1.MACRO M1, XIF EQ, X if X = 0 then....M1 X + 1ENDCIF NE, X : IF X ≠0 then......WORD X : address (X) is stored hereENDCENDM
2.MACRO M2, XIF EQ, XM2 XENDCIF NE, XWORD X + 1ENDCENDM
3. both (a) and (b)
4.none of these
Answer:2