Question
What is a flag register in the 8086 microprocessor? Explain any four flags and their use. What is the need for a segment register in the 8086 microprocessor? Compute the physical address for the following {Segment Register: Offset} pairs in an 8086 microprocessor:
(i) CS: IP ABCD:AAFFh
(ii) DS:BX1FBH:99FFh
(iii) SS: SP EFFF:00ABh
Answer :
Word Count : 247
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Skip in 10
In 8086 microprocessor, flag register is a 16-bit register used to indicate the status of arithmetic and logical operations performed by the ALU. Each flag represents a specific condition of the result. Some important flags include the Carry Flag (CF), which is set when an arithmetic operation produces a carry out or borrow into the most significant
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