assembly

Question\#1 Choose the correct answer for each of the following ( 9 points): 1] Which register value is true after executing the following three instructions? MOV AX, 21 MOV BH, 5 DIV BH a) AL=01 b) AH=04 c) AX=0104H d) AX=0004 2) What would be the content of memory location 103 after defining the following? ORG 100H DATAI DQ 135792468H a) 35H b) 46H c) 92H d) 79H 3) What is the content of the AL register after executing the following? MOV AL, 2AH MOV CL, 3 SHR AL, CI a) 5111 b) 45H c) 50H (d) 05H 4) Tho condition on which the instruction JBE gakes place is: 0500000101010 a) CF=0 and ZF=0 b) CF=1 and ZF=1 c) CF=1 or ZF=0 d) CF=1 or ZF=1 5] Which instruction is used to convert ASCII to unpacked BCD? a) ADD b) AND c) XOR d) CMP 6] Which instruction of the following use Register Addressing Mode? a) MOV AL, 29 b) MOVCX,[SI] c) MOVAX,[200] d) MOV CX,DX 7] Which instruction among the following would not change the content of register AL? (a) AND AL, OFFH b) OR AL, OFFH c) XOR AL, OFFH d) ADDAL,0FFH 8) What would be the value of CF, SF, and PF after executing the following? MOVBH,3Ch ADD BH, 12h a) CF=0,SF=0,PF=0 b) ]CF=0,SF=0,PF=1 c) CF=1,SF=0,PF=1 d) CF=0,SF=1,PF=0 9) Which of the following defines Packed BCD number equals 18 ? a) n1db18 " b) n2 db 18 (c) n3db18h d) n4 dw 0108h