Abstract
Structured Programming is based on a few concepts such as GO TO-less programming, modularization of programs, and the top-down design of programs. GO TO statements are advised to be avoided in programs. GO TO statements make it difficult to follow the logic of a program and, therefore, difficult to debug. Other languages such as PL/I are better suited for writing GO TO-less programs. The introduction of the IF–THEN–ELSE into the ANS Standard FORTRAN will make GO TO-less programming in FORTRAN easier. Moreover, the IF–THEN–ELSE in conjunction with the WATFIV-S WHILE loop can make GO TO-less programming in FORTRAN as easy as it is in a few other high level languages. The top-down designs of a program, including the modularization of programs along with programming management techniques, such as the Chief Programming Team were employed at IBM in implementing a large information retrieval system for The New York Times. Flow charts are not the end-all for program design. In fact, a flow chart for any involved program is difficult to understand.
Published Version
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