explain the effect of the following

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Q1: If DX contains 81FEH and CX contains 1986H, explain the effect of the following
instructions on the flag registers. Suppose that the flags are initially 0 in each statement of
this question.
i.SUB DX, CX
ii.XCHG DX, CX
Transcribed Image Text:Q1: If DX contains 81FEH and CX contains 1986H, explain the effect of the following instructions on the flag registers. Suppose that the flags are initially 0 in each statement of this question. i.SUB DX, CX ii.XCHG DX, CX
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