Structured Design: Fundamentals of a Discipline of Computer Program and Systems Design

activation afferent data element afferent module agenda approach bottom-up bugs Chapter COBOL cohesive module complete computer systems coroutine cost coupling data flow diagram data flow graph debugging decision defined discussed Edward Yourdon efferent efficiency error example execution factoring fan-in field Figure flowchart FORTRAN function hierarchy identifier implementation incremental input input-output interface intermodular involved iteration lexical load unit loop low-level module macro Master File master record matrix modification Modular Programming modular structure modular systems MULTISIM normal operating system optimization output packaging parameters pathological communication pathological connections perform PL/I problem procedural processing elements programming languages record recursion reference result scope of effect sequence shown in Fig simulation specific statements strategy structural design structure chart structured programming subcoroutine subordinate module subroutine subroutine call subsystem superordinate text string tion transaction analysis transaction center transform-centered update valid XX XX XX