The action performed by the following instruction of 8086.
MOV [1234H], AX

A. Move contents of memory location 1234 H to register AX

B. Move the contents of register AX to memory offset 1234 H

C. Add contents at 1234H to register AX

D. Add contents at 1234 H and AX and store the result in 1234 H

Answer: Option B