What is the correct answer

QUESTION 17 Understand the program and answer: SMALL 200h .MODEL STACK .CODE MAIN PROC cx, 80 mov mov ah, 2 mov TOP: int 21h loop TOP movah,4ch int MAIN ENDP END MAIN In the above given program the loop with be iterated to 21h 0-79 1-80 both a and b are correct Only dl counter is valid