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3. Add B36EH with 264DH. Specify Flag status. SF=? ZF=? AF=? PF=? CF =?

3. Add B36EH with 264DH. Specify Flag status. SF=? ZF=? AF=? PF=? CF =?

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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**3. Add B36EH with 264DH. Specify Flag status. SF=? ZF=? AF=? PF=? CF=?** This exercise involves adding two hexadecimal numbers, B36E (B36EH) and 264D (264DH), and determining the status of several flags that are critical in understanding the outcome in binary arithmetic operations. These flags include the Sign Flag (SF), Zero Flag (ZF), Auxiliary Carry Flag (AF), Parity Flag (PF), and Carry Flag (CF). To solve this, we perform the following steps: 1. **Hexadecimal Addition:** - Add B36E and 264D. 2. **Determine Flag Statuses:** - **Sign Flag (SF):** Indicates the sign of the result (0 for positive, 1 for negative in signed arithmetic). - **Zero Flag (ZF):** Set if the result is zero. - **Auxiliary Carry Flag (AF):** Set if there is a carry from the lower nibble (4 bits). - **Parity Flag (PF):** Set if the number of set bits (1s) in the result is even. - **Carry Flag (CF):** Set if there is a carry out of the most significant bit (MSB). **Detailed Explanation of Hexadecimal Addition:** 1. **Convert Hex to Binary and Add:** - Convert B36E and 264D to binary. - Perform binary addition. 2. **Binary Addition:** - Add the binary equivalents of B36E and 264D. 3. **Convert the Result to Hex:** - Convert the binary addition result back to hex. 4. **Evaluate Flags:** - Assess each flag based on the binary and hex results. The output from this exercise will help understand the mechanism of how flags are set or cleared based on the results of arithmetic operations in a computing context.
Transcribed Image Text:**3. Add B36EH with 264DH. Specify Flag status. SF=? ZF=? AF=? PF=? CF=?** This exercise involves adding two hexadecimal numbers, B36E (B36EH) and 264D (264DH), and determining the status of several flags that are critical in understanding the outcome in binary arithmetic operations. These flags include the Sign Flag (SF), Zero Flag (ZF), Auxiliary Carry Flag (AF), Parity Flag (PF), and Carry Flag (CF). To solve this, we perform the following steps: 1. **Hexadecimal Addition:** - Add B36E and 264D. 2. **Determine Flag Statuses:** - **Sign Flag (SF):** Indicates the sign of the result (0 for positive, 1 for negative in signed arithmetic). - **Zero Flag (ZF):** Set if the result is zero. - **Auxiliary Carry Flag (AF):** Set if there is a carry from the lower nibble (4 bits). - **Parity Flag (PF):** Set if the number of set bits (1s) in the result is even. - **Carry Flag (CF):** Set if there is a carry out of the most significant bit (MSB). **Detailed Explanation of Hexadecimal Addition:** 1. **Convert Hex to Binary and Add:** - Convert B36E and 264D to binary. - Perform binary addition. 2. **Binary Addition:** - Add the binary equivalents of B36E and 264D. 3. **Convert the Result to Hex:** - Convert the binary addition result back to hex. 4. **Evaluate Flags:** - Assess each flag based on the binary and hex results. The output from this exercise will help understand the mechanism of how flags are set or cleared based on the results of arithmetic operations in a computing context.
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