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components of a computer-based information system

Computer based transaction processing
Computer based transaction processing systems are often considered the bread and Butter MIS application. No matter how nervous upper management in a medium to large organization is about spending in the information system area it knows that it can not pull thee plug on its TPS and Survive.

Many of these organizations have had computer-based transaction processing system since 1950s. Most of these of these systems more than paid for themselves and have justified a full-time support staff consisting of computer professionals. Most transaction processing systems have been and still are main frame –oriented. IBM equipment and their compatibles currently claim the lion’s share of the transaction processing market place and are expected to hold onto this lead through the 1990s.

Today, many firms consider transaction processing to be their most important computer application. A surprisingly large number of firms, however, have not carried computer based information processing far beyond the transaction processing stage.