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Exam 7: Integer Arithmetic Assessment

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Question 1

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The binary value of AL after the following instructions have executed is 11111101. mov al,11000101b sar al,4

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B) False

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Question 2

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RDX will equal 1 after the following instructions have executed. mov rax,0FFFF0000FFFF0000h mov rbx,2 mul rbx

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B) False

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The hexadecimal values of DX and AX after the following instructions have executed are DX=0005 and AX=0000. mov dx,5000h mov ax,20h mul dx

The destination operand of the IMUL instruction may be a memory operand.

The binary value of AL after the following instructions have executed is 00001101. mov al,01101011b shr al,2

The binary value of AL after the following instructions have executed is 11101101. mov al,01101011b rol al,2

The MUL instruction sets the Carry flag if the upper half of the product is not equal to zero.

The SAR and SHR instructions perform the same operation.

The binary value of AL after the following instructions have executed is 11100010. mov al,11000101b sar al,1

The MUL instruction sets the Overflow flag if the upper half of the product is not equal to zero.

When the MUL BX instruction executes,the 32-bit product ends into the EAX register.

When the MUL BL instruction executes,the upper half of the product ends up in the AH register.

The ROR instruction is only suitable for signed integers.

The SAR instruction is suitable for signed integers.

The DIV instruction generates a divide overflow condition when the remainder is too large to fit into the destination operand.