Which instruction is utilized for reading interrupt status along with serial input data bit?

Which instruction is utilized for reading interrupt status along with serial input data bit?

a. RIM
b. RPO
c. RNZ
d. All of the above

Correct Answer : a. RIM

Explanation :

RPO & RNZ belongs to the transfer of program sequence while RIM indicates interrupt status reading (7.5 , 6.5 & 5.5 types) & storage of 8-bit in the accumulator.