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t2f05 - Fall 2005 Test 2 No calculator or electronic...

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Page 1 Fall 2005 – Test 2 - No calculator or electronic equipment allowed. 01. What is the hex value in ax after executing all these instructions? mov ax,0104h mul ah mul al A. 0000 B. 0010 C. 0004 D.0040 E. none of the previous 02. What is the hex value in ax after executing all these instructions? mov ax,0002h mov cx,ax neg cx imul cx 03. What is the hex value in ax after executing all these instructions? mov ax,0FFFDh mov cx,00FEh idiv cl imul ah 04. What is the hex value in ax after executing all these instructions? mov ax,0101h mov bx,0002h mul bl div bl
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Page 2 05. Given these hex values: ax=000B bx=0005 cx=0002 dx=0000 What are the hex values in ax and dx after executing these instructions? div bx mul cx A. ax=0004 B. ax=0204 C. ax=0002 D. ax=0004 dx=0002 dx=0000 dx=0001 dx=0000 E. none of the above 06. Given these hex values: ax=0002 bx=0002 cx=FFFF dx=0000 What are the hex values in ax and dx after executing these instructions? imul cx idiv bx dx=0000 dx=FFFF dx=0000 dx=FFFF
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