Explain physical memory organization in an 8086 system
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The 8086 architecture uses the concept of segmented memory. 8086 able to address to address a memory capacity of 1 megabyte and it is byte organized. This 1 megabyte memory is divided into 16 logical segments. Each segment contains 64 kbytes of memory.
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Code segment register (CS):is used for addressing memory location in the code segment of the memory, where the executable program is stored.
Data segment register (DS):points to the data segment of the memory where the data is stored.
Extra Segment Register (ES): also refers to a segment in the memory which is another data segment in the memory.
Stack Segment Register (SS): is used for addressing stack segment of the memory.
Data segment register (DS):points to the data segment of the memory where the data is stored.
Extra Segment Register (ES): also refers to a segment in the memory which is another data segment in the memory.
Stack Segment Register (SS): is used for addressing stack segment of the memory.
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