About: Interrupt request (PC architecture)

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In a computer, an interrupt request (or IRQ) is a hardware signal sent to the processor that temporarily stops a running program and allows a special program, an interrupt handler, to run instead. Hardware interrupts are used to handle events such as receiving data from a modem or network card, key presses, or mouse movements. During the early years of personal computing, IRQ management was often of user concern. With the introduction of plug and play devices this has been alleviated through automatic configuration.

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rdf:type	broadcaster yago:WikicatMicroprocessors yago:Artifact100021939 yago:Chip103020034 yago:Conductor103088707 yago:Device103183080 yago:Electricity111450566 yago:Energy111452218 yago:Instrumentality103575240 yago:Interrupt111447532 yago:Microprocessor103760310 yago:NaturalPhenomenon111408559 yago:Object100002684 yago:Phenomenon100034213 yago:PhysicalEntity100001930 yago:PhysicalPhenomenon111419404 yago:Process100029677 yago:WikicatInterrupts yago:SemiconductorDevice104171831 yago:Signal111447319 yago:Whole100003553
rdfs:label	IRQ (cs) Unterbrechungsanforderung (de) Αίτηση διακοπής (el) Interrupt request (in) Interruption matérielle (fr) Interrupt request (PC architecture) (en) Interrupt request (it) 인터럽트 요청 (ko) Pedido de interrupção (pt) Interrupt request (sv)
rdfs:comment	Une interruption matérielle (en anglais Interrupt ReQuest ou IRQ) est une interruption déclenchée par un périphérique d'entrée-sortie d'un microprocesseur ou d'un microcontrôleur. Les interruptions matérielles sont utilisées en informatique lorsqu’il est nécessaire de réagir en temps réel à un événement asynchrone, ou bien, de manière plus générale, afin d’économiser le temps d’exécution lié à une boucle de consultation (polling loop). L’autre sorte d’interruption est l’interruption logicielle (software interrupt ou soft IRQ en anglais), généralement déclenchée par une instruction spéciale du processeur. Les deux sortes d’interruptions déclenchent un basculement de contexte vers le gestionnaire d’interruption associé. (fr) 컴퓨팅에서 인터럽트 요청, 곧 IRQ(Interrupt ReQuest)는 인터럽트 신호를 처리하는 데에 쓰이는 컴퓨터 버스 라인의 인터럽트 행위, 또는 프로그래머블 인터럽트 컨트롤러의 인터럽트 입력 라인을 가리킨다. (ko) Interrupt request, abbreviato in IRQ, è un sistema utilizzato dai componenti hardware per segnalare eventi alla CPU. (it) IRQ je zkratka z anglického Interrupt ReQuest. Označuje signál, kterým požádá zařízení procesor o pozornost, tedy požádá o přerušení probíhajícího procesu za účelem provedení důležitější akce. IRQ se provádí následovně: Zařízení sdělí řadiči přerušení, že potřebuje provést přerušení. Řadič přerušení poté upozorní CPU, že jsou čekající přerušení. Když se CPU dostane do stavu kdy je ochotné přerušení přijmout, přeruší probíhající výpočet, zeptá se řadiče na nejdůležitější nezamaskované čekající přerušení a spustí jeho obsluhu. Ta typicky odloží právě probíhající proces, provede základní obsluhu zařízení, informuje řadič přerušení o dokončení obsluhy přerušení, obnoví stav procesu a pokračuje dále. (cs) Η έκφραση αίτηση διακοπής (αγγλικά «interrupt request», συντομογραφικά IRQ) προέρχεται από τον κόσμο των υπολογιστών και δηλώνει είτε την πράξη της διακοπής των γραμμών για τη σήμανση μιας διακοπής είτε τις ίδιες τις γραμμές εισόδου διακοπών ενός προγραμματιζόμενου ελεγκτή διακοπών (PIC, δηλαδή «programmable interrupt controller»). (el) In a computer, an interrupt request (or IRQ) is a hardware signal sent to the processor that temporarily stops a running program and allows a special program, an interrupt handler, to run instead. Hardware interrupts are used to handle events such as receiving data from a modem or network card, key presses, or mouse movements. During the early years of personal computing, IRQ management was often of user concern. With the introduction of plug and play devices this has been alleviated through automatic configuration. (en) IRQ (Interrupt ReQuest), adalah sekelompok interupsi (umumnya mulai dari interrupt 20h hingga 2Fh) yang khusus berasal dari perangkat keras (hardware) komputer seperti , , VGA dan lain-lain. Sebetulnya, urutan kedatangan data yang diterima oleh perangkat keras adalah acak.Oleh karena itu, prinsip yang digunakan adalah dengan melakukan interupsi. Jadi, ketika perangkat keras komputer sudah merasa perlu untuk mengirimkan data didapatkan, perangkat keras tersebut akan mengirimkan sinyal IRQ ke mikroprosesor dengan bantuan Interrupt Controller. * l * * s (in) Em um computador, um pedido de interrupção, do inglês interrupt request (IRQ), é um sinal de hardware enviado ao processador que temporariamente pausa um programa em execução e permite que um programa especial, um , seja executado. Interrupções de hardware são usadas para manipular eventos como recebimento de dados de um modem ou placa de rede, pressionamentos de tecla ou movimentos de mouse. (pt) Interrupt Request (IRQ) är den signal som skickas för att initiera ett avbrott i mikroprocessorer, och därigenom kunna avbryta en pågående bearbetning. Hos en PC är avbrotten numrerade och olika enheter knyts vanligen till olika avbrottsnummer. Tabellen nedan visar några vanliga hårdvaruavbrott och de enheter som de brukar vara knutna till. Flera av avbrottsnumren kan användas till olika saker, medan andra är reserverade för speciella uppgifter, exempelvis systemklockan. Avbrottsnummer Traditionell användning En lösning för pc-systemen är USB-bussen. (sv)
dcterms:subject	Interrupts
Wikipage page ID	2532446 (xsd:integer)
Wikipage revision ID	1097446671 (xsd:integer)
Link from a Wikipage to another Wikipage	Programmable Interrupt Controller Programmable interrupt controller Modem Device Manager Input/output base address Intel 8259 Inter-processor interrupt Interrupt handler Personal computer Parallel ATA Computer Computer keyboard Computer mouse Computer system Co-processor Linux Plug and play Polling (computer science) Programmable interval timer System Information (Windows) Advanced Configuration and Power Interface PCI Express PS/2 port Parallel port Real-time clock Hard disk drive Addison-Wesley Publishing Company Interrupt Advanced Programmable Interrupt Controller Interrupts BIOS COM (hardware interface) Sound card Industry Standard Architecture Microsoft Windows Operating system X86 MPU-401 Message Signaled Interrupts Serial port Expansion card Interrupt request Universal Synchronous/Asynchronous Receiver/Transmitter PCI bus IOAPIC Floating point unit Floppy disk controller Printer port ISA bus CD drive Network card
Link from a Wikipage to an external page	https://www.cs.cmu.edu/~ralf/files.html https://archive.org/details/ISA_System_Architecture https://books.google.com/books%3Fid=-pz8rvnhFDkC&printsec=frontcover https://www.intel.com/content/www/us/en/architecture-and-technology/64-ia-32-architectures-software-developer-vol-3a-part-1-manual.html
sameAs	Interrupt request (PC architecture) Interrupt request (PC architecture)

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