In 8086 microprocessor which is a maskable interrupt?

NMI

INTR

TRAP

None of the above

In computing, a non-maskable interrupt is a hardware interrupt that standard interrupt-masking techniques in the system cannot ignore.
The 8086 has two hardware interrupt pins, i.e. NMI and INTR. NMI is a non-maskable interrupt and INTR is a maskable interrupt having lower priority. One more interrupt pin associated is INTA called interrupt acknowledge.

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