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for each type of interrupt (or for each interrupt source), often implemented as one or more interrupt vector tables.

Masking

To mask an interrupt is to disable it, so it is deferred or ignored by the processor, while to unmask an interrupt is to enable it.

Processors typically have an internal interrupt mask register, which allows selective enabling (and disabling) of hardware interrupts. Each interrupt signal is associated with a bit in the mask register. On some systems,

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