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IBM System/360 Operating System Multiprogramming with a Fixed Number of Tasks (MFT) is an example of static partitioning, and Multiprogramming with a Variable Number of Tasks (MVT) is an example of dynamic. MVT and successors use the term region to distinguish dynamic partitions from static ones in other systems. [2]
OS/360 MFT (Multiprogramming with a Fixed number of Tasks) [1] provides multiprogramming: several memory partitions, each of a fixed size, are set up when the operating system is installed and when the operator redefines them. For example, there could be a small partition, two medium partitions, and a large partition.
Horizontal partitioning splits one or more tables by row, usually within a single instance of a schema and a database server. It may offer an advantage by reducing index size (and thus search effort) provided that there is some obvious, robust, implicit way to identify in which partition a particular row will be found, without first needing to search the index, e.g., the classic example of the ...
In MUMPS terms, "Color" is the 2nd subscript of the variable ^Car (both the names of the child-nodes and the child-nodes themselves are likewise called subscripts). Hierarchical variables are similar to objects with properties in many object-oriented languages. Additionally, the MUMPS language design requires that all subscripts of variables ...
PCP was a stop-gap version that could run only one program at a time, but MFT ("Multiprogramming with a Fixed number of Tasks") and MVT ("Multiprogramming with a Variable number of Tasks") were used until at least the late 1970s, a good five years after their successors had been launched. [38]
Pages in category "Articles with example SQL code" The following 28 pages are in this category, out of 28 total. This list may not reflect recent changes. A.
Diagram of a symmetric multiprocessing system. Symmetric multiprocessing or shared-memory multiprocessing [1] (SMP) involves a multiprocessor computer hardware and software architecture where two or more identical processors are connected to a single, shared main memory, have full access to all input and output devices, and are controlled by a single operating system instance that treats all ...
Multiprogramming was an optional feature of DOS/360, selectable at system generation. [ 23 ] : p.34 A later SYSGEN option allowed batch operation run in either FG partition. Otherwise foreground programs had to be manually started by the computer operator .