Meaning of INTERRUPT
| Pronunciation: | | `intu'rupt
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| Matching Terms: | | interrupt handler, interrupt list, interrupt priority level, interrupt request, interrupted, interrupted fern, interrupted stream, Interruptedly, Interrupter, interruption, Interruptive, interrupts
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 Computing Dictionary |
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| | Definition: | | 1. An asynchronous event that suspends normal processing and temporarily diverts the flow of control through an "interrupt handler" routine. Interrupts may be caused by both hardware (I/O, timer, machine check) and software (supervisor, system call or trap instruction). In general the computer responds to an interrupt by storing the information about the current state of the running program; storing information to identify the source of the interrupt; and invoking a first-level interrupt handler. This is usually a kernel level privileged process that can discover the precise cause of the interrupt (e.g. if several devices share one interrupt) and what must be done to keep operating system tables (such as the process table) updated. This first-level handler may then call another handler, e.g. one associated with the particular device which generated the interrupt. 2. Under MS-DOS, nearly synonymous with "system call" because the OS and BIOS routines are both called using the INT instruction (see interrupt list) and because programmers so often have to bypass the operating system (going directly to a BIOS interrupt) to get reasonable performance. [Jargon File] |
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| | Related Terms: | | arrest, barge in, blow it, bottle up, break, break in, break in on, break off, butt in, cease, check, chime in, chip in, countercheck, curb, cut in, cut off, cut short, dam up, damp, dampen, defer, delay, detain, disarrange, discontinue, disjoin, disrupt, disturb, end, go off half-cocked, halt, hinder, hold back, hold in check, hold up, horn in, impede, inhibit, intercept, interfere, interfere with, intermeddle, intermit, intervene, intrude, keep back, keep in check, meddle, oppose, postpone, punctuate, put in, repress, resist, restrain, retard, scotch, set back, slacken, snap the thread, snub, speak inopportunely, speak too late, stall, stay, stop, suppress, suspend, take a break, terminate |
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