Definition

vectored interrupt

Part of the Computing fundamentals glossary:

In a computer, a vectored interrupt is an I/O interrupt that tells the part of the computer that handles I/O interrupts at the hardware level that a request for attention from an I/O device has been received and and also identifies the device that sent the request.

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A vectored interrupt is an alternative to a polled interrupt , which requires that the interrupt handler poll or send a signal to each device in turn in order to find out which one sent the interrupt request.

This was last updated in September 2005
Contributor(s): Roy
Posted by: Margaret Rouse

Related Terms

Definitions

  • polled interrupt

    - In a computer, a polled interrupt is a specific type of I/O interrupt that notifies the part of the computer containing the I/O interface that a device is ready to be read or otherwise handled but ... (WhatIs.com)

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