In the previous chapter, we discussed the hardware structure of 8086 and a few ICs which have
to be used along with it. Now we will delve a bit deeper – the focus of this chapter will be on the
way memory and I/O are connected to the processor.
Let us start with memory. Whenever we talked about reading or writing from memory, an
address was referred to. Assuming that memory is byte organized, it is thought that every loca-
tion in memory which can store a byte of data, has a unique address. e total address space of
8086 is from 00000 to FFFFFH. How is it that each location gets an unique address?
Another issue is that the total address ...
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