Spooling
In Data-processing, the spooling is a Anglicisme Acronyme of simultaneous peripheral on-line operations is simultaneous peripheral operations in line . This returns the setting of tasks (or jobs) in a Buffer (or Buffer memory), a special zone of the memory or a disc where the peripheral will be able to reach when it is ready. The spooling is useful because the peripherals reach the data with different flows and rather low to be potentials bottlenecks. The buffer memory is thus a zone of transit where the data can remain while waiting for that they are transferred by the peripheral according to its availability and its swiftness.
The most current application of the spooling is the spooling of impression. In this spooling, the documents are charged in a plug report (often a space on the disc, seldom a zone of random access memory), and the printer then aspires them at its own speed. As the documents are in this plug at the time of the access, the Ordinateur can carry out other tasks time that the impression is done in background. The spooling also makes it possible to place several impressions in queue instead of awaiting the end of each one to launch the following one.
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