Question

Which of the following will display a string whose address is in the dx register: a.

mov ah, 9h
int 21h

b.
mov ah, 9h
int 22h

c.
mov ah, 0h
int 21h

d.
None of these

e.
mov ah, 2h
int 20h​

Answer 1

a)

Step-by-step explanation:

Function 9 of interrupt 21h is display string.