Interrupt

Question 1
An interrupt in which the external device supplies its address as well as the interrupt requests is known as
A
vectored interrupt
B
maskable interrupt
C
non-maskable interrupt
D
designated interrupt
       Computer-Organization       Interrupt       ISRO CS 2008
Question 1 Explanation: 

→ A vectored interrupt is a processing technique in which the interrupting device directs the processor to the appropriate interrupt service routine.

→ A non-maskable interrupt (NMI) is a hardware interrupt that standard interrupt-masking techniques in the system cannot ignore. It typically occurs to signal attention for non-recoverable hardware errors.

→ Maskable Interrupts - Those interrupts whose request can be denied by microprocessor. eg- RST 1, RST2, RST 5, RST 6.5 etc.
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