A CDE Definition
information processing cycle
The sequence of events in processing information, which includes (1) input, (2) processing, (3) storage and (4) output. The input stage can be further broken down into acquisition, data entry and validation. The output stage can also be further divided into interactive queries and routine reports. A fifth stage is often attributed to this cycle, which is the archiving or deletion of unwanted data. See system development life cycle.
system development life cycle
The sequence of events in the development of an information system (application), which requires mutual effort on the part of both the user and technical staff. See agile software development and information processing cycle.
1. SYSTEMS ANALYSIS & DESIGN
2. USER SIGN OFF
5. USER ACCEPTANCE
The System Development Life Cycle
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