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2. Study this program then answer the questions that follow: MOV DX , 1234 H MOV BX, 3099 H MOV AL, BL ADD AL , DL DAA MOV CL , AL MOV AL , BH ADC AL , DH DAA MOV CH ,AL HLT • What the operation is performed by this program ? • What is the result produced by Execute each instruction ? • Why we use the ADC instruction ? • Why we split the contents in BX to (BH & BL) and in DX to (DH & DL ) before added, can add these numbers directly ?

2. Study this program then answer the questions that follow: MOV DX , 1234 H MOV BX, 3099 H MOV AL, BL ADD AL , DL DAA MOV CL , AL MOV AL , BH ADC AL , DH DAA MOV CH ,AL HLT • What the operation is performed by this program ? • What is the result produced by Execute each instruction ? • Why we use the ADC instruction ? • Why we split the contents in BX to (BH & BL) and in DX to (DH & DL ) before added, can add these numbers directly ?

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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2. Study this program then answer the questions that follow: MOV DX , 1234 H MOV BX, 3099 H MOV AL,! BL ADD AL , DL DAA MOV CL , AL MOV AL , BH ADC AL , DH DAA MOV CH ,AL HLT What the operation is performed by this program ? What is the result produced by Execute each instruction ? • Why we use the ADC instruction ? • Why we split the contents in BX to (BH & BL) and in DX to (DH & DL ) before added, can add these numbers directly ?
Transcribed Image Text:2. Study this program then answer the questions that follow: MOV DX , 1234 H MOV BX, 3099 H MOV AL,! BL ADD AL , DL DAA MOV CL , AL MOV AL , BH ADC AL , DH DAA MOV CH ,AL HLT What the operation is performed by this program ? What is the result produced by Execute each instruction ? • Why we use the ADC instruction ? • Why we split the contents in BX to (BH & BL) and in DX to (DH & DL ) before added, can add these numbers directly ?
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