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UML and Data Modeling: A Reconciliation by David Hay

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The first widely-accepted term for this industry was data processing, with an emphasis on processing. The first widely accepted languages were algorithmic languages focused on the work done by computers, with data being a kind of raw material for the processes.

In the 1950s, first Assembly Language and then Fortran allowed programmers to deal with concepts more comfortable than simple zeroes and ones. Assembly language defined mnemonic codes for machine instructions, which made them easier to deal with than zeros and ones, but programming was still very intricate work in that decade.

Fortran (derived from IBM Mathematical Formula Translating System) is a general-purpose, procedural, imperative programming language ...

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