Designing and Programming CICS Applications
by John Horswill, Members of the CICS Development Team at IBM Hursley
Chapter 1. Introduction
In this chapter:
Computer systems are used for many different purposes in business today. These range from keeping personal to-do lists to developing business-critical applications in banks. Applications are often categorized by their purpose. For example:
- Personal productivity and groupware
The use of Personal Computers (PCs) for word processing, electronic mail (email), and document sharing using a Local Area Network (LAN).
- Design and development
Computer-aided design and software development.
- Manufacturing and production
Monitoring and control applications in factories.
- Business intelligence
Data warehousing applications used to aid decision-making, arising from powerful, large-scale databases.
- Business operations
Business operations applications (sometimes called line of business applications) that “transact the business” of a company—in other words, they perform business transactions on behalf of the company. This is not limited to cash-for-goods transactions. It can include any buyer/supplier transaction that can be translated into a digital format, as well as internal business processes dealing with company resources. For example:
Credit card transactions
Cash transactions from a bank’s Automatic Teller Machine (ATM) or supermarket cash dispenser
Stock market transactions for a stock exchange or brokerage
Information transactions for collecting, collating, ...
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