Question

Which of the following describes the correct format of an input instruction?

(a) IN 82

(b) INPUT 82

(c) INP 82

(d) 82 INP

Answer 1

Right choice is (a) IN 82

Best explanation: The input/output instructions are used to transfer information between external peripherals and the CPU. The correct format of an input instruction is: IN 8-bit port address.

Here, IN 82 is the correct option, where 82 is the designated port address.  All the other options are invalid.