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Use of IBM COBOL was so widespread that Capex Corporation, an independent software vendor, made a post-code generation phase object code optimizer for it. [3] The Capex Optimizer became a quite successful product. [4] Although the IBM COBOL Compiler Family web site [5] only mentions AIX, Linux, and z/OS, IBM still offers COBOL on z/VM and z/VSE.
Three internal expansion slots could be used for add-on cards such as additional serial ports and a video board that allowed bitmap graphics. The floppy drive included with the Model II was a Shugart SA-800 full-height, single-sided 8" drive; like most such drives, it spun continuously whether the disk was being accessed or not and the spindle ...
COBOL (/ ˈ k oʊ b ɒ l,-b ɔː l /; an acronym for "common business-oriented language") is a compiled English-like computer programming language designed for business use. It is an imperative, procedural, and, since 2002, object-oriented language.
Various serial peripherals were attached: Printronix bar-coding printers, MICR Readers, IBM ASCII Terminals. Parallel devices were also used for phototypesetting machines, plate makers and Teletype BRPE punch creating Punched tape; all connecting to the IBM integrated DI/DO digital in/out card. The Series/1 was a good work horse for its day and ...
A single program deck, with individual subroutines marked. The markings show the effects of editing, as cards are replaced or reordered. Many early programming languages, including FORTRAN, COBOL and the various IBM assembler languages, used only the first 72 columns of a card – a tradition that traces back to the IBM 711 card reader used on the IBM 704/709/7090/7094 series (especially the ...
BLIS/COBOL is a discontinued operating system that was written in COBOL. It is the only such system to gain reasonably wide acceptance. [citation needed] It was optimised to compile business applications written in COBOL. BLIS was available on a range of Data General Nova and Data General Eclipse 16-bit minicomputers
The 18-bit Base Address Register (BAR) contains the base address and number of 1024-word blocks assigned to the program (the 6180 used segmentation rather than the BAR). The system also includes several special-purpose registers: an 18-bit Instruction Counter (IC) and a 27-bit Timer Register (TR) with a resolution of 2 μs. Sets of special ...
Free and open-source software portal; GnuCOBOL (formerly known as OpenCOBOL, and briefly as GNU Cobol) is a free implementation of the COBOL programming language that is part of the GNU project. GnuCOBOL translates the COBOL code into C and then compiles it using the native C compiler. [2]