8086 microprocessors physical address formula is: physical address = segment register value * 16 + pointer register value It is clear to me that 16 bit is a microprocessor register size. Why do we multiply by 16? - Quora
In an 8086 microprocessor 4 segment registers are used having maximum size 64 KB each, but the memory size is 1 MB. How is the remaining memory used? - Quora
![8086 Addressing Modes and Physical Address Calculation : Examples / Solved Problems and Solutions - YouTube 8086 Addressing Modes and Physical Address Calculation : Examples / Solved Problems and Solutions - YouTube](https://i.ytimg.com/vi/mNG0QqlNm3c/maxresdefault.jpg)