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C – an undefined value always syntactically valid, EMPTY – the only value admissible to VOID, needed for selecting VOID in a UNION, VOID – syntactically like a MODE, but not one, NIL or " " – a name not denoting anything, of an unspecified reference mode, () or specifically [1:0]INT – a vacuum is an empty array (here specifically of ...
Dynamic loading is a mechanism by which a computer program can, at run time, load a library (or other binary) into memory, retrieve the addresses of functions and variables contained in the library, execute those functions or access those variables, and unload the library from memory.
A merge module cannot be installed alone, but must be merged into a standard Windows Installer installation during the creation of the installation. Typically, a merge module or a collection of merge modules related by dependencies, installs a software product or portion of a product at runtime. The purpose of merge modules is to let you add ...
The term assembly (as in .NET languages like C#, F# or Visual Basic .NET) or package (as in Dart, Go or Java) is sometimes used instead of module.In other implementations, these are distinct concepts; in Python a package is a collection of modules, while in Java 9 the introduction of the new module concept (a collection of packages with enhanced access control) was implemented.
JTAG (named after the Joint Test Action Group which codified it) is an industry standard for verifying designs of and testing printed circuit boards after manufacture.. JTAG implements standards for on-chip instrumentation in electronic design automation (EDA) as a complementary tool to digital simulation. [1]
Basic Mapping Support defines the screen format through assembler macros such as the following. This was assembled to generate both the physical map set – a load module in a CICS load library – and a symbolic map set – a structure definition or DSECT in PL/I, COBOL, assembler, etc. which was copied into the source program. [39]
The Burroughs Large Systems Group produced a family of large 48-bit mainframes using stack machine instruction sets with dense syllables. [NB 1] The first machine in the family was the B5000 in 1961, which was optimized for compiling ALGOL 60 programs extremely well, using single-pass compilers.
Programming techniques, such as overlaying a block of stored instructions or data with another as needed, can conceal paging issues from the application programmer. For example, the Modula-2 compiler produces code under which the run-time system swaps 8 Kb pages into memory as individual procedures receive control.