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The contents of the registers DX, AX and the Carry flag after the execution of the following…

The result is DX = 0048H, AX = 2300H and CF = 1. Word multiplication produces the double-width product in DX:AX, and \(4823_{\mathrm H}\times0100_{\mathrm H}\)…

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The contents of the registers DX, AX and the Carry flag after the execution of the following instructions are

MOV AX, 4823H
MOV BX, 100H
MUL BX
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Answer and explanation

Correct answer A

The result is DX = 0048H, AX = 2300H and CF = 1. Word multiplication produces the double-width product in DX:AX, and 4823H×0100H4823_{\mathrm H}\times0100_{\mathrm H} =00482300H=00482300_{\mathrm H}. Its upper word is nonzero, so the carry flag is set.

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  • Karnataka SET (KSET)

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