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Which of the following macros can put a micro assembler into an infinite loop? (i) .MACRO M1 X .IF EQ, X ;if X=0 then M1 X + 1 .ENDC .IF NE X ;IF X≠0 then .WORD X ;address (X) is stored here .ENDC .ENDM (ii) .MACRO M2 X .IF EQ X M2 X .ENDC .IF NE, X .WORD X+1 .ENDC .ENDM

Correct Answer: (ii) only

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Theory of Computation and Compiler Design MCQ: Which of the following macros can put a micro assembler into an infinite loop? (i) .MACRO M1 X .IF EQ, X ;if X=0 then M1 X + 1 .ENDC .IF NE X ;IF X≠0 then .WORD X ;address (X) is stored here .ENDC .ENDM (ii) .MACRO M2 X .IF EQ X M2 X .ENDC .IF NE, X .WORD X+1 .ENDC .ENDM | Extra Education