying to bridge it. A shared language helps, but more important it is a shared understanding of the issues that underlie the decisions. To merely define integration and architecture, for example, gives little insight into what these elements mean for the planning process or business managers' contributions to it.

In retrospect, we can identify four fairly distinct eras in the evolution of IT in organizations:

  • Data processing (DP) (1960s)

  • Management information systems (MIS) (1970s)

  • Information innovation and support (IIS) (1980s)

  • Business integration and restructuring (BIR) (1990s)

Many of today's IS management practices were created in the MIS era and are now being adapted to meet the stresses and challenges of the IIS era. A relatively small number of firms are well positioned to use IT as a business resource that can help them rethink and restructure their organizations and business operations. (I estimate that perhaps 10 percent of the Fortune 1000 are at or almost at that stage, with a slightly higher percentage of smaller firms less constrained by old management practices of managing IT. These smaller companies began their deployment of IT as a business resource with the personal computer, not with large, centralized corporate data processing units.)


Available online extracts from this book:

  1. Introduction
  2. Architecture
  3. Asynchronous Transfer Mode (ATM)
  4. Digital
  5. Electronic Data Interchange (EDI)
  6. Fiber Optics
  7. Relational Data Base (RDBMS)
  8. Servers
  9. Virtual Reality

 

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