Microsoft QuickBasic




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Microsoft QuickBASIC (QB or QBASIC) is a descendant of the BASIC programming language developed by the Microsoft Corporation for use with the MSDOS Operating System. It bases loosely on Microsoft GW-BASIC but added improved graphics and disk support.

Microsoft released the first version of QuickBASIC on August 18, 1985 on a 5.25" floppy disk. QuickBASIC came with a markedly different Integrated Design Environment (IDE) from the one supplied with previous versions of BASIC. Line numbers were no longer needed since users could insert and remove lines directly via an onscreen text editor.

It included Microsoft's "PC BASIC Compiler" which compiled programs into DOS executables. The editor had an interpreter built in which would run the program without leaving the editor at all. The IDE included also an option to debug the program before creating an executable file.

The last version of QuickBASIC was 4.5 although there was continued development of the Professional Development System, the last release of which was version 7.1


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