ais_ch_03 - Systems Techniques and Documentation Use of...

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Systems Techniques and Documentation
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Use of Systems Techniques in Systems Development What are the three phases of a systems development project? 1 Systems analysis 2 Systems design 3 Systems implementation
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Systems Analysis Systems analysis involves collecting and organizing facts. Systems techniques assist the analyst in performing these tasks. What are some of these techniques? matrix techniques logical data flow diagrams
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Systems Implementation Systems implementation involves the actual carrying out of the design plan. Documentation is one of the most important parts of systems implementation. What systems techniques serve as a documentation tool?
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Systems Techniques What is a flowchart? A flowchart is a symbolic diagram that shows the data flow and sequence of operations in a system. Flowcharts are probably the most common systems technique.
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Basic Symbols Input/Output Process Flowline Annotation
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Specialized Input/Output Symbols Punched Card On-Line Storage Magnetic Tape Magnetic Disk Punched Tape
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Specialized Input/Output Symbols Document Manual Input Display Communication Link Off-Line Storage
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Specialized Process Symbols Decision Predefine d Process Preparation Manual Operation Auxiliar y Operatio n Merge Extract Sort Collate
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Additional Symbols Connector Off-page Terminal Parallel Mode Transmittal Tape
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Symbol Use in Flowcharting Symbols are used in a flowchart to represent the functions of an information or other type of system.
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ais_ch_03 - Systems Techniques and Documentation Use of...

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