Multiple choice

Which of these is an interrupt that may be ignored by setting a bit in an interrupt mask register's bit-mask?

  1. Inter-processor interrupt (IPI)

  2. Software interrupt

  3. Spurious interrupt

  4. Non-maskable interrupt (NMI)

  5. Maskable interrupt (IRQ)

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Maskable interrupt (IRQ) is a hardware interrupt that may be ignored by setting a bit in an interrupt mask register's (IMR) bit-mask.