QUESTION $2[25$ Marks$]$

a$)$ Discuss about the memory segmentation in $8086$ microprocessor.

$[10$ Marks$]$

b$)$ A $8086$ executes the following instructions:$-$

MOV AX$,1234H$

MOV BX$,$ F$454$ H

PUSH AX

PUSH BX

POP F

Analyze the contents of the stack, stack pointer, physical address and flags using appropriate diagram while the microprocessor executes the instructions. The initial value of $SP=100H$ and $SS=$ FFFE $H$

$[15$ Marks$]$