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development system[di′vel·əp·mənt ‚sis·təm]
The computer and software that are used to create a computer program.
development system(1) A programming language and related components. It includes the compiler, text editor, debugger, function library and any other supporting programs that enable a programmer to write a program. See developer's toolkit and application development system. For a list of popular client/server development tools, see client/server development system.
(2) A computer and related software for developing applications.