Answers: Boolean and Comparison Instructions

AND and OR Instructions

1. Method one: Clear all nonessential bits and compare the remaining ones with the mask value:

    and  AL,00000111b
    cmp  AL,00000111b
    je   Target

   Method two: Use the boolean rule that a^b^c == ~(~a v ~b v ~c)

    not  AL
    test AL,00000111b
    jz   Target

2. 
	test AL,00000111b
    jnz  Target

3.

    and  BL,10001111b

4.

   or  CL,00011000b