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Which instruction is used to read the state of interrupts 7.5, 6.5, and 5.5, as well as read the serial data input bit?

41. Which instruction is used to read the state of interrupts 7.5, 6.5, and 5.5, as well as read the serial data input bit?

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

Answer: B) RIM (Read interrupt mask)

Explanation:

RIM (Read interrupt mask) instruction is used to read the state of interrupts 7.5, 6.5, and 5.5, as well as read the serial data input bit.