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Asynchronous I/O (Paperback) Loot Price: R743
Discovery Miles 7 430
Asynchronous I/O (Paperback): Frederic P. Miller, Agnes F. Vandome, John McBrewster

Asynchronous I/O (Paperback)

Frederic P. Miller, Agnes F. Vandome, John McBrewster

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Loot Price R743 Discovery Miles 7 430 | Repayment Terms: R69 pm x 12*

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Asynchronous I/O, or non-blocking I/O, is a form of input/output processing that permits other processing to continue before the transmission has finished. Input and output operations on a computer can be extremely slow compared to the processing of data. An I/O device can incorporate mechanical devices which must physically move, such as a hard drive seeking a track to read or write; this is extremely slow compared to merely moving electrons. For example, during a disk operation that takes ten milliseconds to perform, a processor that is clocked at one gigahertz could have performed ten million instruction-processing cycles. A simple approach to I/O would be to start the access and then wait for it to complete. But such an approach would block the progress of a program while the communications is in progress, leaving system resources idle. When a program makes many I/O operations, this means that the processor can spend almost all of its time idle waiting for I/O operations to complete.


Imprint: Alphascript Publishing
Country of origin: United States
Release date: July 2010
First published: July 2010
Editors: Frederic P. Miller • Agnes F. Vandome • John McBrewster
Dimensions: 152 x 229 x 7mm (L x W x T)
Format: Paperback - Trade
Pages: 112
ISBN-13: 978-6130282790
Categories: Books > Computing & IT > General theory of computing
Books > Computing & IT > General theory of computing > General
LSN: 6130282796
Barcode: 9786130282790

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