12. If AL contains +127 and you add 3 to AL, the Overflow flag will be set. A) True B) False 13. Suppose BX and DX both contain positive integers. If adding them produces a negative result, the Overflow flag will be set. A) True B) False 14. The MOV instruction requires both operands t be the same size A) True B) False 15. The following are both valid data definition statements Listl BYTE 10,20 BYTE 30,40 A) True B) False 16. The following sequence of statements is invalid: .code mov eax, edx data myByte BYTE 10 code mov al, myByte A) True B) False 17. The SDWORD directive is used when defining unsigned 32-bit integers. A) True B) False 18. A quadword is 4 bytes. A) True B) False 19. The following is a valid data definition statement: varx BYTE BC1h, 256. A) True B) False 20. The following C++ expression cannot be written in assembly language code. X = (Y + 4) * 3; A) True B) False