PRINCIPALS OF PROGRAMMING LANGUAGE,  PROGRAMMING LANGUAGES BASICS

Effects of Mainframe Era on Programming Language Design

Effects of Mainframe Era on Programming Language Design

  1. In a language designed for batch processing, files are usually the basis for most of the input-output structure.
  2. In a batch- processing environment, an error that terminates execution of the program is acceptable but costly because often the entire run must be repeated after the error is corrected.
  3. Errorhandling in an interactive environment is given different treatment. If bad input data are entered from a keyboard, the program may display an error message and ask for a correction from the user.
  4. Interactive program must often utilize some notion of timing constrains.

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