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Which instruction is employed in the implementation of hardware interrupts?

40. Which instruction is employed in the implementation of hardware interrupts?

1. SIM (Set interrupt mask)
2. RIM (Read interrupt mask)
3. EL (Enable interrupt)
4. HLT (Halt and enter wait state)

Answer: A) SIM (Set interrupt mask)

Explanation:

SIM (Set interrupt mask) instruction is employed in the implementation of hardware interrupts (RST 7.5, RST6.5, RST5.5)