Assume that the contents of the memory location at address DS,0400 is 34 12 CD EF, and the contents of registers before the execution of the instructions are given as follows. Show the contents of the register(s) after the execution of each instruction. Contents of Registers SUB AX, CX AX B0B0 CX: 0400 AX: CX: AX: BOB0 CX: 0400 AX: CX: SUB AX, [CX]