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.QuickBasic 4.5 EN by Author: MicrosoftThis download package contains all the files of the original release including all example files and demos! For a complete list of files and a short description of each file, look in PACKING.LST.txt.
7/ 1990; 29 years ago ( 1990),WebsiteMicrosoft QuickBASIC (also QB) is an (or IDE) and for the that was developed. QuickBASIC runs mainly on, though there was a short-lived version for the. It is loosely based on but adds user-defined types, improved programming structures, better graphics and disk support and a compiler in addition to the.
Microsoft marketed QuickBASIC as the introductory level for their BASIC Professional Development System. Microsoft marketed two other similar IDEs for C and Pascal, viz. Contents.History Microsoft released the first version of QuickBASIC on August 18, 1985 on a single 5.25' 360kB. QuickBASIC version 2.0 and later contained an (IDE), allowing users to edit directly in its on-screen text editor.Although still supported in QuickBASIC, line numbers became optional. Program jumps also worked with named labels. Later versions also added control structures, such as multiline and loop blocks.Microsoft's 'PC BASIC Compiler' was included for compiling programs into DOS executables. Beginning with version 4.0, the editor included an interpreter that allowed the programmer to run the program without leaving the editor.
The interpreter was used to debug a program before creating an executable file. Unfortunately, there were some subtle differences between the interpreter and the compiler, which meant that large programs that ran correctly in the interpreter might fail after compilation, or not compile at all because of differences in the memory management routines.The last version of QuickBASIC was version 4.5 (1988), although development of the (PDS) continued until its last release of version 7.1 in October 1990. At the same time, the QuickBASIC packaging was silently changed so that the disks used the same compression used for BASIC PDS 7.1. The Basic PDS 7.x version of the IDE was called QuickBASIC Extended (QBX), and it only ran on DOS, unlike the rest of Basic PDS 7.x, which also ran on OS/2. The successor to QuickBASIC and Basic PDS was version 1.0 for MS-DOS, shipped in Standard and Professional versions.
Later versions of Visual Basic did not include DOS versions, as Microsoft concentrated on Windows applications.A subset of QuickBASIC 4.5, named, was included with 5 and later versions, replacing the included with previous versions of MS-DOS. Compared to QuickBASIC, QBasic is limited to an interpreter only, lacks a few functions, can only handle programs of a limited size, and lacks support for separate program modules. Since it lacks a compiler, it cannot be used to produce executable files, although its program source code can still be compiled by a QuickBASIC 4.5, PDS 7.x or VBDOS 1.0 compiler, if available.QuickBASIC 1.00 for the operating system was launched in 1988. It was officially supported on machines running with at least 1 MB of RAM. QuickBASIC could also be run on, as long as 32-bit addressing was disabled; this was not possible on -based Macintosh machines.Syntax example , shortest version. LET BOTTLES = 99: LET BOTTLES$ = '99': LET BOTTLE$ = ' bottles' FOR A = 1 TO 99 PRINT BOTTLES$; BOTTLE$; ' of beer on the wall, '; BOTTLES$; BOTTLE$; ' of beer.' LET BOTTLES = BOTTLES - 1 IF BOTTLES 0 THEN LET BOTTLES$ = LTRIM$ ( STR$ ( BOTTLES )): LET PRONOUN$ = 'one' IF BOTTLES = 0 THEN LET BOTTLES$ = 'no more': LET PRONOUN$ = 'it' IF BOTTLES 1 THEN LET BOTTLE$ = ' bottles' IF BOTTLES = 1 THEN LET BOTTLE$ = ' bottle' PRINT 'Take '; PRONOUN$; ' down and pass it around, '; BOTTLES$; BOTTLE$; ' of beer on the wall.'
PRINT: NEXT A PRINT 'No more bottles of beer on the wall, no more bottles of beer.' PRINT 'Go to the store and buy some more, 99 bottles of beer on the wall.'
Graphics example. REM sample of bubble sort N = 10 DIM A ( N ) AS INTEGER FOR L = 1 TO N A ( L ) = INT ( RND. 10 + 1 ) NEXT FOR X = 1 TO N FOR Y = 1 TO N - 1 IF A ( X ). Early Microsoft documentation rendered the name exclusively as 'QuickBASIC', although later references on Microsoft's Web site also use 'QuickBasic'. QuickBASIC 4.5 was delivered on a set of five 360 kB 5.25' DSDD floppy disks or three 720 kB 3.5' DSDD floppy disks. The three-disk version could also be installed from 1.2 MB 5.25' or 1.44 MB 3.5' DSHD disks. To save costs, the files were compressed and later versions were shipped on just four 5.25' disks or two 3.5' disks.
Archived from on 4 September 2014. Retrieved 2008-12-28. Retrieved 2008-12-28.
Qbasic 4.5 Download For Windows 10 64 Bit
Retrieved 2011-02-06. Retrieved 2008-12-28. Pete's QBASIC/QuickBasic Site. Retrieved 2008-12-28. Pete Trbovich (2007-03-31).
Retrieved 2008-12-28. Kiyote Wolf (2008-05-10). Retrieved 2008-12-28.
For example, FreeBASIC does not yet support QBasic's 'ON PLAY' callback for background music, or the use of to. Mike Chambers (2008-07-12).
Retrieved 2008-12-28. E.K.Virtanen (2008-05-26). Archived from the original on March 6, 2016. Retrieved 2008-07-14. CS1 maint: unfit url External links.