20 Find the machine code for the following instruction: SUM = 3412 H XOR AX, [BX+DI+SUM] * (2 Points) 30813412 H 33803412 H 33811234 H None 12343081 H 32803412 H 21 Which one of the following Opcodes is considered a conditional transfer of control instruction: * (1 Point) LOOP JMP RET LOOP and JC O JC CALL All except CALL 22 What will be the value of SP after executing 22 What will be the value of SP after executing the three instructions bellow (initially SP=D04DH) POP AX POP BX POP DX RET 4* (1 Point) D053H D057H DO4FH None DO5DH D043H 23 What is the value of AX and ES after